Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Hashimoto | Toyota Industries | 6 |
| 2 | Takaaki Mukai | Canon | 5 |
| 3 | Yoshihiro Nakamura | Ngk Spark Plug Co. | 4 |
| #4 | Katsumi Inukai | Brother Kogyo | 1 |
| #4 | Takashi Ohama | Brother Kogyo | 1 |
| #4 | Isao Ito | — | 1 |