Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661151 | Treating agent for desulfurizing molten steels and method for treating molten steels | Koichi Endoh, Toshiyuki Kaneko, Hideo Yaoi, Yasuo Obana, Hideyuki Takahama | 1987-04-28 |