Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takanori HAMADA | Sekisui Chemical Co. | 3 |
| 2 | Tomoyuki Takei | Showa Denko K.K. | 2 |
| 3 | Takaaki Onizuka | Jtekt | 1 |
| 3 | Yoshiyuki Saruwatari | Osaka Organic Chemical Industry Co. | 1 |
| 3 | Yuka ODA | Saraya Co. | 1 |
| 3 | Emiko KAWAMUKAI | Saraya Co. | 1 |
| 3 | Satoshi Fujimaru | Jtekt | 1 |
| 3 | Mitsuko Kitanohara | Riso Kagaku | 1 |
| 3 | Akihiro TAKAZATO | Jtekt | 1 |
| 3 | Yoriko KATO | Saraya Co. | 1 |
| 3 | Kazuyoshi Matsuoka | Osaka Organic Chemical Industry Co. | 1 |
| 3 | Koshiro Yamakawa | Koyo Seiko Co. | 1 |
| 3 | Yoshihiko Hirata | Saraya Co. | 1 |