Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryoji Hoshi | Shin-Etsu Handotai Co. | 2 |
| 2 | Youichi Serizawa | Shin-Etsu Handotai Co. | 1 |
| 2 | Junichiro Kawasaki | Sumitomo Rubber Industries | 1 |
| 2 | Hiroto Sakuma | Nippon Columbia Co. | 1 |
| 2 | Izumi Fusegawa | Shin-Etsu Handotai Co. | 1 |