Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tetsuo Tatsuda | Seiko Epson | 3 |
| 1 | Kenji Kameko | Koa | 3 |
| 3 | Mikito Nakajima | Seiko Epson | 2 |
| 3 | Toshiya Usuda | Seiko Epson | 2 |
| 3 | Sho Matsuzaki | Seiko Epson | 2 |
| 3 | Satoshi Iwaya | Seiko Epson | 2 |
| 3 | Youhei Sakai | Olympus | 2 |
| 3 | Tadahiko Yoshioka | Koa | 2 |
| 3 | Mikimoto Jin | Seiko Epson | 2 |
| 3 | Masanori Inoue | Fuji Electric Co. | 2 |
| 3 | Keishi Nakamura | Koa | 2 |
| #12 | Koji Kitahara | Seiko Epson | 1 |
| #12 | Yoshihiro Hashizume | Mitsubishi Electric | 1 |
| #12 | Hitoshi Amemiya | Koa | 1 |
| #12 | Go Yamashita | Seiko Epson | 1 |
| #12 | Shingo Toji | Medical & Biological Laboratories Co. | 1 |
| #12 | Kazue Watanabe | Cabot | 1 |