Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182599 | Carbon-containing refractory, production method thereof, and pitch-containing refractory raw material | Toshiyuki Hokii, Hiroyuki Fuchimoto, Jyouki Yoshitomi, Keisuke Asano | 2012-05-22 |
| 5369066 | Refractory material and product thereof containing low-silica electrofused magnesia clinker | Naoki Furuta, Masakazu Ootsubo, Setsunori Hamaguchi, Isao Watanabe, Yoichi Furuta | 1994-11-29 |
| 4917276 | Sliding gate nozzle for special steel | Hiroshi Shikano | 1990-04-17 |
| 4775504 | Process for producing refractory plate for sliding nozzle | Hiroshi Shikano | 1988-10-04 |