Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akinori Ryu | Mitsui Chemicals | 2 |
| 2 | Chitoshi Shimakawa | Mitsui Chemicals | 1 |
| 2 | Norimichi Matsuoka | Fujimiyaseisakusho Co. | 1 |
| 2 | Masayuki Furuya | Mitsui Chemicals | 1 |
5 patents · 4 inventors
Ranked #13,340 of 40,593 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akinori Ryu | Mitsui Chemicals | 2 |
| 2 | Chitoshi Shimakawa | Mitsui Chemicals | 1 |
| 2 | Norimichi Matsuoka | Fujimiyaseisakusho Co. | 1 |
| 2 | Masayuki Furuya | Mitsui Chemicals | 1 |