Complete Records - I-Type Submarines: Part 2

[ijnfleetadmiral]

Here's what I have for them...TIA to anyone who can fill in any blanks!

I-9
Commanding Officers
(CEO) - CDR OYAMA Toyojiro (47) - 20 December 1940 - 13 February 1941
CDR OYAMA Toyojiro (47) - 13 February 1941 - 31 July 1941
CDR / CAPT / RADM* FUJII Akiyoshi (49) - 31 July 1941 - 13 June 1943 (KIA)

Torpedo Officers
(EO) - LT NORITA Sadatoshi (57) - ??? - 13 February 1941
LT / LCDR NORITA Sadatoshi (57) - 13 February 1941 - 15 January 1942
LT NAKAMURA Naozo (62) - 15 January 1942 - 30 September 1942
LT / LCDR* SHINODA Uheita (65) - 30 September 1942 - 13 June 1943 (KIA)

Navigators
??? - 13 February 1941 - 15 January 1942
LTJG KONDO Nobuharu (??) - 15 January 1942 - 27 July 1942
LT SHIIZUKA Mitsuo (66) - 27 July 1942 - 25 January 1943
LTJG / LT* MATSUDA Tatsuo (68) - 25 January 1943 - 13 June 1943 (KIA)

Chief Engineers
??? - 13 February 1941 - 10 May 1941
(E) LCDR SUZUKI Kiyoshishin (Eng. 37) - 10 May 1941 - 15 July 1942
(E) LT WATANABE Sadamu (??) - 15 July 1942 - ???
??? - ??? - 13 June 1943

Communications Officers
(EO) - LTJG SEKIYA Toshio (65) - 15 January 1941 - 13 February 1941
LTJG SEKIYA Toshio (65) - 13 February 1941 - 1 September 1941
LTJG / LT TOKUGAWA Hiromi (65) - 1 September 1941 - 5 November 1941
LTJG KONDO Nobutaka (67) - 5 November 1941 - 15 January 1942
VACANT - 15 January 1942 - 19 January 1942
LT SUZUKI Setsu (??) - 19 January 1942 - 25 January 1943
LTJG / LT* AKABORI Tamio (69) - 25 January 1943 - 13 June 1943 (KIA)

I-10
Commanding Officers
(CEO) - CDR KAYABARA Yasuchika (49) - 31 July 1941 - 31 October 1941
CDR KAYABARA Yasuchika (49) - 31 October 1941 - 15 September 1942
CDR YAMADA Takashi (49) - 15 September 1942 - 15 April 1943
CDR TONOZUKA Kinzo (50) - 15 April 1943 - 18 January 1944
CDR / CAPT* NAKAJIMA Seiji (54) - 18 January 1944 - 4 July 1944 (KIA)

Torpedo Officers
(EO) - LT SHIMADA Takeo (59) - ??? - 31 October 1941
LT SHIMADA Takeo (59) - 31 October 1941 - 23 May 1942
??? - 23 May 1942 - 1 March 1943
LT ONO Yasuji (65) - ??? - 1 March 1943 - ???
??? - ??? - 7 January 1944
LT / LCDR* MOROHASHI Hisayoshi (66) - 7 January 1944 - 4 July 1944 (KIA)
LT INOUE Ryusho (68) - appointed 20 June 1944; never assumed post.

Navigators
??? - 31 October 1941 - 15 January 1942
LT OHARA Taihei (??) - 15 January 1942 - 15 September 1942
LT ONO Yasuji (65) - 15 September 1942 - 1 March 1943
LTJG SAKAI Toshimi (68) - 1 March 1943 - ???
??? - ??? - 2 February 1944
LTJG NAKAYAMA Taiichi (69) - 2 February 1944 - 19 February 1944
LTJG TANAKA Chiaki (69) - 19 February 1944 - 1 March 1944
LT UENO Yukio (67) - 1 March 1944 - 25 March 1944
LTJG / LT / LCDR* TSUKUDA Hiroji (70) - 25 March 1944 - 4 July 1944 (KIA)

Chief Engineers
??? - 31 October 1941 - 10 March 1943
LCDR IWANAGA Kenji (??) - 10 March 1943 - ???
??? - ??? - 4 July 1944

