Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kazuhiro Hayashi | — | 5 |
| 2 | Toshiaki Takahashi | Ricoh Company | 4 |
| 3 | Hisato Takemoto | Toshiba Medical Systems | 3 |
| #4 | Yoshitomo Sakakura | Toshiba Medical Systems | 2 |
| #4 | Ryoji Kojima | Sumitomo Rubber Industries | 2 |
| #4 | Shinji Hamamoto | Kao | 2 |
Part of Massachusetts