Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10872780 | Dry etching agent composition and dry etching method | Akifumi Yao, Isamu Mori | 2020-12-22 |
| 10741406 | Dry etching method | Akifumi Yao | 2020-08-11 |
| 10644435 | Waterproof connector | — | 2020-05-05 |