Communications Officers
(EO) - LTJG / LT TASHIRO Masao (??) - 1 September 1941 - 31 October 1941
LT TASHIRO Masao (??) - 31 October 1941 - 15 September 1942
LTJG SUNAGA Takashi (68) - 15 September 1942 - 15 April 1943
LTJG OSHIMA Hiroshi (69) - 15 April 1943 - 1 November 1943
LTJG TSUKUDA Hiroji (70) - 1 November 1943 - 25 March 1944
LTJG TAKEI Hatsuhiko (70) - 25 March 1944 - 15 April 1944
LTJG KAMATA Hisao (70) - 15 April 1944 - 20 April 1944
LTJG / LT / LCDR* TAKEI Hatsuhiko (70) - 20 April 1944 - 4 July 1944 (KIA)

I-11
Commanding Officers
(CEO) - CDR SHICHIJI Tsuneo (49) - 5 February 1942 - 16 May 1942
CDR SHICHIJI Tsuneo (49) - 16 May 1942 - 7 July 1943
CDR TAGAMI Meiji (51) - 7 July 1943 - 10 October 1943
CDR / CAPT* IZU Juichi (51) - 10 October 1943 - 20 March 1944 (KIA)

Torpedo Officers
(EO) - LT HAMAZUMI Yoshihisa (61) - 20 December 1941 - 16 May 1942
LT HAMAZUMI Yoshihisa (61) - 16 May 1942 - 20 November 1942
LT INOUE Junichi (64) - 20 November 1942 - ???
LT / LCDR* OGAWA Kenkichi (65) - ??? - 20 March 1944 (KIA)

Navigators
(EO) - LTJG / LT KAMIHIROSHI Yasushi (66) - ??? - 16 May 1942
LT KAMIHIROSHI Yasushi (66) - 16 May 1942 - 26 October 1942
LTJG TOKUNAGA Masahiko (67) - 26 October 1942 - ???
LTJG / LT / LCDR* KIMURA Minoru (69) - ??? - 20 March 1944 (KIA)

Chief Engineers
(EO) - (E) LCDR SHIMIZU Kiyonao (??) - ??? - 16 May 1942
(E) LCDR / LCDR SHIMIZU Kiyonao (??) - 16 May 1942 - 21 December 1942
LCDR NAKANO Minoru (??) - 21 December 1942 - ???
??? - ??? - 20 March 1944

Communications Officers
(EO) - LTJG TAKAHASHI Shingo (68) - 1 April 1942 - 16 May 1942
LTJG TAKAHASHI Shingo (68) - 16 May 1942 - 10 November 1942
LTJG INOUE Akira (69) - 10 November 1942 - 15 October 1943
LTJG / LT* OGURA Masayasu (70) - 15 October 1943 - 20 March 1944 (KIA)

I-12
Commanding Officers
(CEO) - LCDR / CDR KUDO Kaneo (56) - 5 March 1944 - 25 May 1944
CDR / CAPT* KUDO Kaneo (56) - 25 May 1944 - 13 November 1944 (KIA)

Torpedo Officers
(EO) - LT MIYAKE Tatsuo (??) - ??? - 25 May 1944
LT MIYAKE Tatsuo (??) - 25 May 1944 - ???
??? - ??? - 13 November 1944

Navigators
(EO) - LTJG / LT TANAHASHI Tatsuo (70) - 20 April 1944 - 25 May 1944
LT / LCDR* TANAHASHI Tatsuo (70) - 25 May 1944 - 13 November 1944 (KIA)

Chief Engineers
(EO) - LT MAKO Noboru (??) - ??? - 25 May 1944
LT / LCDR* MAKO Noboru (??) - 25 May 1944 - 13 November 1944 (KIA)

Communications Officers
??? - 25 May 1944 - 5 June 1944
LTJG / LT / LCDR* ISHIKAWA Nisuke (71) - 5 June 1944 - 13 Nov. 1944 (KIA)

I-13
Commanding Officers
(CEO) - CDR OHASHI Katsuo (53) - 10 September 1944 - 16 December 1944
CDR / CAPT* OHASHI Katsuo (53) - 16 December 1944 - 16 July 1945 (KIA)

Torpedo Officers
(EO) - LT TANIURA Hideo (65) - 30 April 1944 - 25 May 1944
(EO) - ??? - 25 May 1944 - 31 August 1944
(EO) - LT SHIGEMURA Michio (69) - 31 August 1944 - 16 December 1944
LT / LCDR* SHIGEMURA Michio (69) - 16 December 1944 - 16 July 1945 (KIA)

Navigators
(EO) - LTJG MITSUNAGA Kanechiku (70) - 1 October 1944 - 16 December 1944
LTJG / LT MITSUNAGA Kanechiku (70) - 16 December 1944 - 7 March 1945
LT / LCDR* OMAGARI Kosuke (71) - 7 March 1945 - 16 July 1945 (KIA)

