Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kouki Watabe | Sugino Machine Limited | 1 |
| 1 | Takeo Uehara | Yoshida Kogyo K.K. | 1 |
| 1 | Kuniaki Tanaka | — | 1 |
| 1 | Seiichi Nakahara | Kuraray Co. | 1 |
| 1 | Youichi Fukunishi | Nippon Carbide Industries Co. | 1 |
| 1 | Takehiko Yoshie | Nippon Carbide Kogyo | 1 |
| 1 | Shinichi Okeda | Sugino Machine Limited | 1 |
| 1 | Hiroo Minami | Yoshida Kogyo K.K. | 1 |