Showing 1–24 of 24 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masayuki Oto | Epson Toyocom | 6 |
| 1 | Hideya Yokouchi | Seiko Epson | 6 |
| 1 | Hiroshige Owaki | Seiko Epson | 6 |
| #4 | Toshiyuki Kasai | Seiko Epson | 4 |
| #4 | Kunihiko Takagi | Seiko Epson | 4 |
| #6 | Toshiaki Hashizume | Seiko Epson | 3 |
| #6 | Atsushi Matsuo | Seiko Epson | 3 |
| #8 | Hiroshi Suzushima | Olympus | 2 |
| #8 | Shuichi Wakabayashi | Seiko Epson | 2 |
| #8 | Kaneo Yoda | Seiko Epson | 2 |
| #8 | Osamu Urano | Seiko Epson | 2 |
| #8 | Hideki Furihata | Seiko Epson | 2 |
| #8 | Kazutoshi Fujisawa | Seiko Epson | 2 |
| #8 | Masafumi Yamazaki | Fujitsu Limited | 2 |
| #8 | Yoshitomo Kumai | Seiko Epson | 2 |
| #16 | Hirokazu Kasahara | Seiko Epson | 1 |
| #16 | Shinobu Yokokawa | Seiko Epson | 1 |
| #16 | Tomio Hama | Yugen Kaisha Hama International | 1 |
| #16 | Takahiro Katakura | Seiko Epson | 1 |
| #16 | Akihiko Yonemochi | Seiko Epson | 1 |
| #16 | Kazunori Takabayashi | Seiko Epson | 1 |
| #16 | Seiji Osawa | Seiko Epson | 1 |
| #16 | Takayuki AYUZAWA | Seiko Epson | 1 |
| #16 | Yukihiro Uchiyama | Seiko Epson | 1 |