Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshiaki Hashizume | Seiko Epson | 7 |
| 2 | Takahiro Katakura | Seiko Epson | 6 |
| 3 | Kunihiko Takagi | Seiko Epson | 3 |
| #4 | Yukinori Sugiyama | Nippon Light Metal Company | 2 |
| #4 | Hideya Yokouchi | Seiko Epson | 2 |
| #4 | Yukiyoshi Ajisawa | Kissei Pharmaceutical Co. | 2 |
| #4 | Satoshi Yoda | Seiko Epson | 2 |
| #4 | Kaneo Yoda | Seiko Epson | 2 |
| #9 | Atsushi Matsuo | Seiko Epson | 1 |
| #9 | Yukihiro Uchiyama | Seiko Epson | 1 |
| #9 | Koji Oguchi | Nidec Sankyo | 1 |
| #9 | Toshiyuki Nozawa | Seiko Epson | 1 |
| #9 | Hirofumi Terasawa | Daiichi Pharmaceutical Co. | 1 |
| #9 | Kazutoshi Fujisawa | Seiko Epson | 1 |
| #9 | Tetsuo Takagi | Seiko Epson | 1 |
| #9 | Ayako Kobayashi | Seiko Epson | 1 |
| #9 | Yuichi Morihira | Nts Co. | 1 |
| #9 | Atsuki Takei | Seiko Epson | 1 |