Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204298 | Basic monolithic refractories | Toshihiro Isobe, Yukihiro Suekawa | 1993-04-20 |
| 4661151 | Treating agent for desulfurizing molten steels and method for treating molten steels | Koichi Endoh, Toshiyuki Kaneko, Seiji Aso, Yasuo Obana, Hideyuki Takahama | 1987-04-28 |