Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821092 | Etchant for selectively etching copper and copper alloy, and method for manufacturing semiconductor substrate using said etchant | Shun Fukazawa, Hiroshi Matsunaga | 2023-11-21 |