Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806163 | Mold additives for use in continuous casting | Hakaru Nakato, Tsutomu Nozaki, Yasuhiro Habu, Hiromu Oka, Takao Koshikawa +2 more | 1989-02-21 |
| 4582531 | Method of heating a molten steel in a tundish for a continuous casting apparatus | Yutaka Yoshii, Yasuhiro Habu, Hiromitsu Yamanaka | 1986-04-15 |
| 4522251 | Method of increasing casting width for a slab during a continuous casting operation | Takao Koshikawa, Tadao Ozeki | 1985-06-11 |