Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshiyuki Kuratsu | Kyowa Hakko Kogyo Co. | 4 |
| 2 | Kiyoshi Yoshimoto | Kanebo, Limited | 2 |
| 3 | Kentaro Noguchi | Kanebo, Limited | 1 |
| 3 | Yoshimichi Ozawa | Kanebo, Limited | 1 |
| 3 | Tomoki Azuma | Kyowa Hakko Kogyo Co. | 1 |
| 3 | Masayuki Kawabe | Kanebo, Limited | 1 |
| 3 | Junzo Shimokawa | Kanebo, Limited | 1 |
| 3 | Tetsutaro Hashimura | Konica | 1 |
| 3 | Yoshioki Okubo | Konica | 1 |
| 3 | Kazuhisa Iwata | Kyowa Hakko Kogyo Co. | 1 |
| 3 | Akio Nishino | Kanebo, Limited | 1 |
| 3 | Masaki Azuma | Kyowa Hakko Kogyo Co. | 1 |
| 3 | Kengo Murakami | F-Tech | 1 |