Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takashi Ohama | Brother Kogyo | 4 |
| 1 | Yoshihiro Nakamura | Ngk Spark Plug Co. | 4 |
| 1 | Katsumi Inukai | Brother Kogyo | 4 |
| #4 | Yuji Hashimoto | Toyota Industries | 1 |
| #4 | Tomohisa Fujita | Ngk Spark Plug Co. | 1 |
| #4 | Hiroyuki Tsukada | Kabushiki Kaisha Toshiba | 1 |