Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Youji Kawamura | Onoda Cement Co. | 3 |
| 2 | Akihiko Takayama | Kawasaki | 2 |
| 3 | Motomi Tamai | Onoda Cement Co. | 1 |
6 patents · 3 inventors
Ranked #64,531 of 111,555 cities Top 60%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Youji Kawamura | Onoda Cement Co. | 3 |
| 2 | Akihiko Takayama | Kawasaki | 2 |
| 3 | Motomi Tamai | Onoda Cement Co. | 1 |