Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryouhei Hayama | Jtekt | 3 |
| 2 | Yoshitomo Tokumoto | Koyo Seiko Co. | 2 |
| 2 | Naosumi Tada | Borg-Warner Automotive K.K. | 2 |
| 2 | Katsutoshi Nishizaki | Koyo Seiko Co. | 2 |
| 2 | Toshiki Kurumada | Rohto Pharmaceutical Co. | 2 |
| 2 | Hideyuki Takenaka | Shionogi & Co. | 2 |
| #7 | Yoshio Kanayama | Sharp Kabushiki Kaisha | 1 |
| #7 | Koji Higashimoto | Shin-Kobe Electric Machinery Co. | 1 |
| #7 | Kazuyuki Zaitsu | Sharp Kabushiki Kaisha | 1 |
| #7 | Shin Seungpyo | Borgwarner Morse Tec Japan K.K. | 1 |
| #7 | Norio Nakatani | Jtekt | 1 |
| #7 | Masaichi Kikuchi | Unknown | 1 |
| #7 | Noboru Ishibashi | Aisin Aw Co. | 1 |