Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hisashi Ito | Honda Motor Co. | 3 |
| 2 | Nobuhiro Hayakawa | Ngk Spark Plug Co. | 2 |
| 2 | Akio Enomoto | Ngk Insulators | 2 |
| 2 | Kazuto Noritake | Sanyo Electric Co. | 2 |
| 2 | Yoshinobu Honkura | Aichi Steel | 2 |
| #6 | Yoichi Nemugaki | Asahi Glass Co. | 1 |
| #6 | Michio Okabe | Daido Tokushuko | 1 |