Showing 1–22 of 22 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Kato | Seiko Epson | 17 |
| 2 | Yoshinobu Tanaka | Olympus | 12 |
| 3 | Atsushi Fukui | Panasonic | 11 |
| #4 | Yasuhiro Asai | Brother Kogyo | 8 |
| #5 | Hiroki Kawai | Seiko Epson | 6 |
| #5 | Hirofumi Watanabe | Ricoh Company | 6 |
| #5 | Satoru Ito | Seiko Epson | 6 |
| #8 | Akio Nishiyama | Panasonic | 4 |
| #8 | Kazuo Itoh | Itoh Denki Co. | 4 |
| #10 | Tsuyoshi Fukui | Hitachi | 3 |
| #10 | Takashi Iida | Toyoda Gosei Co. | 3 |
| #10 | Katsuya Inoue | Sumitomo Metal Mining Co. | 3 |
| #10 | Takashi Kubo | Sharp Kabushiki Kaisha | 3 |
| #14 | Tetsuya Kawamura | Panasonic | 2 |
| #14 | Yoshio Noguchi | Kotobuki & Co. | 2 |
| #14 | Takuya Asano | Panasonic | 2 |
| #14 | Atsushi Hattori | Mitutoyo | 2 |
| #18 | Keiichi Ito | Yazaki | 1 |
| #18 | Takao Adachi | Ultramemory | 1 |
| #18 | Shinya Mori | Ricoh Company | 1 |
| #18 | Toshihiro Sakatani | Sanyo Electric Co. | 1 |
| #18 | Akira Takenaka | Taiho Kogyo Co. | 1 |