Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Yamamoto | Makita | 16 |
| 2 | Mitsuhiro Tanaka | Ngk Insulators | 11 |
| 3 | Tadashi Yamamoto | Toyoda Gosei Co. | 8 |
| 3 | Naoki Yamamoto | Mitsubishi Electric | 8 |
| #5 | Masaru Yoshida | Sharp Kabushiki Kaisha | 3 |
| #6 | Hiroshi Matsuzaki | Olympus | 2 |
| #6 | Nobutaka Oohata | Fujisawa Pharmaceutical Co. | 2 |
| #8 | Hideaki Tada | Ono Pharmaceutical Co. | 1 |
| #8 | Yoshihiro Kinoshita | Kabushiki Kaisha Toshiba | 1 |