Chief Engineers
(EO) - LT DAIDO Kiyonori (??) - 20 August 1944 - 16 December 1944
LT / LCDR* DAIDO Kiyonori (??) - 16 December 1944 - 16 July 1945 (KIA)

Communications Officers
(EO) - LTJG KASHIWAYA Kenji (71) - 15 September 1944 - 16 December 1944
LTJG / LT / LCDR* KASHIWAYA Kenji (71) - 16 December 1944 - 16 July 1945 (KIA)

Air Officers
VACANT - 16 December 1944 - 1 June 1945
LT / LCDR* YAMAMOTO Katsutomo (??) - 1 June 1945 - 16 July 1945 (KIA)

I-14
Commanding Officers
(CEO) - CDR SHIMIZU Tsuruzo (58) - 5 November 1944 - 14 March 1945
CDR SHIMIZU Tsuruzo (58) - 14 March 1945 - 28 August 1945

Torpedo Officers
(EO) - LT OKADA Yasumaro (69) - 31 August 1944 - 14 March 1945
LT OKADA Yasumaro (69) - 14 March 1945 - 15 August 1945

Navigators
(EO) - LTJG / LT NAWA Tomoyoshi (70) - 14 October 1944 - 14 March 1945
LT NAWA Tomoyoshi (70) - 14 March 1945 - 15 August 1945

Chief Engineers
(EO) - LCDR KUGIMIYA Hajime (??) - 15 July 1944 - 14 March 1945
LCDR KUGIMIYA Hajime (??) - 14 March 1945 - 18 June 1945
LT MASUNO Masahisa (??) - 18 June 1945 - 15 August 1945

Communications Officers
(EO) - LT SUMIDA Kazuyoshi (??) - 15 September 1944 - 14 March 1945
LT SUMIDA Kazuyoshi (??) - 14 March 1945 - 8 July 1945
LTJG TAKAMATSU Michio (72) - 8 July 1945 - 15 August 1945

Air Officers
VACANT - 14 March 1945 - 15 August 1945

[fontessa]

Hello ijnfleetadmiral,

I can fill in some blanks.

I-9
Commanding Officers
(CEO) - CDR OYAMA Toyojiro (47) - 20 December 1940 - 13 February 1941
CDR OYAMA Toyojiro (47) - 13 February 1941 - 31 July 1941
CDR / CAPT / RADM* FUJII Akiyoshi (49) - 31 July 1941 - 13 June 1943 (KIA)

(CEO) CDR / CDR NANRI Katsuji: 26 July 1940 - 25 November 1940
(CEO) (TENTATIVE) CDR KATO Ryonosuke: 25 November 1940 - 20 December 1940
(CEO) CDR / CDR OYAMA Toyojiro: 20 December 1940 - 15 January 1941
CDR / CDR OYAMA Toyojiro: 15 January 1941 - 31 July 1941
CDR / CAPT / RADM* FUJII Akiyoshi: 31 July 1941 - 14 June 1943 (KIA)

I-9
Torpedo Officers
(EO) - LT NORITA Sadatoshi (57) - ??? - 13 February 1941
LT / LCDR NORITA Sadatoshi (57) - 13 February 1941 - 15 January 1942
LT NAKAMURA Naozo (62) - 15 January 1942 - 30 September 1942
LT / LCDR* SHINODA Uheita (65) - 30 September 1942 - 14 June 1943 (KIA)

(EO) LCDR / LCDR UENO Toshitake: 10 August 1940 - 15 January 1941
LCDR / LCDR UENO Toshitake: 15 January 1941 - 15 April 1941
LCDR / LCDR KAMIMOTO Noboru: 15 April 1941 - 15 July 1941
LCDR / LCDR NORITA Sadatoshi: 15 July 1941 - 15 January 1942
LT NAKAMURA Naozo: 15 January 1942 - 30 September 1942
LT / LCDR* SHINODA Uheita: 30 September 1942 - 14 June 1943 (KIA)

I-9
Navigators
??? - 13 February 1941 - 15 January 1942
LTJG KONDO Nobuharu (??) - 15 January 1942 - 27 July 1942
LT SHIIZUKA Mitsuo (66) - 27 July 1942 - 25 January 1943
LTJG / LT* MATSUDA Tatsuo (68) - 25 January 1943 - 13 June 1943 (KIA)

(EO) LT / LT TOMITA Rikichi: 15 October 1940 - 15 January 1941
LT / LT NISHIMATSU Hario: 15 January 1941 - 15 July 1941
LT / LT NAKAMURA Naozo: 15 July 1941 - 15 January 1942
LTJG / LTJG KONDO Nobutaka: 15 January 1942 - 20 July 1942
VACANT: 20 July 1942 - 25 July 1942
LT / LT SHIIZUKA Mitsuo: 25 July 1942 - 25 January 1943
LTJG / LTJG MATSUDA Tasuo: 25 January 1943 - 14 June 1943 (KIA)

