Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Minoru Ihara | Sugino Machine Limited | 3 |
| 1 | Kuniaki Tanaka | — | 3 |
| 3 | Katsuhisa Sirosaki | Nippon Carbide Industries Co. | 1 |
7 patents · 3 inventors
Ranked #10,954 of 40,593 cities Top 30%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Minoru Ihara | Sugino Machine Limited | 3 |
| 1 | Kuniaki Tanaka | — | 3 |
| 3 | Katsuhisa Sirosaki | Nippon Carbide Industries Co. | 1 |