Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirokazu Kato | Toyota | 127 |
| 2 | Makoto Tsuruta | Bridgestone | 39 |
| 3 | Yoshihiko Sato | Hitachi | 25 |
| #4 | Ryohei KOBAYASHI | Aichi Steel Works | 20 |
| #5 | Yuko Tomita | Tokyo Kikai Seisakusho | 9 |
| #6 | Shigeru Iwase | Minebea Mitsumi | 8 |
| #7 | Toshiaki Meguro | Sony | 4 |