Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923831 | Magnesia-calcium oxide refractories | Hiroaki Ishii, Ichiro Tsuchiya, Yukio Oguchi, Tatsuo Kawakami | 1990-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923831 | Magnesia-calcium oxide refractories | Hiroaki Ishii, Ichiro Tsuchiya, Yukio Oguchi, Tatsuo Kawakami | 1990-05-08 |