Graduate, National Defense Academy, 1968.
Private 1st Company, 3rd Infantry Regiment, Camp Nayoro, Hokkaido, 1968. Chief Exercise Section, Training Division, Education and Training Department, 1988—1991. Commander 39th Infantry Regiment, camp Hirosaki, Aomori, 1991—1992.
Chief Defense Planning Division, Plans and Operations Department, 1992—1994. Major general Republic of Korea Army, 1993. Deputy chief of staff (Operations) Northern Army Headquarters, 1994—1995, deputy chief of staff (Administration), 1995—1996.
Director Personnel Department, 1996—1998. Lieutenant general Japanese Army, 1998. Commanding general 3rd Division, 1998—1999.
Vice chief of staff Japan Ground Self-Defense Force (JGSDF), 1999—2001. Commanding general Northern Army, 2001—2002. General Japanese Army, 2002.
Chief of staff Japan Ground Self-Defense Force (JGSDF), 2002—2004. Chief of staff, Joint Staff Office Japanese Military, since 2004.