Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hitoshi Furuta | Fuji Oil Holdings | 2 |
| 1 | Masaharu Kajita | Ngk Insulators | 2 |
| 3 | Naobumi Nagasawa | Sanyo Electric Co. | 1 |
| 3 | Hisao Yokoya | Mitsubishi Electric | 1 |
| 3 | Eiji Yamagata | Hitachi Construction Machinery Co. | 1 |
| 3 | Sumio Oinuma | Tokai Rubber Industries | 1 |
| 3 | Yoshihiro Kani | C.Uyemura & Co. | 1 |
| 3 | Toyoshiro Miyajima | Ngk Insulators | 1 |