Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Naoki Yamamoto | Mitsubishi Electric | 6 |
| 1 | Manabu Yoshida | Ngk Insulators | 6 |
| 3 | Yuji Yamamoto | Makita | 5 |
| #4 | Mitsuhiro Tanaka | Ngk Insulators | 3 |
| #5 | Tetsuhiko Yoshida | Toagosei Co. | 2 |
| #5 | Yoshihiro Kinoshita | Kabushiki Kaisha Toshiba | 2 |
| #7 | Tadashi Yamamoto | Toyoda Gosei Co. | 1 |