Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuhiro Hayakawa | Ngk Spark Plug Co. | 3 |
| 2 | Kenji Fukuta | Tokuyama | 1 |
| 2 | Yasutoshi Yamada | Aisin Seiki Kabushiki Kaisha | 1 |
5 patents · 3 inventors
Ranked #6,342 of 22,654 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuhiro Hayakawa | Ngk Spark Plug Co. | 3 |
| 2 | Kenji Fukuta | Tokuyama | 1 |
| 2 | Yasutoshi Yamada | Aisin Seiki Kabushiki Kaisha | 1 |