| Designer or Manufacturer |
Experimental Designation |
Service Designation |
Aircraft |
| Hiro Type 14 |
? |
? |
Hiro H2H |
| Hiro Type 90 |
? |
? |
Hiro H2H |
| Hiro Type 91 |
? |
? |
Aichi AB-6, Aichi E10A, Kawanishi E7K, Kugisho B4Y, Mitsubishi Ka-9 |
| Hiro? Type 91-1 |
? |
? |
Kawanishi E11K |
| Hiro? Type 91-2 |
? |
? |
Hiro H4H, Kawanishi E11K |
| Hiro Type 94-1 |
? |
? |
Hiro G2H |
| Mitsubishi Type Hi (V-8) |
? |
? |
Mitsubishi Type 10 Carrier Fighter, Mitsubishi Type 10 Carrier Reconnaissance Aircraft |
| Mitsubish Type Hi (V-12) |
? |
? |
Mitsubishi B1M, Mitsubishi Taka-type Carrier Fighter, Mitsubishi Experimental Type R Flying Boat, Mitsubishi B2M |
| Mitsubishi A.4 |
? |
? |
Mitsubishi Type 93 Land-based Attack Aircraft, Mitsubishi Experimental 7-Shi Carrier Fighter |
| Mitsubishi |
8-Shi |
? |
Mitsubishi B4M |
| Tokyo Gasu Denki / Gasuden |
? |
Jimpu |
Kawanishi K8K |
| Hiro |
? |
Myojo |
Hiro H4H |
| Aichi |
AE1 |
Atsuta アツタ or 熱田 |
|
| Hitachi |
? |
Tenpu 天風 (Tempu?) |
Kugisho E14Y |
| Hitachi |
GK2 |
Amakaze |
Kawanishi K11W Shiragiku, Kusho K5Y, Kyushu Q1W Tokai, Mitsubishi K3M |
| Mitsubishi |
MK2 |
Zuisei |
|
| Mitsubishi |
MK4 |
Kasei 火星 |
Kawanishi H8K, Kawanishi E15K Shiun, Kawanishi N1K Kyofu, Kugisho P1Y Ginga, Mitsubishi G4M, Mitsubishi J2M Raiden, Nakajima G5N Shinzan, Nakajima B6N Tenzan |
| Mitsubishi |
MK8 |
Kinsei |
Aichi D3A, Aichi E13A, Aichi E16A Zuiun, Kawanishi E13K, Kawanishi H6K, Kugisho D4Y Suisei, Kugisho D3Y Myojo, Mitsubishi G3M, Mitsubishi L3Y, Mitsubishi A5M, Mitsubishi B5M, Showa L2D |
| Mitsubishi |
MK9 |
? |
|
| Mitsubishi |
? |
Shinten |
Kugisho H5Y |
| Nakajima NAF, NAH |
? |
Kotobuki 寿 |
Aichi D1A, Aichi E8A, Aichi H9A, Kawanishi E8K, Kawanishi E10K, Kawanishi K10K, Kugisho B4Y, Kyushu K10W, Mitsubishi Ka-8, Mitsubishi Ka-14, Mitsubishi K3M, Mitsubishi A5M, Nakajima E8N, Nakajima L1N |
| Nakajima |
? |
Hikari 光 |
Aichi D1A, Aichi D3A, Aichi F1A, Kawanishi H6K, Kugisho B4Y, Nakajima B5N, Mitsubishi Ka-14, Mitsubishi F1M |
| Nakajima NAM |
NK1 |
Sakae 栄 |
Mitsubishi C5M, Mitsubishi A5M, Mitsubishi A6M, Nakajima B5N, Nakajima J1N Gekko |
| Nakajima NAL-6 |
NK5 |
? |
|
| Nakajima NAK |
NK7 |
Mamoru |
|
| Nakajima BA, NBA |
NK9 |
Homare 誉 |
|
| Nakajima |
NK11 |
? |
|
| Nihonnainenki |
? |
Semi |
|
| Tokyo Gasu Denki, Hitachi |
GK4 |
Hatsukaze 初風 (Hatakaze?) |
Kyushu K9W |
| Hitachi, Tokyo Gasu Denki |
? |
Kamikaze 神風 |
Kusho K4Y, Yokosho K2Y |
| Kugisho |
YE2 |
- |
Experimental 18-cylinder inline-W |
| Kugisho |
YE3 |
- |
Experimental 24-cylinder inline-X derivative of YE2 |
|
