Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Hashimoto | Toyota Industries | 4 |
| 1 | Katsura Matsubara | Ngk Spark Plug Co. | 4 |
| 3 | Isao Ito | — | 2 |
| 3 | Takaaki Mukai | Canon | 2 |
| #5 | Tomohisa Fujita | Ngk Spark Plug Co. | 1 |
| #5 | Katsumi Inukai | Brother Kogyo | 1 |
| #5 | Tetsumi Ichioka | Toyoda Gosei Co. | 1 |
| #5 | Motonobu Ando | Brother Kogyo | 1 |
| #5 | Takashi Ohama | Brother Kogyo | 1 |