Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Sadao Kokubu | Mitsubishi Electric | 2 |
| 1 | Motonobu Ando | Brother Kogyo | 2 |
| 3 | Isao Ito | — | 1 |
| 3 | Hiroyuki Tsukada | Kabushiki Kaisha Toshiba | 1 |
| 3 | Mikitoshi Hiraga | Sintobrator | 1 |
| 3 | Yuji Hashimoto | Toyota Industries | 1 |
| 3 | Yoshihiro Nakamura | Ngk Spark Plug Co. | 1 |