Chen; Tien-Tzu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chen; Tien-Tzu.The latest application filed is for "low ripple dc to dc power converter".
- Chen; Tien-Tzu - Hsinchu TW
- Chen; Tien-Tzu - Hsinchu City TW
- Chen; Tien-Tzu - Hsin-Chu TW
- Chen; Tien-Tzu - Hsin-Chu City TW
- Chen; Tien Tzu - Taipei TW
- Chen; Tien-Tzu - Tucheng City Taipei Hsien TW
- Chen, Tien-Tzu - Taipei City TW
- Chen; Tien-Tzu - Kaohsiung TW
| Patent | Date |
|---|---|
| LED dimming control circuit Grant 7,843,146 - Chang Chien , et al. November 30, 2 | 2010-11-30 |
| Led Dimming Control Circuit App 20090189546 - Chang Chien; Shang-Yu ; et al. | 2009-07-30 |
| Low Ripple Dc To Dc Power Converter App 20090189578 - Chen; Tien-Tzu ; et al. | 2009-07-30 |
| Reverse current preventing circuit and method Grant 7,498,791 - Chen March 3, 2 | 2009-03-03 |
| Initial voltage establishing circuit for a switching voltage converter Grant 7,474,544 - Chen January 6, 2 | 2009-01-06 |
| Switching voltage regulator with an improved range of input voltage Grant 7,339,360 - Chen , et al. March 4, 2 | 2008-03-04 |
| Reverse Current Preventing Circuit And Method App 20080012540 - CHEN; Tien-Tzu | 2008-01-17 |
| Initial Voltage Establishing Circuit For A Switching Voltage Converter App 20070290658 - CHEN; Tien-Tzu | 2007-12-20 |
| Switching Voltage Regulator With An Improved Range Of Input Voltage App 20070257643 - CHEN; Tien-Tzu ; et al. | 2007-11-08 |
| Charge pump drive circuit for a light emitting diode Grant 7,271,642 - Chen , et al. September 18, 2 | 2007-09-18 |
| Charge Pump Drive Circuit For A Light Emitting Diode App 20070146050 - Chen; Tien-Tzu ; et al. | 2007-06-28 |
| Switching voltage regulator operating without a discontinuous mode Grant 7,180,274 - Chen , et al. February 20, 2 | 2007-02-20 |
| Buck-boost voltage converter Grant 7,176,667 - Chen , et al. February 13, 2 | 2007-02-13 |
| Light loading control circuit for a buck-boost voltage converter Grant 7,157,888 - Chen , et al. January 2, 2 | 2007-01-02 |
| Buck-boost Voltage Converter App 20060284606 - CHEN; Tien-Tzu ; et al. | 2006-12-21 |
| Light Loading Control Circuit For A Buck-boost Voltage Converter App 20060273768 - Chen; Tien-Tzu ; et al. | 2006-12-07 |
| Drive circuit for a switching element Grant 7,123,060 - Chen , et al. October 17, 2 | 2006-10-17 |
| Drive Circuit For A Switching Element App 20060220698 - CHEN; Tien-Tzu ; et al. | 2006-10-05 |
| Linear voltage regulator with selectable light and heavy load paths Grant 7,106,032 - Chen , et al. September 12, 2 | 2006-09-12 |
| High-efficiency Linear Voltage Regulator App 20060170401 - CHEN; Tien-Tzu ; et al. | 2006-08-03 |
| Switching Voltage Regulator Operating Without A Discontinuous Mode App 20060125454 - Chen; Tien-Tzu ; et al. | 2006-06-15 |
| Current sensing circuit Grant 7,050,914 - Tzeng , et al. May 23, 2 | 2006-05-23 |
| Current Sensing Circuit App 20060089814 - Tzeng; Guang-Nan ; et al. | 2006-04-27 |
| Soft-start charge pump circuit Grant 7,009,857 - Chen , et al. March 7, 2 | 2006-03-07 |
| High efficiency charge pump with prevention from reverse current Grant 6,995,603 - Chen , et al. February 7, 2 | 2006-02-07 |
| High Efficiency Charge Pump With Prevention From Reverse Current App 20050195017 - CHEN, Tien-Tzu ; et al. | 2005-09-08 |
| Soft-start Charge Pump Circuit App 20050174815 - CHEN, Tien-Tzu ; et al. | 2005-08-11 |
| Error amplifier and DC-DC converter and the method thereof Grant 6,911,867 - Tzeng , et al. June 28, 2 | 2005-06-28 |
| Switching DC-to-DC converter with multiple output voltages Grant 6,903,537 - Tzeng , et al. June 7, 2 | 2005-06-07 |
| Memory card with a static electricity conducting board Grant 6,903,935 - Chen June 7, 2 | 2005-06-07 |
| Switching Dc-to-dc Converter With Multiple Output Voltages App 20050088151 - Tzeng, Guang-Nan ; et al. | 2005-04-28 |
| Method of improving transient noise of a switching DC-to-DC converter with multiple output voltages Grant 6,861,830 - Tzeng , et al. March 1, 2 | 2005-03-01 |
| Current sensing circuit and method of a high-speed driving stage Grant 6,791,368 - Tzeng , et al. September 14, 2 | 2004-09-14 |
| Error amplifier and DC-DC converter and the method thereof App 20040160270 - Tzeng, Guang-Nan ; et al. | 2004-08-19 |
| Current sensing circuit and method of a high-speed driving stage App 20040130359 - Tzeng, Guang-Nan ; et al. | 2004-07-08 |
| Camera strobe recharging integrated circuit Grant 6,724,989 - Lin , et al. April 20, 2 | 2004-04-20 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 