Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masaharu Tochigi | Showa Denko K.K. | 7 |
| 2 | Denziro Kaneko | Showa Aluminum | 4 |
| 3 | Haruo Fujinuma | Showa Aluminum | 1 |
| 3 | Kazunaga Fukawa | Grelan Pharmaceutical Co. | 1 |
13 patents · 4 inventors
Ranked #47,534 of 111,555 cities Top 45%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masaharu Tochigi | Showa Denko K.K. | 7 |
| 2 | Denziro Kaneko | Showa Aluminum | 4 |
| 3 | Haruo Fujinuma | Showa Aluminum | 1 |
| 3 | Kazunaga Fukawa | Grelan Pharmaceutical Co. | 1 |