Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8831253 | Electroacoustic apparatus with optical energy conversion function | Chang-Ho Liou, Yi-Jen Chan, Kun-Chia Wu, Winny Wang | 2014-09-09 |
| 8625824 | Flat speaker unit and speaker device therewith | Kuan-Wei Chen, Chang-Ho Liou, Kuo-Hua Tseng | 2014-01-07 |
| 8594349 | Flat speaker structure | Chang-Ho Liou, Kuo-Hua Tseng, Kuan-Wei Chen | 2013-11-26 |
| 8588438 | Driving interface device adaptive to a flat speaker | Kuo-Hua Tseng, Chang-Ho Liou, Kuan-Wei Chen, Che-Yuan Sun | 2013-11-19 |
| 8503702 | Electret diaphragm and speaker using the same | Che-I Kao, Chih-Kung Lee, Wen-Ching Ko, Chang-Ho Liou, Ing Yih Leu +2 more | 2013-08-06 |
| 8447053 | Flat speaker apparatus with heat dissipating structure and method for heat dissipation of flat speaker | Kuo-Hua Tseng, Chang-Ho Liou, Kuan-Wei Chen | 2013-05-21 |
| 8391520 | Flat speaker unit and speaker device therewith | Chang-Ho Liou | 2013-03-05 |
| 8385586 | Flat loudspeaker structure | Chang-Ho Liou, Kuo-Hua Tseng | 2013-02-26 |
| 8322018 | Method of manufacturing speaker | Chang-Ho Liou, Wei-Chung Lee | 2012-12-04 |
| 8300859 | Speaker devices and methods of making the same | Wei Han | 2012-10-30 |
| 8280081 | Electrode connection structure of speaker unit | Yu-Min Lin, Chang-Ho Liou, Yu-Wei Huang, Rong-Shen Lee | 2012-10-02 |
| 8243966 | Assembly structure of a flat speaker | Yu-Min Lin, Chang-Ho Liou, Yu-Wei Huang, Rong-Shen Lee | 2012-08-14 |
| 8196282 | Methods of making speakers | Chang-Ho Liou | 2012-06-12 |
| 8155356 | Structure and manufacturing method of electrostatic speaker | Chang-Ho Liou | 2012-04-10 |
| 8139794 | Speaker devices | Chang-Ho Liou | 2012-03-20 |
| 8138034 | Flexible electret transducer assembly, speaker, and method for fabricating flexible electret transducer assembly | Wei Han | 2012-03-20 |
| 8126189 | Multi-directional flat speaker device | Chang-Ho Liou, Kuo-Hua Tseng | 2012-02-28 |
| 8107651 | Speaker structure | Chang-Ho Liou | 2012-01-31 |
| 8081784 | Electrostatic electroacoustic transducers | Chang-Ho Liou, Dar-Ming Chiang | 2011-12-20 |
| 7798881 | Electroluminescence display and method for manufacturing the same | Jih-Fon Huang | 2010-09-21 |
| 7608996 | Electroluminescence display and method for manufacturing the same | Jih-Fon Huang | 2009-10-27 |
| 7598771 | Level shifter for gate driver | Hung-Chun Chen, Ko-Yu Chiang, Chen-Pang Kung | 2009-10-06 |
| 7180492 | Scan driving circuit with single-type transistors | Jun-Ren Shih, Shang-Li Chen, Chun-Fu Chung | 2007-02-20 |
| 7081881 | Time-sharing multiplexing driving method and framework for image signal | Jan-Ruei Lin, Jun-Ren Shin, Chang-Cheng Lin | 2006-07-25 |
| 6778161 | Central symmetric gamma voltage correction circuit | Yuhren Shen | 2004-08-17 |