Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tadashi Yamamoto | Toyoda Gosei Co. | 6 |
| 1 | Masaru Yoshida | Sharp Kabushiki Kaisha | 6 |
| 1 | Yuji Yamamoto | Makita | 6 |
| #4 | Naoki Yamamoto | Mitsubishi Electric | 5 |
| #5 | Hiroshi Matsuzaki | Olympus | 2 |
| #5 | Mitsuhiro Tanaka | Ngk Insulators | 2 |
| #7 | Takashi Sakurai | Nippondenso Co. | 1 |
| #7 | Yoshihiro Kinoshita | Kabushiki Kaisha Toshiba | 1 |