Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Kato | Seiko Epson | 26 |
| 2 | Keiichi Ito | Yazaki | 7 |
| 3 | Kazuo Itoh | Itoh Denki Co. | 6 |
| #4 | Takashi Kubo | Sharp Kabushiki Kaisha | 5 |
| #5 | Atsushi Fukui | Panasonic | 4 |
| #5 | Hirofumi Watanabe | Ricoh Company | 4 |
| #7 | Akira Takenaka | Taiho Kogyo Co. | 3 |
| #7 | Yoshio Noguchi | Kotobuki & Co. | 3 |
| #9 | Shigeyuki Inagaki | Daido Tokushuko | 2 |
| #9 | Yoshihiro Miura | Toyoda Gosei Co. | 2 |
| #9 | Shiro Hikita | Mitsubishi Electric | 2 |
| #12 | Atsushi Hattori | Mitutoyo | 1 |
| #12 | Takashi Iida | Toyoda Gosei Co. | 1 |
| #12 | Katsuya Inoue | Sumitomo Metal Mining Co. | 1 |
| #12 | Takeshi Yoshimura | Ntt Docomo | 1 |
| #12 | Satoru Ito | Seiko Epson | 1 |
| #12 | Tetsuya Kawamura | Panasonic | 1 |
| #12 | Katsumi Yamaguchi | Clarion Co. | 1 |
| #12 | Yoshinobu Tanaka | Olympus | 1 |