Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396424 | Method for recovering useful metals from dust discharged from metal refining metallurgical furnace | Kazuharu Yatsunami, Hisashi Watanabe | 1983-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396424 | Method for recovering useful metals from dust discharged from metal refining metallurgical furnace | Kazuharu Yatsunami, Hisashi Watanabe | 1983-08-02 |