Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiromu Mukai | Minolta | 4 |
| 2 | Nobuharu Andoh | Nihon Nohyaku Co. | 2 |
| 2 | Atsushi Kanaoka | Nihon Nohyaku Co. | 2 |
| 2 | Kenzo Kitano | Daidousanso Co. | 2 |
| 2 | Tomokazu Hino | Nihon Nohyaku Co. | 2 |
| 2 | Mikihiko Nakanishi | Sakura Color Products | 2 |
| 2 | Ryouichi Yasumoto | Nippon Gohsei Kagaku Kogyo | 2 |
| 2 | Itsuro Tamura | Osaka Gas Co. | 2 |
| 2 | Shigeki Hagiwara | Daikin Industries | 2 |
| #10 | Katsumi Sakitani | Daikin Industries | 1 |
| #10 | Masao Ogasa | Sekisui Chemical Co. | 1 |
| #10 | Masao Kita | Citizen Watch Co. | 1 |
| #10 | Nobuyuki Hayashi | Hitachi Chemical Company | 1 |
| #10 | Takaji Kurita | Minolta Co. | 1 |
| #10 | Atsuko Miyaji | Sumitomo Electric Industries | 1 |
| #10 | Yoichiro Miki | Sumitomo Electric Industries | 1 |
| #10 | Koichi Tagawa | Maeda Industries | 1 |
| #10 | Takashi Tarumi | Isuzu Glass | 1 |
| #10 | Yoshinobu Chaen | Sankyu | 1 |
| #10 | Nobuhiro Sowa | Sumitomo Rubber Industries | 1 |