Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasuo Kondo | Hitachi | 4 |
| 1 | Tomoyoshi Tai | Ngk Insulators | 4 |
| 3 | Masami Naito | Denso | 1 |
| 3 | Hidaka Furuya | Nippon Light Metal Company | 1 |
| 3 | Hisashi Mizuno | Toyoda Gosei Co. | 1 |
| 3 | Mai Nakamura | Ngk Spark Plug Co. | 1 |
| 3 | Kouhei Yamamoto | Sony | 1 |