Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Ando | Denso | 7 |
| 2 | Hideyuki Tanaka | Mitsubishi Electric | 4 |
| 3 | Yoshihiko Kohmura | Ngk Spark Plug Co. | 3 |
| 3 | Katsuhiko Yamaguchi | Toyota | 3 |
| #5 | Yoshihide Tsukamoto | Yazaki | 2 |
| #5 | Hitoshi Yamaguchi | Denso | 2 |
| #5 | Hirofumi Funabashi | Toyota Central R&D Labs | 2 |
| #8 | Tsutomu Totani | Beat-Sonic Co. | 1 |
| #8 | Hiroshi Ohkawa | Tomy Kogyo Co. | 1 |
| #8 | Takao Tsuda | Unknown | 1 |
| #8 | Masahiro Misu | Panasonic | 1 |
| #8 | Eiji Nagamori | Toyota | 1 |