Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12134021 | Striking practice device | Chun-An Lin | 2024-11-05 |
| 12038167 | Lamp structure of umbrella | Shun-Jung Chen, Sun-Feng Sung | 2024-07-16 |
| 8472643 | Power amplifier and method for restraining power of improved power amplifier | Shang-Shu Chung, Tung-Sheng Ku | 2013-06-25 |
| 8330538 | Self-oscillating audio amplifier and method for restraining the improved self-oscillating audio amplifier | Shang-Shu Chung, Tung-Sheng Ku | 2012-12-11 |
| 8249272 | Audio playback apparatus | Shang-Shu Chung, Ming-Chung Li | 2012-08-21 |
| 8170217 | Audio signal processing apparatus | Shang-Shu Chung, Ming-Chung Li | 2012-05-01 |
| 8144880 | Audio amplifier capable of performing self-oscillation | Shang-Shu Chung, Ming-Chung Li | 2012-03-27 |
| 7999610 | Class D amplifier capable of setting restraint power | Shang-Shu Chung, Tung-Sheng Ku | 2011-08-16 |
| 7944297 | Class D amplifier | Shang-Shu Chung, Tung-Sheng Ku | 2011-05-17 |
| 7855597 | Class-D amplifier | Shang-Shu Chung, Tung-Sheng Ku | 2010-12-21 |
| 7852156 | Class-D power amplifier having distortion-suppressing function | Shang-Shu Chung, Tung-Sheng Ku | 2010-12-14 |
| 7844061 | Speaker system of utilizing pulse width modulation signals for saving idling power consumption | Shang-Shu Chung, Ming-Chung Li | 2010-11-30 |
| 7420422 | Audio amplifier driven by single voltage source and related voltage supply circuit | Shang-Shu Chung, Ming-Chung Li | 2008-09-02 |
| 7209003 | Asynchronous BTL design for a Class-D audio amplifier | Shang-Shu Chung | 2007-04-24 |
| 5876236 | Lamp socket with a water sealing and electric leakage preventing structure | — | 1999-03-02 |
| 5775933 | Structure of lamp socket | — | 1998-07-07 |
| 5759062 | Lamp socket with water seal means for X'mas tree light set | — | 1998-06-02 |
| 5743757 | Lamp socket with water sealing means | — | 1998-04-28 |
| 5702267 | Structure of lamp socket | — | 1997-12-30 |
| 5634812 | Safety lamp socket | — | 1997-06-03 |
| 5595493 | Safety lamp socket | — | 1997-01-21 |
| 5573419 | Safety lampholder for Christmas tree light sets and the like | — | 1996-11-12 |
| 5474467 | Lamp socket | — | 1995-12-12 |
| 5121435 | Acoustic control circuit for frequency control of the flashing of Christmas light sets | — | 1992-06-09 |
| 5096757 | Structure of packing rubber for vehicular door frame upper trim | — | 1992-03-17 |