I-9
Chief Engineers
??? - 13 February 1941 - 10 May 1941
(E) LCDR SUZUKI Kiyoshishin (Eng. 37) - 10 May 1941 - 15 July 1942
(E) LT WATANABE Sadamu (??) - 15 July 1942 - ???
??? - ??? - 13 June 1943

(EO) LCDR / LCDR KISHIMOTO Takeo: 26 July 1940 - 15 January 1941
LCDR / LCDR KISHIMOTO Takeo: 15 January 1941 - 10 May 1941
LCDR / LCDR SUZUKI Kiyo’omi: 10 May 1941 - 15 July 1942
LT / LT / LCDR* WATANABE Sadamu: 15 July 1942 - 14 June 1943 (KIA)

I-9
Communications Officers
(EO) - LTJG SEKIYA Toshio (65) - 15 January 1941 - 13 February 1941
LTJG SEKIYA Toshio (65) - 13 February 1941 - 1 September 1941
LTJG / LT TOKUGAWA Hiromi (65) - 1 September 1941 - 5 November 1941
LTJG KONDO Nobutaka (67) - 5 November 1941 - 15 January 1942
VACANT - 15 January 1942 - 19 January 1942
LT SUZUKI Setsu (??) - 19 January 1942 - 25 January 1943
LTJG / LT* AKABORI Tamio (69) - 25 January 1943 - 13 June 1943 (KIA)

(EO) LTJG / LTJG SEKIYA Toshio: 15 November 1940 - 15 January 1941
LTJG / LTJG SEKIYA Toshio: 15 January 1941 - 1 September 1941
LTJG / LT TOKUGAWA Hiromi: 1 September 1941 - 5 November 1941
LTJG / LTJG KONDO Nobutaka: 5 November 1941 - 15 January 1942
VACANT - 15 January 1942 - 19 January 1942
LTJG / LTJG SUZUKI Takashi: 19 January 1942 - 25 January 1943
LTJG / LTJG AKABORI Tamio: 25 January 1943 - 14 June 1943 (KIA)

I-10
Commanding Officers
(CEO) - CDR KAYABARA Yasuchika (49) - 31 July 1941 - 31 October 1941
CDR KAYABARA Yasuchika (49) - 31 October 1941 - 15 September 1942
CDR YAMADA Takashi (49) - 15 September 1942 - 15 April 1943
CDR TONOZUKA Kinzo (50) - 15 April 1943 - 18 January 1944
CDR / CAPT* NAKAJIMA Seiji (54) - 18 January 1944 - 4 July 1944 (KIA)

(CEO) CDR / CDR KAYABARA Yasuchika: 31 July 1941 - 31 October 1941
CDR / CDR KAYABARA Yasuchika: 31 October 1941 - 15 September 1942
CDR / CDR YAMADA Takashi: 15 September 1942 - 15 April 1943
CDR / CDR TONOZUKA Kinzo: 15 April 1943 - 18 January 1944
CDR / CDR / CAPT* NAKAJIMA Seiji: 18 January 1944 - 4 July 1944 (KIA)

I-10
Torpedo Officers
(EO) - LT SHIMADA Takeo (59) - ??? - 31 October 1941
LT SHIMADA Takeo (59) - 31 October 1941 - 23 May 1942
??? - 23 May 1942 - 1 March 1943
LT ONO Yasuji (65) - ??? - 1 March 1943 - ???
??? - ??? - 7 January 1944
LT / LCDR* MOROHASHI Hisayoshi (66) - 7 January 1944 - 4 July 1944 (KIA)
LT INOUE Ryusho (68) - appointed 20 June 1944; never assumed post.

(EO) LT / LT SHIMADA Takeo: 31 July 1941 - 31 October 1941
LT / LT SHIMADA Takeo: 31 October 1941 - 15 January 1942
LT / LT OGANE Hisao: 15 January 1942 - 1 March 1943
LT / LT ONO Yasushi: 1 March 1943 - 7 January 1944
LT / LT / CDR* MOROHASHI Hisayoshi: 7 January 1944 - 4 July 1944 (KIA)

