Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9414154 | Water-repellent earphone | Fang-Chang Hsieh, Yu-Chang Fan, Chien-Cheng Yang | 2016-08-09 |
| 9025787 | Earphone plug with mode switching function | Fang-Chang Hsieh, Yuan-Hsing Wu, Chiung-Wen Yeh | 2015-05-05 |
| D705749 | Holder of earphone cord | Yu-Lan Liang | 2014-05-27 |
| 8597061 | Earphone plug with switch device | Yu-Lan Liang, Ching-Wen Chang | 2013-12-03 |
| 8532325 | Earphone device with bass adjusting function | Fang-Chang Hsieh, Yuan-Hsing Wu, Chung-Yi Huang | 2013-09-10 |
| 8467561 | Earphone device with a function of sound quality regulation and regulating method thereof | Hui-Yin Liang, Ching-Wen Chang | 2013-06-18 |