Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takuro Suyama | Olympus | 4 |
| 2 | Tetsuo Tatsuda | Seiko Epson | 3 |
| 2 | Youhei Sakai | Olympus | 3 |
| 2 | Toshiya Usuda | Seiko Epson | 3 |
| #5 | Kenji Kameko | Koa | 2 |
| #5 | Akinori Yamada | Seiko Epson | 2 |
| #5 | Tamotsu Endo | Koa | 2 |
| #8 | Yoshiaki Matsumoto | Seiko Epson | 1 |
| #8 | Keishi Nakamura | Koa | 1 |
| #8 | Mikito Nakajima | Seiko Epson | 1 |
| #8 | Koichi Minowa | Koa | 1 |
| #8 | Takeshi Kuroda | Kobe Steel | 1 |
| #8 | Mikimoto Jin | Seiko Epson | 1 |