Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640336 | Refractory for continuous casting | Kazumi Arakawa, Toshiyuki Hirao, Kenji Sugiura, Sei Hiraki, Takao Suzuki +1 more | 1987-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640336 | Refractory for continuous casting | Kazumi Arakawa, Toshiyuki Hirao, Kenji Sugiura, Sei Hiraki, Takao Suzuki +1 more | 1987-02-03 |