Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9961446 | Earphone recognition method and apparatus, earphone control method and apparatus, and earphone | Gao Qin Li, Jincun LIN, Yihua Liu | 2018-05-01 |
| 6884401 | Method for removing volatile components from a high viscosity liquid by using rotation pack bed | Chia-Chang Lin, I-Min Tseng, Wen-Tzong Liu, Hua YU | 2005-04-26 |