Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084122 | Zirconia-carbon-containing refractory and method for producing same | Daisuke Yoshitsugu | 2011-12-27 |
| 8041441 | Production management method and production management system | Hiroaki Izumi, Katsuhiko Takahashi | 2011-10-18 |