Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9883278 | System and method for detecting ear location of earphone and rechanneling connections accordingly and earphone using same | Yen-Hsin Lin | 2018-01-30 |
| 7562752 | Retractable cable device | CHE-MING LEE, Chih-Chiang Wu, Wei-Hsi Chen | 2009-07-21 |
| 5461618 | Adapter for transmission lines using HDLC frames | Chi-Chang Chen, Shian-Ming Tzeng | 1995-10-24 |