Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000427 | Injection material for use in blast furnace | Takeshi Iba, Yoshichika Yanagibashi, Masaaki Koba, Akira Watanabe, Takeo Okamura +2 more | 1991-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000427 | Injection material for use in blast furnace | Takeshi Iba, Yoshichika Yanagibashi, Masaaki Koba, Akira Watanabe, Takeo Okamura +2 more | 1991-03-19 |