The Nikkei revealed that eight Japanese companies are participating in the development of the F-X fighter.
- The main contractor will be Mitsubishi Heavy Industries.
- IHI Corporation will develop the engine,
- Subaru and Kawasaki Heavy Industries will build the airframe,
- Mitsubishi Electric will take the electronic warfare system portion while Toshiba
- Fujitsu and NEC will design the avionics and radar.