Showing 1–25 of 25 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shigetoshi Kuma | Mitsui Chemicals | 4 |
| 2 | Tomohiro Hamasaki | Bonac | 3 |
| 2 | Nobuo Kawato | Mitsui Chemicals | 3 |
| 2 | Tadaaki Ohgi | Bonac | 3 |
| #5 | Koji Nagafuji | Kurume University | 2 |
| #5 | Nobuyoshi Koga | Towa | 2 |
| #5 | Kenichi Kawazoe | Yamatake | 2 |
| #5 | Eriko Aoki | Bonac | 2 |
| #5 | Shinichi Mizuno | Tachi-S Co. | 2 |
| #5 | Tomoaki Hoshino | Kurume University | 2 |
| #5 | Akihiro Itoh | Ricoh Company | 2 |
| #12 | Kuri Inoue | Towa | 1 |
| #12 | Yasuaki Kokubu | Senju Metal Industry Co. | 1 |
| #12 | Takayuki Mizutani | Bonac | 1 |
| #12 | Arata Toshimitsu | Hisamitsu Pharmaceutical Co. | 1 |
| #12 | Koji Handa | Mitsui Chemicals Agro | 1 |
| #12 | Michiharu Sakata | Mitsui Chemicals | 1 |
| #12 | Fumiyo Annou | Dyden | 1 |
| #12 | Hiroyuki In | Dyden | 1 |
| #12 | Hidetoshi Ozawa | Kurume University | 1 |
| #12 | Risa Murata | Sumitomo Chemical | 1 |
| #12 | Hisamichi Aizawa | Kurume University | 1 |
| #12 | Hisao Shirohzu | Bonac | 1 |
| #12 | Hisaya Takahashi | Nec | 1 |
| #12 | Yukiko Tsuchimochi | Towa | 1 |