Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasushi Abe | Ricoh Company | 7 |
| 2 | Hiroyuki Yashima | Denka Company Limited | 3 |
| 2 | Uichiro Yamagishi | Denka Company Limited | 3 |
| #4 | Sachiyo Kishi | Denka Company Limited | 2 |
| #4 | Ikuka Hashimoto | Denka Company Limited | 2 |
| #6 | Kunihiko Otsuka | Denka Company Limited | 1 |
| #6 | Toru Shiraiwa | Denka Company Limited | 1 |
| #6 | Hideki Toya | Denki Kagaku Kogyo | 1 |
| #6 | Satoru Ikari | Denka Company Limited | 1 |
| #6 | Ryochi Suzuki | Denka Company Limited | 1 |
| #6 | Kiyoshi Sunada | Denki Kagaku Kogyo | 1 |
| #6 | Yoshihiro Mashiko | Denki Kagaku Kogyo | 1 |
| #6 | Toshiaki Miyauchi | Denka Company Limited | 1 |
| #6 | Naoki Kabayashi | Denka Company Limited | 1 |
| #6 | Motohiro Ose | Denki Kagaku Kogyo | 1 |
| #6 | Hidehiro Matsuda | Denka Company Limited | 1 |
| #6 | Yuhei ISHIGAKI | Denka Company Limited | 1 |
| #6 | Toshiaki Otsu | Denki Kagaku Kogyo | 1 |