Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hitoshi Yamaguchi | Denso | 4 |
| 2 | Katsuhiko Yamaguchi | Toyota | 3 |
| 3 | Hideyuki Tanaka | Mitsubishi Electric | 2 |
| #4 | Matsuei Ueda | Toyota | 1 |
| #4 | Takao Tsuda | Unknown | 1 |
| #4 | Hiroshi Ando | Denso | 1 |
| #4 | Shigenori Yamauchi | Denso | 1 |