Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Kato | Seiko Epson | 16 |
| 2 | Kazuo Itoh | Itoh Denki Co. | 6 |
| 2 | Yoshinobu Tanaka | Olympus | 6 |
| #4 | Tetsuya Kawamura | Panasonic | 5 |
| #4 | Keiichi Ito | Yazaki | 5 |
| #4 | Yoshio Noguchi | Kotobuki & Co. | 5 |
| #7 | Atsushi Fukui | Panasonic | 4 |
| #8 | Masahiro Iguchi | Noritz | 3 |
| #9 | Takashi Kubo | Sharp Kabushiki Kaisha | 2 |
| #9 | Takeshi Honda | Nec | 2 |
| #9 | Satoru Ito | Seiko Epson | 2 |
| #9 | Katsumi Yamaguchi | Clarion Co. | 2 |
| #9 | Takuji Magara | Mitsubishi Electric | 2 |
| #9 | Takashi Iida | Toyoda Gosei Co. | 2 |
| #15 | Shigehiko Suzuki | Sumitomo Rubber Industries | 1 |
| #15 | Takao Adachi | Ultramemory | 1 |
| #15 | Atsushi Nishimura | Adeka Argus Chemical Co. | 1 |
| #15 | Shinya Mori | Ricoh Company | 1 |
| #15 | Hirofumi Watanabe | Ricoh Company | 1 |