Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tadashi Amano | Shin-Etsu Chemical Co. | 5 |
| 2 | Hiromitsu Sasaki | Honda Motor Co. | 2 |
| 3 | Shinji Hiramatsu | Kuraray Co. | 1 |
| 3 | Masahiro Usuki | Shin-Etsu Chemical Co. | 1 |
| 3 | Tatsuya Yoshikawa | International Catalyst Technology | 1 |
| 3 | Minoru Kase | Kao | 1 |
| 3 | Yoshikazu Ueno | Bridgestone | 1 |