Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tadashi Hattori | Nippon Soken | 216 |
| 2 | Satoshi Fujii | Sumitomo Electric Industries | 122 |
| 3 | Hideki Matsumoto | Canon | 111 |
| #4 | Hiroyuki Kondo | Yazaki | 110 |
| #5 | Yutaka Yamaguchi | Canon | 94 |
| #5 | Masahiro Nozaki | Toyoda Gosei Co. | 94 |
| #7 | Hiroki Yoshida | Canon | 53 |
| #8 | Hitoshi Kanazawa | Kabushiki Kaisha Toshiba | 37 |
| #8 | Takashi Nishimoto | Toyota | 37 |
| #10 | Koichi Fujita | Mitsubishi Electric | 36 |
| #11 | Akira Katagiri | Tokai Rubber Industries | 8 |
| #12 | Katsuya Mizutani | Honda Motor Co. | 7 |
| #13 | Yoshiyuki Sawada | Daido Tokushuko | 6 |