Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hironori Atsumi | Showa Denko K.K. | 4 |
| 2 | Katsunori Sato | Bridgestone Sports Co. | 3 |
| 2 | Hirotaka Shinohara | Bridgestone Sports Co. | 3 |
| #4 | Yoshitaka Nishihara | Showa Denko K.K. | 2 |
| #4 | Yoshikazu Umeta | Showa Denko K.K. | 2 |
| #4 | Naoto ISHIBASHI | Showa Denko K.K. | 2 |
| #4 | Keisuke Fukada | Showa Denko K.K. | 2 |
| #4 | Jun Shindo | Bridgestone Sports Co. | 2 |
| #9 | Youichi Hagiwara | Canon | 1 |
| #9 | Yuichiro Ozawa | Bridgestone Sports Co. | 1 |
| #9 | Masanobu Kuwahara | Bridgestone Sports Co. | 1 |
| #9 | Hideyuki Kawai | Seiko Epson | 1 |
| #9 | Naoyuki Miyagawa | Bridgestone Sports Co. | 1 |