1940
- 1942
Chief of 13th Section (Strategy & Tactics), 4th Bureau, General Staff
1941
- 1942
Chief of 12th Section (Military History), 4th Bureau, General Staff
1942
- 1943
Chief of Staff 17th Army, Solomon Islands
1943
- 1944
Instructor at the War College
1944
Chief of Staff 14th Area Army, Philippines
1944
- 1945
Vice Chief of Staff 14th Area Army, Philippines
1945
Vice Chief of Staff 12th Area Army