Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuki Okumura | Brother Kogyo | 5 |
| 2 | Hirokazu Banno | Brother Kogyo | 4 |
| 3 | Youhei Nagano | Denso | 3 |
| #4 | Takuya Shimamura | Ngk Spark Plug Co. | 2 |
| #4 | Shinichi Kameyama | Fujitsu Limited | 2 |
| #4 | Kota Yokoyama | Osaka Gas Co. | 2 |
| #7 | Shinobu Okazaki | Ngk Spark Plug Co. | 1 |
| #7 | Ryo Onishi | Ngk Insulators | 1 |
| #7 | Wenjing Ma | Ngk Spark Plug Co. | 1 |
| #7 | Yusuke Todo | Denso | 1 |
| #7 | Suguru Kyoumoto | Ngk Spark Plug Co. | 1 |