Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Koji Kitahara | Seiko Epson | 3 |
| 2 | Tsunetaro Ito | Takano Co. | 2 |
| 2 | Tsuyoshi Miyashita | Hitachi | 2 |
| 2 | Chiyoaki Iijima | Seiko Epson | 2 |
| 2 | Hiromitsu Hamano | Daicel Chemical Industries | 2 |
| #6 | Sho Matsuzaki | Seiko Epson | 1 |
| #6 | Yo Shishihara | Seiko Epson | 1 |
| #6 | Keiichi Iizuka | Olympus Optical Co. | 1 |
| #6 | Kenjiro Kawanabe | Nhk Spring Co. | 1 |
| #6 | Yuji Uzuhashi | The Nisshin Oillio Group | 1 |
| #6 | Akihiko Kitazawa | Seiko Epson | 1 |
| #6 | Satoshi Iwaya | Seiko Epson | 1 |
| #6 | Ken Makita | Sumitomo Special Metals Co. | 1 |
| #6 | Tetsuo Tatsuda | Seiko Epson | 1 |
| #6 | Nobuo Fujisaki | Olympus Optical Co. | 1 |
| #6 | Hiroshi Kuramochi | Kokoku Rubber Industrial Company Limited | 1 |
| #6 | Takeshi Kuroda | Kobe Steel | 1 |
| #6 | Yugo Koyama | Seiko Epson | 1 |
| #6 | Kazue Watanabe | Cabot | 1 |