Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11629916 | Graphite-containing refractory and method of producing graphite-containing refractory | Keisuke Yoshida, Hisahiro Matsunaga | 2023-04-18 |
| 11156403 | Graphite-containing refractory and method of producing graphite-containing refractory | Keisuke Yoshida, Hisahiro Matsunaga | 2021-10-26 |