Showing 1–1 of 1 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jun Otsuka | Ngk Spark Plug Co. | 62 |
62 patents · 1 inventors
Ranked #21,429 of 111,555 cities Top 20%
Showing 1–1 of 1 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jun Otsuka | Ngk Spark Plug Co. | 62 |