I-10
Navigators
??? - 31 October 1941 - 15 January 1942
LT OHARA Taihei (??) - 15 January 1942 - 15 September 1942
LT ONO Yasuji (65) - 15 September 1942 - 1 March 1943
LTJG SAKAI Toshimi (68) - 1 March 1943 - ???
??? - ??? - 2 February 1944
LTJG NAKAYAMA Taiichi (69) - 2 February 1944 - 19 February 1944
LTJG TANAKA Chiaki (69) - 19 February 1944 - 1 March 1944
LT UENO Yukio (67) - 1 March 1944 - 25 March 1944
LTJG / LT / LCDR* TSUKUDA Hiroji (70) - 25 March 1944 - 4 July 1944 (KIA)

LT / LT OGANE Hisao: 31 October 1941 - 15 January 1942
LT / LT OHARA Tahei: 15 January 1942 - 15 September 1942
LT / LT ONO Yasushi: 15 September 1942 - 1 March 1943
LTJG / LT SAKAI Toshimi: 1 March 1943 - 2 February 1944
LTJG / LTJG / LT* NAKAYAMA Taiichi: 2 February 1944 - 17 February 1944 (KIA)
VACANT: 17 February 1944 - 19 February 1944
LTJG / LTJG TANAKA Chiaki: 19 February 1944 - 1 March 1944
LT / LT UENO Yukio: 1 March 1944 - 25 March 1944
LTJG / LT / LCDR* TSUKUDA Koji: 25 March 1944 - 4 July 1944 (KIA)

I-10
Chief Engineers
??? - 31 October 1941 - 10 March 1943
LCDR IWANAGA Kenji (??) - 10 March 1943 - ???
??? - ??? - 4 July 1944

(EO) LCDR / LCDR KISHIMOTO Takeo: 31 July 1941 - 31 October 1941
LCDR / LCDR KISHIMOTO Takeo: 31 October 1941 - 10 February 1942
LCDR / LCDR TASHIRO Tsunato: 10 February 1942 - 10 March 1943
LCDR / LCDR IWANAGA Kenji: 10 March 1943 - 27 December 1943
LT / LT / LCDR* SUGAWARA Yasuaki: 27 December 1943 - 4 July 1944 (KIA)

I-10
Communications Officers
(EO) - LTJG / LT TASHIRO Masao (??) - 1 September 1941 - 31 October 1941
LT TASHIRO Masao (??) - 31 October 1941 - 15 September 1942
LTJG SUNAGA Takashi (68) - 15 September 1942 - 15 April 1943
LTJG OSHIMA Hiroshi (69) - 15 April 1943 - 1 November 1943
LTJG TSUKUDA Hiroji (70) - 1 November 1943 - 25 March 1944
LTJG TAKEI Hatsuhiko (70) - 25 March 1944 - 15 April 1944
LTJG KAMATA Hisao (70) - 15 April 1944 - 20 April 1944
LTJG / LT / LCDR* TAKEI Hatsuhiko (70) - 20 April 1944 - 4 July 1944 (KIA)

(EO) LTJG / LT TASHIRO Masao: 1 September 1941 - 31 October 1941
LT / LT TASHIRO Masao: 31 October 1941 - 10 September 1942
VACANT: 10 September 1942 - 15 September 1942
LTJG / LTJG SUNAGA Takashi: 15 September 1942 - 15 April 1943
LTJG / LTJG OSHIMA Hiroshi: 15 April 1943 - 1 November 1943
LTJG / LTJG TSUKUDA Koji: 1 November 1943 - 25 March 1944
LTJG / LTJG TAKESUE Hatsuhiko: 25 March 1944 - 15 April 1944
LTJG / LTJG KAMATA Hisao: 15 April 1944 - 20 April 1944
LTJG / LT / LCDR* TAKESUE Hatsuhiko: 20 April 1944 - ???

I-11
Commanding Officers
(CEO) - CDR SHICHIJI Tsuneo (49) - 5 February 1942 - 16 May 1942
CDR SHICHIJI Tsuneo (49) - 16 May 1942 - 7 July 1943
CDR TAGAMI Meiji (51) - 7 July 1943 - 10 October 1943
CDR / CAPT* IZU Juichi (51) - 10 October 1943 - 20 March 1944 (KIA)

(CEO) CDR / CDR SHICHIJI Tsuneo: 20 February 1942 - 16 May 1942
CDR / CDR SHICHIJI Tsuneo: 16 May 1942 -7 July 1943
CDR / CDR TAGAMI Akiji: 7 July 1943 - 10 October 1943
CDR / CDR / CAPT* IZU Hisaichi: 10 October 1943 - 20 March 1944 (KIA)
The sunk date was unknown. It was authorized as 20 March 1944.

