Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5976445 | Method of producing zirconia fused cast refractories | Ryunosuke Kuroda | 1999-11-02 |
| 5776397 | Method of producing zirconia fused cast refractories | Ryunosuke Kuroda | 1998-07-07 |