Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512397 | Etchant composition and method for etching | Takuo Ohwada | 2022-11-29 |
| 8580136 | Etching solution composition for metal thin film consisting primarily of copper | Kenji Ohshiro, Hideki Takahashi | 2013-11-12 |