Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821371 | Refractory material and casting nozzle | Katsumi Morikawa, Akinari SASAKI, Ling Li | 2017-11-21 |
| 9815741 | Refractory for casting, nozzle for casting and sliding nozzle plate using same | Keiichiro Akamine, Kazuo Ito | 2017-11-14 |