Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327899 | Stave cooling device having unwelded double tube | Teruo Shimotsuma, Masaaki Higuchi, Tsunenori Sugawara, Takeshi Yano | 1982-05-04 |
| 4260414 | Process for recovering and utilizing useful substances from molten metal produced during reduction treatment of steel slag | Ryo Ando, Tatsuo Koyama, Shoji Kubodera, Renichi Kondo | 1981-04-07 |