Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9729990 | Manufacturing method of a condenser microphone | Sun-Zen Chen, Henry Chen, Jen-Yi Chen, Kuang-Chien Hsieh | 2017-08-08 |
| 9258662 | Condenser microphone and manufacturing method thereof | Sun-Zen Chen, Henry Chen, Jen-Yi Chen, Kuang-Chien Hsieh | 2016-02-09 |
| 8687827 | Micro-electro-mechanical system microphone chip with expanded back chamber | Hung-Jen Chen, Chun-Chieh Wang, Ming-Li Hsu | 2014-04-01 |