Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshiro MURAYAMA | Seiko Epson | 11 |
| 2 | Toshihiro Shimizu | Seiko Epson | 8 |
| 3 | Hiroki Matsuoka | Toyota | 4 |
| #4 | Yuta OKAWA | Seiko Epson | 2 |
| #4 | Naotaka Higuchi | Seiko Epson | 2 |
| #4 | Nozomu HIROKUBO | Seiko Epson | 2 |
| #4 | Mitsutaka INUI | Seiko Epson | 2 |
| #4 | Yukihiro Tsuchiya | Aquasolution | 2 |
| #4 | Hidekazu Uematsu | Seiko Epson | 2 |
| #4 | Takeshi Yano | Seiko Epson | 2 |
| #4 | Takefumi FUKAGAWA | Seiko Epson | 2 |
| #12 | Shigeru Yokota | Funai Electric Co. | 1 |
| #12 | Jun Uehara | Seiko Epson | 1 |
| #12 | Akihiko Ebina | Seiko Epson | 1 |
| #12 | Toshinori Hiraide | Seiko Epson | 1 |
| #12 | Takema YAMAZAKI | Seiko Epson | 1 |
| #12 | Takashi Hiraiwa | Seiko Epson | 1 |
| #12 | Masanori Ueno | Dai Nippon Printing Co. | 1 |
| #12 | Tsugio Gomi | Seiko Epson | 1 |
| #12 | Yasushi TSUCHIYA | Seiko Epson | 1 |