I-11
Torpedo Officers
(EO) - LT HAMAZUMI Yoshihisa (61) - 20 December 1941 - 16 May 1942
LT HAMAZUMI Yoshihisa (61) - 16 May 1942 - 20 November 1942
LT INOUE Junichi (64) - 20 November 1942 - ???
LT / LCDR* OGAWA Kenkichi (65) - ??? - 20 March 1944 (KIA)

(EO) LT / LT HAMAZUMI Yoshihisa: 15 May 1942 - 16 May 1942
LT / LT HAMAZUMI Yoshihisa: 16 May 1942 - 20 November 1942
LT / LT INOUE Jun’ichi: 20 November 1942 - 30 August 1943
LT / LT / LCDR* OGAWA Kenkichi: 30 August 1943 - 20 March 1944 (KIA)
The sunk date was unknown. It was authorized as 20 March 1944.

I-11
Navigators
(EO) - LTJG / LT KAMIHIROSHI Yasushi (66) - ??? - 16 May 1942
LT KAMIHIROSHI Yasushi (66) - 16 May 1942 - 26 October 1942
LTJG TOKUNAGA Masahiko (67) - 26 October 1942 - ???
LTJG / LT / LCDR* KIMURA Minoru (69) - ??? - 20 March 1944 (KIA)

(EO) LTJG / LT KAMISHAKOKU Yasuo: 5 March 1942 - 16 May 1942
LT / LT KAMISHAKOKU Yasuo: 16 May 1942 - 29 September 1942
VACANT: 29 September 1942 - 26 October 1942
LTJG / LT TOKUNAGA Masahiko: 26 October 1942 - 1 October 1943
VACANT: 1 October 1943 - 15 October 1943
LTJG / ??? KIMURA Minoru: 15 October 1943 - 20 March 1944 (KIA)
The sunk date was unknown. It was authorized as 20 March 1944.

I-11
Chief Engineers
(EO) - (E) LCDR SHIMIZU Kiyonao (??) - ??? - 16 May 1942
(E) LCDR / LCDR SHIMIZU Kiyonao (??) - 16 May 1942 - 21 December 1942
LCDR NAKANO Minoru (??) - 21 December 1942 - ???
??? - ??? - 20 March 1944

(EO) LCDR / CDR SHIMIZU Kiyonao: 20 February 1942 - 16 May 1942
LCDR / LCDR SHIMIZU Kiyonao: 16 May 1942 - 20 December 1942
LCDR / LCDR / CDR* NAKANO Minoru: 20 December 1942 - 20 March 1944 (KIA)
The sunk date was unknown. It was authorized as 20 March 1944.

I-11
Communications Officers
(EO) - LTJG TAKAHASHI Shingo (68) - 1 April 1942 - 16 May 1942
LTJG TAKAHASHI Shingo (68) - 16 May 1942 - 10 November 1942
LTJG INOUE Akira (69) - 10 November 1942 - 15 October 1943
LTJG / LT* OGURA Masayasu (70) - 15 October 1943 - 20 March 1944 (KIA)

(EO) LTJG / LTJG TAKAHASHI Shingo: 1 April 1942 - 16 May 1942
LTJG / LTJG TAKAHASHI Shingo: 16 May 1942 - 10 November 1942
LTJG / LTJG INOUE Akira: 10 November 1942 - 10 October 1943
VACANT: 10 October 1943 - 15 October 1943
LTJG / LTJG / LT* OGURA Masayasu: 15 October 1943 - 20 March 1944 (KIA)
The sunk date was unknown. It was authorized as 20 March 1944.

I-12
Commanding Officers
(CEO) - LCDR / CDR KUDO Kaneo (56) - 5 March 1944 - 25 May 1944
CDR / CAPT* KUDO Kaneo (56) - 25 May 1944 - 13 November 1944 (KIA)

(CEO) LCDR / CDR KUDO Kaneo: 5 March 1944 - 25 May 1944
CDR / CDR / CAPT* KUDO Kaneo: 25 May 1944 - 31 January 1945 (KIA)
The sunk date was unknown. It was authorized as 31 January 1945.
Pease refer to page 30 of JACAR C13072106100. (CDR KUDO Kaneo was promoted to CAPT on 31 January 1945.)

I-12
Torpedo Officers
(EO) - LT MIYAKE Tatsuo (??) - ??? - 25 May 1944
LT MIYAKE Tatsuo (??) - 25 May 1944 - ???
??? - ??? - 13 November 1944

(EO) LT / LT KAMEYAMA Tatsuo: 21 March 1944 - 25 May 1944
LT / LT MIYAKE Tatsuo: 25 May 1944 - 30 May 1944
I think KAMEYAMA Tatsuo became a son-in-law, so his family name changed.
LT / LT / LCDR* YOSHIDA Taro: 30 May 1944 - 31 January 1945 (KIA)
The sunk date was unknown. It was authorized as 31 January 1945.

