3 decal variants:
1. Ki-61Ko, Akeno Fighter School, Japan 1943
2. Ki-61Ko, 2nd Chutai, 68th Sentai, New Guinea 1944
3. Ki-61Ko, Gunso Matsumi Nakano, 5th Shinten Seiku-tai, 244th Sentai, Chofu, February 1945
In the fall of the same year, the armament was strengthened, and during the war, further improvements and production of modernized modifications took place. The Ki-61 earned the respect of the Allies in battles over New Guinea, the Philippines, Taiwan and Okinawa. They formed part of Tokyo's anti-air defense armament, but they were not enough for the B-29's flying fortress. A total of 3078 pieces of machines of all versions were produced.