Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirofumi Kondo | Brother Kogyo | 7 |
| 2 | Hiroki Nagai | Toyota | 3 |
| 3 | Masayuki Shinkai | Ngk Insulators | 2 |
| #4 | Yoichi Sakamoto | Canon | 1 |
| #4 | Reimon Fukuzawa | Ngk Spark Plug Co. | 1 |
| #4 | Koji Nakahara | Kabushiki Kaisha Toshiba | 1 |