Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693120 | Production method for low carbon molten steel using vacuum degassing and decarburization treatment | Koichi Endoh, Makoto Moriguchi, Toshihiko Kaku, Shigenori Yagura, Fumio Hayashi | 1997-12-02 |
| 4661151 | Treating agent for desulfurizing molten steels and method for treating molten steels | Koichi Endoh, Toshiyuki Kaneko, Hideo Yaoi, Seiji Aso, Hideyuki Takahama | 1987-04-28 |
| 4358313 | Process for refining molten pig iron and steel | Masataka Yoshii, Mitsugu Anabuki, Tatsuro Kuwabara, Takuo Kono | 1982-11-09 |