Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kazuhiro Hayashi | — | 145 |
| 2 | Toshiaki Takahashi | Ricoh Company | 104 |
| 3 | Ryoji Kojima | Sumitomo Rubber Industries | 35 |
| #4 | Hisato Takemoto | Toshiba Medical Systems | 30 |
| #4 | Yoshitomo Sakakura | Toshiba Medical Systems | 30 |
| #6 | Hiroya Sato | Sharp Kabushiki Kaisha | 28 |
| #7 | Son Nguyen | Gkn Automotive Limited | 8 |
| #8 | Shinji Hamamoto | Kao | 6 |
Part of Massachusetts