I-12
Navigators
(EO) - LTJG / LT TANAHASHI Tatsuo (70) - 20 April 1944 - 25 May 1944
LT / LCDR* TANAHASHI Tatsuo (70) - 25 May 1944 - 13 November 1944 (KIA)

(EO) LTJG / LT TANAHASHI Tatsuo: 20 April 1944 - 25 May 1944
LT / LT / LCDR* TANAHASHI Tatsuo: 25 May 1944 - 31 January 1945 (KIA)
The sunk date was unknown. It was authorized as 31 January 1945.

I-12
Chief Engineers
(EO) - LT MAKO Noboru (??) - ??? - 25 May 1944
LT / LCDR* MAKO Noboru (??) - 25 May 1944 - 13 November 1944 (KIA)

(EO) LT / LT MANAKO Noboru: 1 February 1944 - 25 May 1944
LT / LCDR / CDR* MANAKO Noboru: 25 May 1944 - 31 January 1945 (KIA)
The sunk date was unknown. It was authorized as 31 January 1945.

I-12
Communications Officers
??? - 25 May 1944 - 5 June 1944
LTJG / LT / LCDR* ISHIKAWA Nisuke (71) - 5 June 1944 - 13 November 1944 (KIA)

Crewmen
LTJG / LCDR ISHIKAWA Nisuke: 25 May 1944 - 5 June 1944
Communications Officers
LTJG / LT / LCDR* ISHIKAWA Nisuke: 5 June 1944 - 31 January 1945 (KIA)
The sunk date was unknown. It was authorized as 31 January 1945.

I-13
Commanding Officers
(CEO) - CDR OHASHI Katsuo (53) - 10 September 1944 - 16 December 1944
CDR / CAPT* OHASHI Katsuo (53) - 16 December 1944 - 16 July 1945 (KIA)

(CEO) CDR / CDR OHASHI Katsuo: 10 September 1944 - 16 December 1944
CDR / CDR / CAPT* OHASHI Katsuo: 16 December 1944 - 16 July 1945 (KIA)

I-13
Torpedo Officers
(EO) - LT TANIURA Hideo (65) - 30 April 1944 - 25 May 1944
(EO) - ??? - 25 May 1944 - 31 August 1944
(EO) - LT SHIGEMURA Michio (69) - 31 August 1944 - 16 December 1944
LT / LCDR* SHIGEMURA Michio (69) - 16 December 1944 - 16 July 1945 (KIA)

(EO) LT / LT TANIURA Hideo: 30 April 1944 - 25 May 1944
(EO) VACANT ?: 25 May 1944 - 31 August 1944
(EO) LT / LT SHIGEMURA Michio: 31 August 1944 - 16 December 1944
LT / LT / LCDR* SHIGEMURA Michio: 16 December 1944 - 16 July 1945 (KIA)

I-13
Navigators
(EO) - LTJG MITSUNAGA Kanechiku (70) - 1 October 1944 - 16 December 1944
LTJG / LT MITSUNAGA Kanechiku (70) - 16 December 1944 - 7 March 1945
LT / LCDR* OMAGARI Kosuke (71) - 7 March 1945 - 16 July 1945 (KIA)

(EO) LT / LT KANETSUKI Mitsuhisa: 1 October 1944 - 16 December 1944
LT / LT LT / LT KANETSUKI Mitsuhisa: 16 December 1944 - 1 March 1945
The Kanji for him was 兼築光壽.
LT / LT HIGASHI Toshio: 1 March 1945 - 7 March 1945
The Kanji for him was 東俊男.
LTJG / LT / LCDR OMAGARI Kosuke: 7 March 1945 - 16 July 1945 (KIA)

I-13
Chief Engineers
(EO) - LT DAIDO Kiyonori (??) - 20 August 1944 - 16 December 1944
LT / LCDR* DAIDO Kiyonori (??) - 16 December 1944 - 16 July 1945 (KIA)

(EO) LT / LCDR OMICHI Kiyonori: 20 August 1944 - 16 December 1944
LTCDR / OMICHI Kiyonori: 16 December 1944 - 15 April 1945
LT / LCDR / CDR* UCHIMOTO Tadao: 15 April 1945 - 16 July 1945 (KIA)

I-13
Communications Officers
(EO) - LTJG KASHIWAYA Kenji (71) - 15 September 1944 - 16 December 1944
LTJG / LT / LCDR* KASHIWAYA Kenji (71) - 16 December 1944 - 16 July 1945 (KIA)

