Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Yamamoto | Makita | 9 |
| 2 | Tadashi Yamamoto | Toyoda Gosei Co. | 5 |
| 3 | Mitsuhiro Tanaka | Ngk Insulators | 3 |
| 3 | Naoki Yamamoto | Mitsubishi Electric | 3 |
| #5 | Manabu Yoshida | Ngk Insulators | 2 |
| #5 | Hiroshi Matsuzaki | Olympus | 2 |
| #5 | Takashi Sakurai | Nippondenso Co. | 2 |
| #5 | Masaru Yoshida | Sharp Kabushiki Kaisha | 2 |
| #9 | Yoji Horie | Toagosei Co. | 1 |
| #9 | Tetsuya Ishii | Sekisui Chemical Co. | 1 |
| #9 | Tetsuhiko Yoshida | Toagosei Co. | 1 |
| #9 | Nobutaka Oohata | Fujisawa Pharmaceutical Co. | 1 |