Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218648 | Acoustic wave element, filter element, and communication apparatus | Naofumi KASAMATSU, Masahisa Shimozono, Tetsuya Kishino, Hongnian Li, Tatsuya DOUMOTO | 2025-02-04 |
| 11689182 | Acoustic wave element, filter element, and communication apparatus | Naofumi KASAMATSU, Masahisa Shimozono, Tetsuya Kishino, Hongnian Li, Tatsuya DOUMOTO | 2023-06-27 |