Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Katsumi Kiyooka | Komatsu Zenoah | 6 |
| 2 | Kohichi Kato | Satake Chemical Equipment Mfg. | 3 |
| 3 | Akio Noji | Honda Motor Co. | 2 |
| #4 | Seita Shono | Canon | 1 |
| #4 | Seiko Minami | Canon | 1 |
| #4 | Hideo Mizutani | Nikon | 1 |
| #4 | Koichiro Ishibashi | Hitachi | 1 |
| #4 | Takatoshi Ohta | Canon | 1 |