Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5567222 | Method of controlling slag coating of a steel converter | Katsunori Takahashi, Hajime Suzuki, Sumio Yamada, Taichi Nakazawa, Yasuo Imaiida | 1996-10-22 |
| 4265164 | Pressure detecting device | Hiromichi Iizuka | 1981-05-05 |