Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Etsuo Masunaga | Shinko Holdings Co. | 2 |
| 1 | Akio Shoji | Dainippon Ink And Chemicals | 2 |
| 3 | Naofumi KAWAMURA | Jtekt | 1 |
| 3 | Shigeru Wada | Minolta | 1 |
| 3 | Toshiyuki Kitai | Canon | 1 |
| 3 | Shunsaku Toshihiro | Noritsu Koki Co. | 1 |