Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshio Yasumoto | Sumitomo Electric Industries | 2 |
| 1 | Kiyokazu Imanishi | Sumitomo Electric Industries | 2 |
| 1 | Toshimitsu Ikeda | Mita Industrial Co. | 2 |
| #4 | Yoshiro Nishimoto | Kobe Steel | 1 |
| #4 | Masafumi Terada | Fujisawa Pharmaceutical Co. | 1 |
| #4 | Katsuyuki Hanaoka | Unknown | 1 |
| #4 | Kousaku Yano | Sumitomo Electric Industries | 1 |
| #4 | Kiyoyuki Esashi | Sumitomo Special Metals Co. | 1 |
| #4 | Koichi Ohashi | Nippon Petrochemicals, Co. | 1 |
| #4 | Teho Sou | — | 1 |