Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shuichi Okuzono | Tosoh | 2 |
| 1 | Takakatsu Adachi | Chugai Ro Co. | 2 |
| 3 | Tsugio Murakami | Tosoh | 1 |
| 3 | Kengo Okajima | Tosoh | 1 |
| 3 | Masahiro Tajima | Shiseido Company, Limited | 1 |
| 3 | Genji Taga | Tokuyama Soda | 1 |
| 3 | Makoto Sumida | F-Tech | 1 |
| 3 | Akira Hironaga | Tosoh | 1 |
| 3 | Kazuo Sekiguchi | Showa Denko K.K. | 1 |
| 3 | Noritaka Nagasaki | Tosoh | 1 |
| 3 | Takao Saiki | F-Tech | 1 |
| 3 | Satohiro Nakano | F-Tech | 1 |