Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955409 | Method of smelting copper | Makoto Hamamoto, Seiichi Watanabe | 2011-06-07 |
| 7918917 | Method of smelting copper | Makoto Hamamoto, Seiichi Watanabe | 2011-04-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955409 | Method of smelting copper | Makoto Hamamoto, Seiichi Watanabe | 2011-06-07 |
| 7918917 | Method of smelting copper | Makoto Hamamoto, Seiichi Watanabe | 2011-04-05 |