Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shigeru Wada | Minolta | 4 |
| 2 | Kazuhiko Ishimaru | Minolta Co. | 3 |
| 3 | Naoya Kasai | Daiso Co. | 2 |
| #4 | Tadashi Shinjo | Yugenkaisha Shinjo Seisakusho | 1 |
| #4 | Yutaka Nagayama | Nagayama Electronic Industry Co. | 1 |
| #4 | Koji Tsukuda | Archer-Daniels-Midland | 1 |
| #4 | Kouji Shirai | Nec | 1 |