Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348485 | Spinel type fused refractory product | Koji Oohasi, Yutaka Hosoda, Toshio Kitamura | 1982-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348485 | Spinel type fused refractory product | Koji Oohasi, Yutaka Hosoda, Toshio Kitamura | 1982-09-07 |