Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Naoto Izumo | A&D Company, Limited | 3 |
| 2 | Kouhei Shibata | Toyota | 2 |
| 2 | Eiji Kawanishi | Mitsubishi Tanabe Pharma | 2 |
| #4 | Satosi Suzaki | A&D Company, Limited | 1 |
| #4 | Takashi Wanibuchi | Nissin Kogyo Co. | 1 |
| #4 | Makoto Hosono | Nippon Kayaku | 1 |
| #4 | Jun Katoh | Furukawa Electric Co. | 1 |
| #4 | Tatsuo Ichige | A&D Company, Limited | 1 |
| #4 | Akiyoshi Oota | A&D Company, Limited | 1 |
| #4 | Tohru Ishizuka | Shin-Etsu Handotai Co. | 1 |
| #4 | Hirosi Sigano | A&D Company, Limited | 1 |