(EO) LTJG / LTJG KASHIWAYA Kenji: 15 September 1944 - 16 December 1944.
LT / LT / LCDR* KASHIWAYA Kenji: 16 December 1944 - 16 July 1945 (KIA)

I-13
Air Officers
VACANT - 16 December 1944 - 1 June 1945
LT / LCDR* YAMAMOTO Katsutomo (??) - 1 June 1945 - 16 July 1945 (KIA)

VACANT: 16 December 1944 - 1 June 1945
LT / LT / LCDR* YAMAMOTO Katsutomo: 1 June 1945 - 16 July 1945 (KIA)

I-14
Commanding Officers
(CEO) - CDR SHIMIZU Tsuruzo (58) - 5 November 1944 - 14 March 1945
CDR SHIMIZU Tsuruzo (58) - 14 March 1945 - 28 August 1945

(CEO) CDR / CDR SHIMIZU Tsuruzo: 5 November 1944 - 14 March 1945
CDR / CDR SHIMIZU Tsuruzo: 14 March 1945 - 15 August 1945
CDR SHIMIZU was not releved on 28 August 1945.

I-14
Torpedo Officers
(EO) - LT OKADA Yasumaro (69) - 31 August 1944 - 14 March 1945
LT OKADA Yasumaro (69) - 14 March 1945 - 15 August 1945

(EO) LT / LT OKADA Yasumaro: 31 August 1944 - 14 March 1945
LT / LT OKADA Yasumaro: 14 March 1945 - 15 August 1945

I-14
Navigators
(EO) - LTJG / LT NAWA Tomoyoshi (70) - 14 October 1944 - 14 March 1945
LT NAWA Tomoyoshi (70) - 14 March 1945 - 15 August 1945

(EO) LT / LT NAWA Tomoya: 14 October 1944 - 14 March 1945
LT / LT NAWA Tomoya: 14 March 1945 - 15 August 1945

I-14
Chief Engineers
(EO) - LCDR KUGIMIYA Hajime (??) - 15 July 1944 - 14 March 1945
LCDR KUGIMIYA Hajime (??) - 14 March 1945 - 18 June 1945
LT MASUNO Masahisa (??) - 18 June 1945 - 15 August 1945

(EO) LT / LCDR KUGIMIYA Hajime: 15 July 1944 - 14 March 1945
LCDR / LCDR KUGIMIYA Hajime: 14 March 1945 - 18 June 1945
LT / LT MASUNO Masahisa: 18 June 1945 - 15 August 1945

I-14
Communications Officers
(EO) - LT SUMIDA Kazuyoshi (??) - 15 September 1944 - 14 March 1945
LT SUMIDA Kazuyoshi (??) - 14 March 1945 - 8 July 1945
LTJG TAKAMATSU Michio (72) - 8 July 1945 - 15 August 1945

(EO) LTJG / LT SUMIDA Kazuyoshi (71): 15 September 1944 - 14 March 1945
LT / LT SUMIDA Kazuyoshi (71): 14 March 1945 - 8 July 1945
LT / LT TAKAMATSU Michio (72): 8 July 1945 - ???

I-14
Air Officers
VACANT - 14 March 1945 - 15 August 1945

Buntaichos
LT (Res.) / LT (Res.) TOKUNAGA Nobuo: 1 June 1945 - 15 August 1945

fontessa

[ijnfleetadmiral]

Awesome...thanks! Questions:

1) For I-10 Navigators, when was LTJG OGANE Hisao (63) posted Equipping Officer?

2) For I-12 Torpedo Officers, I have a LT KAMEYAMA Takashi (67) (Kanji is: 亀山　健), who was KIA as Torpedo Officer of YAHAGI on 7 April 1945...is this the same individual?

[fontessa]

Hello ijnfleetadmiral,

2) For I-12 Torpedo Officers, I have a LT KAMEYAMA Takashi (67) (Kanji is: 亀山　健), who was KIA as Torpedo Officer of YAHAGI on 7 April 1945...is this the same individual?

The Kanji for KAMEYAMA Tatsuo (66) was 亀山辰夫. They were different persons.

fontessa

[ijnfleetadmiral]

Thanks for clarifying!

[fontessa]

Hello ijnfleetadmiral,

1) For I-10 Navigators, when was LTJG OGANE Hisao (63) posted Equipping Officer?

(EO) LT / LT OGANE Hisao: 31 July 1941 - 31 October 1941

fontessa

[ijnfleetadmiral]

Thanks for clarifying!