Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Issei Hayakawa | Ngk Insulators | 3 |
| 2 | Naoto Miwa | Nippondenso Co. | 2 |
| 3 | Yukiyoshi Inayama | Toyoda Gosei Co. | 1 |
| 3 | Shinpei Seki | Meinan Machinery Works | 1 |
7 patents · 4 inventors
Ranked #4,647 of 20,767 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Issei Hayakawa | Ngk Insulators | 3 |
| 2 | Naoto Miwa | Nippondenso Co. | 2 |
| 3 | Yukiyoshi Inayama | Toyoda Gosei Co. | 1 |
| 3 | Shinpei Seki | Meinan Machinery Works | 1 |