Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shinobu Kamimura | Asahi Yukizai | 3 |
| 1 | Takashi Nasu | Asahi Yukizai | 3 |
| 3 | Ryu Taniguchi | Asahi Kasei Kabushiki Kaisha | 1 |
| 3 | Kensuke Masuda | Ricoh Company | 1 |
| 3 | Hiroshige Seto | Asahi Yukizai | 1 |
| 3 | Junichi Iwata | Ricoh Company | 1 |
| 3 | Katsuhiro Fujimoto | Asahi Kasei Kabushiki Kaisha | 1 |