Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160531 | Vaccum refining method utilizing induction heater around a ladle in a vacuum container | Koreaki Koizumi, Teruhiko So | 1992-11-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160531 | Vaccum refining method utilizing induction heater around a ladle in a vacuum container | Koreaki Koizumi, Teruhiko So | 1992-11-03 |