Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11421360 | Fiber sheet and method for manufacturing same | Yoko Tokuno | 2022-08-23 |
| 11254870 | Etching solution, additive, and etching method | Masaaki Hirakawa, Takahiro KANAI | 2022-02-22 |