Tachikawa Hikoki Kabushiki Kaisa

Year of foundation of the company: 1924. Until 1936 the company was a division of the shipbuilding company "Ishikawajima Tsosenso KK" and was named "KK Ishikawajima Hikoki Seisakuso".

• Ki-36. Multipurpose Attack Aircraft
• Ki-54. Training and Transport Aircraft
• Ki-70. Long Range Reconnaissance Aircraft
• Ki-74. High Altitude Reconnaissance Bomber
• Ki-77. Long-Range Courier Aircraft
• Ki-92. Long-range Transport Aircraft
• Ki-94. High Altitude Fighter

President: K. Kadono

Leading constructors: Reokichi Endo, Kimura.

Location of factories: Tachikawa, Okayama, Kofu.

Major developments: Ki-36 attack aircraft, Ki-74 bomber, Ki-9, Ki-17 trainer aircraft, Ki-54, Ki-92 transport aircraft.

Rikugun Kokugitsu Kenkiiso

In the summer of 1941, a few months before the start of the war in the Pacific, by order of Koku Hombu, located in the city of Tachikawa, the Army Aviation Research Institute (Rikugun Kokuchitsu Kenkiiso. abbreviated as Giken, or Kogiken) began preliminary work on a heavy twin-engine project fighter. For this purpose, a team of specialists from several Japanese aircraft manufacturing firms was created at the institute.

• Rikugun Ki-93. Heavy Fighter.