Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasuyuki Hashimoto | Exedy | 59 |
| 2 | Katsuhiko Samukawa | Denso | 28 |
| 3 | Masatoshi Okada | Nok | 9 |
| #4 | Yoshiharu Tani | Omron | 8 |
| #5 | Shuuichi Tominaga | Mitsubishi Electric | 5 |
| #6 | Tsurunosuke Ochiai | — | 4 |
| #7 | Mitsunori Iwamoto | — | 3 |
| #8 | Takahisa Nakashima | Sumco | 2 |
| #8 | Heigo Tanaka | Sumitomo Mitsubishi Silicon | 2 |
| #8 | Shinichi Sugita | Toyoda Koki Kabushiki Kaisha | 2 |
| #11 | Hidejiro Shibayama | Dainichiseika Color & Chemicals Mfg. Co. | 1 |
| #11 | Sachiko Yoshino | Saga Sanyo Industries Co. | 1 |
| #11 | Tsuyoshi Makigawa | Omron | 1 |
| #11 | Atsushi Wakiyama | Sumitomo Electric Industries | 1 |