Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Satoshi Fujioka | Seiko Epson | 5 |
| 2 | Nobuo Sugiyama | Seiko Epson | 4 |
| 2 | Fujio Akahane | Seiko Epson | 4 |
| 2 | Kazumasa Yokoyama | Green Cross | 4 |
| #5 | Ken Yanagisawa | Yugen Kaisha Sozoan | 3 |
| #6 | Noboru Takizawa | Harmonic Drive Systems | 2 |
| #6 | Shoji Hinata | Seiko Epson | 2 |
| #6 | Hiroshi Shirotori | Seiko Epson | 2 |
| #6 | Yasushi Yamazaki | Seiko Epson | 2 |
| #6 | Hiromu Miyazawa | Seiko Epson | 2 |
| #6 | Miharu Kanaya | Seiko Epson | 2 |
| #6 | Shoichi Yamaguchi | Canon | 2 |
| #13 | Masayuki Takagi | Seiko Epson | 1 |
| #13 | Kenichi Asami | Toshiba Lighting & Technology | 1 |
| #13 | Kazuo Otsuka | Seiko Epson | 1 |
| #13 | Satoru Hosono | Seiko Epson | 1 |
| #13 | Shigeki Sato | Tdk | 1 |
| #13 | Kaoru Takeuchi | Seiko Epson | 1 |
| #13 | Hidefumi Sakata | Seiko Epson | 1 |
| #13 | Katsumi Okamoto | Seiko Epson | 1 |