Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Rinya Takesue | Bridgestone Sports Co. | 18 |
| 2 | Takashi Udagawa | Showa Denko K.K. | 11 |
| 3 | Hideyuki Kawai | Seiko Epson | 6 |
| #4 | Junji Umezawa | Bridgestone Sports Co. | 4 |
| #5 | Atsuki Kasashima | Bridgestone Sports Co. | 3 |
| #6 | Katsunori Sato | Bridgestone Sports Co. | 2 |
| #7 | Shinichi Tsuruoka | Hitachi | 1 |
| #7 | Masashi Shimamura | Canon | 1 |
| #7 | Tomohiko Torita | Canon | 1 |
| #7 | Yasush Ichikawa | Bridgestone Sports Co. | 1 |
| #7 | Wataru Nabekura | Showa Denko K.K. | 1 |
| #7 | Yasuyuki Sakaguchi | Showa Denko K.K. | 1 |
| #7 | Tadao Hirano | Casio Computer Co. | 1 |
| #7 | Shunichi Kashiwagi | Bridgestone Sports Co. | 1 |
| #7 | Yoshitaka Nishihara | Showa Denko K.K. | 1 |
| #7 | Noritaka Muraki | Showa Denko K.K. | 1 |
| #7 | Eiji Takehana | Bridgestone Sports Co. | 1 |
| #7 | Takaharu Hoshina | Showa Denko K.K. | 1 |
| #7 | Fumio Shimada | Canon | 1 |
| #7 | Ryouichi Takeuchi | Showa Denko K.K. | 1 |