Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12212267 | Motor controller | — | 2025-01-28 |
| 12021475 | Motor controller | — | 2024-06-25 |
| 11699964 | Motor controller | — | 2023-07-11 |
| 11362607 | Motor unit | — | 2022-06-14 |
| 11336218 | Motor controller | — | 2022-05-17 |
| 11171585 | Motor controller | — | 2021-11-09 |
| 11101647 | Overvoltage protection circuit | Wei-Yu Chen | 2021-08-24 |
| 7279869 | PFM control circuit for DC regulator | Yung-Chih Chen, Ya-Der Tain | 2007-10-09 |
| 7180274 | Switching voltage regulator operating without a discontinuous mode | Tien-Tzu Chen | 2007-02-20 |
| 7176667 | Buck-boost voltage converter | Tien-Tzu Chen, Yu-Ming TSAI | 2007-02-13 |
| 7071665 | Method of reducing a ripple of a heavy loading pulse frequency modulated voltage regulator | Yung-Chih Chen, Rong-Chin Lee | 2006-07-04 |
| 7050914 | Current sensing circuit | Tien-Tzu Chen | 2006-05-23 |
| 7015663 | Brushless motor drive device | Feng-Rurng Juang, Chi-Yang Chen | 2006-03-21 |
| 7009857 | Soft-start charge pump circuit | Tien-Tzu Chen | 2006-03-07 |
| 6995603 | High efficiency charge pump with prevention from reverse current | Tien-Tzu Chen | 2006-02-07 |
| 6972548 | Pulse frequency modulated voltage regulator capable of prolonging a minimum off-time | Yung-Chih Chen, Rong-Chin Lee | 2005-12-06 |
| 6924611 | Brushless motor drive device | Feng-Rurng Juang, Chi-Yang Chen | 2005-08-02 |
| 6911867 | Error amplifier and DC-DC converter and the method thereof | Tien-Tzu Chen, Yung-Chih Chen | 2005-06-28 |
| 6903537 | Switching DC-to-DC converter with multiple output voltages | Tien-Tzu Chen, Chi-Yang Chen | 2005-06-07 |
| 6861830 | Method of improving transient noise of a switching DC-to-DC converter with multiple output voltages | Tien-Tzu Chen, Chi-Yang Chen | 2005-03-01 |
| 6791368 | Current sensing circuit and method of a high-speed driving stage | Tien-Tzu Chen | 2004-09-14 |
| 5867381 | Full-wave rectifying device having an amplitude modulation function | Kuan-Hsi Chen | 1999-02-02 |
| 5663759 | Feature processor for a digital camera | Chun-Hsien Horng, Pei-Hui Tung, Chen-Pang Kung | 1997-09-02 |
| 5499058 | Digital color encoder using triangular wave modulation | Chun-Hsien Horng | 1996-03-12 |