Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahiko Ishii | Toyota | 8 |
| 2 | Koji Abe | Ube Industries | 7 |
| 3 | Terutaka Tamaizumi | Jtekt | 5 |
| 3 | Makoto Kato | Sumitomo Electric Industries | 5 |
| #5 | Junya Ogawa | Nippon Steel Chemical | 3 |
| #5 | Takanori Tanaka | Olympus | 3 |
| #5 | Kenichi Abe | Jtekt | 3 |
| #8 | Dai Tanaka | Mitsubishi Motors | 2 |
| #8 | Koji Iwamoto | Futaba Industrial Co. | 2 |
| #8 | Kazuhiko Koike | Denso | 2 |
| #11 | Takashi Asano | Kyoto University | 1 |
| #11 | Satoshi Matsuda | Kabushiki Kaisha Toshiba | 1 |
| #11 | Tadashi Kondo | Toyota | 1 |
| #11 | Atsushi Kato | Brother Kogyo | 1 |
| #11 | Akihiko Nishimura | Jtekt | 1 |