Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshihiro Nakamura | Ngk Spark Plug Co. | 5 |
| 2 | Takashi Ohama | Brother Kogyo | 2 |
| 2 | Katsumi Inukai | Brother Kogyo | 2 |
| #4 | Yuji Hashimoto | Toyota Industries | 1 |
| #4 | Shinji Kumazawa | Ngk Spark Plug Co. | 1 |
11 patents · 5 inventors
Ranked #8,661 of 41,746 cities Top 25%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshihiro Nakamura | Ngk Spark Plug Co. | 5 |
| 2 | Takashi Ohama | Brother Kogyo | 2 |
| 2 | Katsumi Inukai | Brother Kogyo | 2 |
| #4 | Yuji Hashimoto | Toyota Industries | 1 |
| #4 | Shinji Kumazawa | Ngk Spark Plug Co. | 1 |