Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891064 | Method of melting cold material including iron | Kazushige Umezawa, Tatsuro Kuwabara, Tsuzuru Nuibe, Kousaku Ozawa | 1990-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891064 | Method of melting cold material including iron | Kazushige Umezawa, Tatsuro Kuwabara, Tsuzuru Nuibe, Kousaku Ozawa | 1990-01-02 |