Showing 1–25 of 25 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jun Ito | Seiko Epson | 227 |
| 2 | Masayuki Takada | Sony | 84 |
| 3 | Ippei Noda | Ricoh Company | 34 |
| #4 | Kyoji Takeichi | Nidek Co. | 26 |
| #5 | Shinichi Asai | Konica Minolta | 23 |
| #5 | Jun Usami | Ngk Insulators | 23 |
| #7 | Yoshinori Matsuyama | Nidek Co. | 21 |
| #8 | Yoshiharu Adachi | Aisin Seiki Kabushiki Kaisha | 20 |
| #9 | Masanori Amano | Nidek Co. | 13 |
| #9 | Seiki Tomita | Nidek Co. | 13 |
| #11 | Hajime NAMIKI | Nidek Co. | 9 |
| #12 | Katsuhiro Mita | Advics Co. | 8 |
| #13 | Tetsuaki Tsuzuki | Advics Co. | 7 |
| #14 | Toshiro Matsumoto | Nidek Co. | 6 |
| #14 | Shigehiro Koide | Pilot Ink Company, Limited | 6 |
| #16 | Hirohide Ishiguro | Sintokogio | 5 |
| #16 | Takayoshi SHIBATA | Nidek Co. | 5 |
| #16 | Yoshiaki Ajioka | Ecchandes | 5 |
| #16 | Kiyoshi Makihara | Nidek Co. | 5 |
| #16 | Kazuyoshi Yokota | Shiroki | 5 |
| #21 | Junpei NISHIYAMA | Nidek Co. | 4 |
| #21 | Sachio Murai | Itoh Optical Industrial Co. | 4 |
| #21 | Noboru Shirai | Mitsubishi Electric | 4 |
| #24 | Naohide Isogai | Nidek Co. | 3 |
| #25 | Hiroki YOKOSUKA | Nidek Co. | 2 |