Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tokuji Ishida | Minolta | 18 |
| 2 | Masumi Arai | Konica | 5 |
| 3 | Yoshihiro Matsubara | Ngk Spark Plug Co. | 2 |
| #4 | Toyoharu Mukai | Wako Pure Chemical Industries | 1 |
| #4 | Nariaki Mutou | Mita Industrial Co. | 1 |
| #4 | Yutaka Mitsune | Dai-Ichi Kogyo Seiyaku Co. | 1 |
| #4 | Yoshimasa Shimomura | Tsubakimoto Chain | 1 |
| #4 | Seiichi Kai | Sumitomo Chemical | 1 |
| #4 | Nobuo Kondo | Ajinomoto Co. | 1 |
| #4 | Yoshiyuki Kimura | Ricoh Company | 1 |
| #4 | Hirofumi Iwaki | Sumitomo Electric Industries | 1 |
| #4 | Akira Toguchi | Sanyo Electric Co. | 1 |