Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Seiji Miura | Hitachi | 6 |
| 2 | Fumitaka Andou | Mazda Motor | 2 |
| 3 | Keiji Araki | Mazda Motor | 1 |
| 3 | Eiichi Yamamoto | Okamoto Machine Tool Works | 1 |
| 3 | Kouji Sakota | Seki Kogyo Co. | 1 |
| 3 | Nobuhiro Takamatsu | Mazda Motor | 1 |
| 3 | Ryoichi Ichikawa | Nihon Dempa Kogyo Co. | 1 |