Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshiyuki Kumai | Murakami Kaimeido Co. | 1 |
| 1 | Noriaki Matsushima | Sumitomo Durez Company | 1 |
| 1 | Tadao Shibuya | Idemitsu Kosan Co. | 1 |
3 patents · 3 inventors
Ranked #5,499 of 15,417 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshiyuki Kumai | Murakami Kaimeido Co. | 1 |
| 1 | Noriaki Matsushima | Sumitomo Durez Company | 1 |
| 1 | Tadao Shibuya | Idemitsu Kosan Co. | 1 |