Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Norihiko Asai | Brother Kogyo | 27 |
| 2 | Nobuyuki Shinohara | Toyota | 4 |
| 3 | Takaaki Koizumi | Ngk Insulators | 2 |
| 3 | Shori Kato | Mitsubishi Electric | 2 |
| 3 | Yosuke Shinozaki | Ngk Spark Plug Co. | 2 |
| 3 | Michitaka Yamada | Ngk Spark Plug Co. | 2 |
| 3 | Hidenori Itamoto | Jtekt | 2 |
| #8 | Satoru Ishizaki | Toyota | 1 |
| #8 | Reona Takagishi | Toyota | 1 |
| #8 | Hitoshi Furuta | Fuji Oil Holdings | 1 |
| #8 | Kazuomi Yamanishi | Toyota | 1 |
| #8 | Noriko Kono | Toyota | 1 |
| #8 | Hitoshi Fujino | Brother Kogyo | 1 |
| #8 | Eiji Kozawa | Furukawa Electric Co. | 1 |