Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Kato | Seiko Epson | 20 |
| 2 | Atsushi Fukui | Panasonic | 18 |
| 3 | Takashi Iida | Toyoda Gosei Co. | 10 |
| #4 | Yoshinobu Tanaka | Olympus | 9 |
| #5 | Hirofumi Watanabe | Ricoh Company | 8 |
| #6 | Hiroki Kawai | Seiko Epson | 6 |
| #7 | Daisuke Mori | Kyocera | 3 |
| #7 | Yasuhiro Asai | Brother Kogyo | 3 |
| #7 | Takashi Kubo | Sharp Kabushiki Kaisha | 3 |
| #7 | Satoru Ito | Seiko Epson | 3 |
| #11 | Tomoya Takeuchi | Toyota | 2 |
| #11 | Yoshihiro Oka | International Institute Of Cancer Immunology | 2 |
| #11 | Yoshio Noguchi | Kotobuki & Co. | 2 |
| #11 | Akira Takenaka | Taiho Kogyo Co. | 2 |
| #15 | Koki Fukuda | Mitsubishi Aircraft | 1 |
| #15 | Yoshiaki Kondo | Joled | 1 |
| #15 | Kazuo Itoh | Itoh Denki Co. | 1 |
| #15 | Keiichi Ito | Yazaki | 1 |
| #15 | Takeshi Honda | Nec | 1 |
| #15 | Atsushi Nishimura | Adeka Argus Chemical Co. | 1 |