Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takashi Fujukawa | Cosmo Oil Co. | 1 |
| 1 | Hideyuki Maezawa | Lintec | 1 |
| 1 | Nobuyuki Ishitsuka | Smc | 1 |
| 1 | Eietsu Hasegawa | Senju Metal Industry Co. | 1 |
| 1 | Hirofumi Mizuguchi | Cosmo Oil Co. | 1 |
| 1 | Nobumasa Nakajima | Cosmo Oil Co. | 1 |
| 1 | Hideki Godo | Cosmo Oil Co. | 1 |