Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182599 | Carbon-containing refractory, production method thereof, and pitch-containing refractory raw material | Toshiyuki Hokii, Hiroyuki Fuchimoto, Toshihiro Suruga, Keisuke Asano | 2012-05-22 |
| 5452755 | Casting apparatus for low-melting metals having two or more coating layers | Katsumi Morikawa | 1995-09-26 |