Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mashio Kitaura | Minolta | 4 |
| 2 | Teijiro Kitao | Dainippon Ink And Chemicals | 3 |
| 3 | Michio Yamamura | Sumitomo Electric Industries | 2 |
| 3 | Kuniaki Asai | Sumitomo Chemical | 2 |
| #5 | Yuzo Matsuoka | Tanabe Seiyaku Co. | 1 |
| #5 | Isamu Morimoto | Kubota | 1 |
| #5 | Seiji Izuhara | Takeda Chemical Industries | 1 |
| #5 | Hidetoshi Kawabata | Minolta | 1 |
| #5 | Kazuyuki Sasakura | Shionogi & Co. | 1 |
| #5 | Yoshinori Makiura | Mita Industrial Co. | 1 |
| #5 | Hidetoshi Yasumoto | Minolta | 1 |
| #5 | Noguyuki Taniguchi | Minolta | 1 |