The Ki-33 "advanced fighter"

The first prototype Ka-14 as originally flown

Единственный экземпляр сухопутного истребителя Ki.18.
The sole prototype of the Ki-18 developed for the Army from the Ka-14

The first prototype Ka-14 after application of a close-fitting, long-chord engine cowling.

The Mitsubishi 1MF2 experimental fighter built to meet an Army requirement formulated in 1927.

The second prototype 1MF10 fighter of 1933 which would seem to have been inspired by the Boeing 248 of the previous year.

The Ka-8 two-seat shipboard fighter prototype, development of which was prompted by western trends.