Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masayoshi Yamanaka | Honda Motor Co. | 7 |
| 2 | Seiichiro Ishijima | Mamiya-Op Co. | 3 |
| 3 | Tsutomu Takaada | Edwards Japan Limited | 2 |
| 3 | Yasushi Maejima | Edwards Japan Limited | 2 |
| 3 | Yoshinobu Ohtachi | Edwards Japan Limited | 2 |
| #6 | Mutsumi Deguchi | Senju Metal Industry Co. | 1 |
| #6 | Nobuo Suemitsu | Kawasaki | 1 |