Wu; Chen-Feng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wu; Chen-Feng.The latest application filed is for "switchable high and low magnification lightweight microscope lens structure".
- Wu; Chen-Feng - Taipei TW
- Wu; Chen-Feng - Taipei City TW
- Wu; Chen-Feng - Taoyuan Hsien TW
- Wu; Chen-Feng - Taoyuan TW
- Wu; Chen-Feng - Pa Te TW
- Wu, Chen-Feng - Taoyuan County TW
- Wu, Chen-Feng - Pa Te City TW
- Wu; Chen-Feng - Bade TW
- Wu; Chen-Feng - Taoyuan Sien TW
- Wu, Chen-Feng - Bade City TW
| Patent | Date |
|---|---|
| Switchable high and low magnification lightweight microscope lens structure Grant 9,316,823 - Wu April 19, 2 | 2016-04-19 |
| Switchable High And Low Magnification Lightweight Microscope Lens Structure App 20150116821 - Wu; Chen-Feng | 2015-04-30 |
| Adjustable and replaceable lens structure for portable electronic devices Grant 8,885,271 - Wu November 11, 2 | 2014-11-11 |
| Portable high-power microscope magnification lens structure Grant 8,817,395 - Wu August 26, 2 | 2014-08-26 |
| Adjustable And Replaceable Lens Structure For Portable Electronic Devices App 20140192426 - Wu; Chen-Feng | 2014-07-10 |
| Portable High-power Microscope Magnification Lens Structure App 20140146396 - Wu; Chen-Feng | 2014-05-29 |
| Magnetic Device Having Thermally-conductive Bobbin App 20130293330 - Wu; Chen-Feng ; et al. | 2013-11-07 |
| Transformer and core set thereof Grant 7,528,694 - Tseng , et al. May 5, 2 | 2009-05-05 |
| Transformer And Insulating Cover Thereof App 20080297296 - TENG; Hui-Hua ; et al. | 2008-12-04 |
| Inductor Grant 7,446,642 - Fang , et al. November 4, 2 | 2008-11-04 |
| Electromagnetic interference filter Grant 7,414,511 - Wu , et al. August 19, 2 | 2008-08-19 |
| Transformer with insulating structure App 20080024262 - Chang; Yuan-Ming ; et al. | 2008-01-31 |
| Inductor App 20080024263 - Fang; Jung-Chan ; et al. | 2008-01-31 |
| Transformer and core set thereof App 20070216511 - Tseng; Hsiang-Yi ; et al. | 2007-09-20 |
| Ignition coil Grant 7,193,497 - Yeh , et al. March 20, 2 | 2007-03-20 |
| Electromagnetic interference filter App 20060082948 - Wu; Chen-Feng ; et al. | 2006-04-20 |
| Inverter transformer and core structure thereof Grant 7,015,785 - Wu , et al. March 21, 2 | 2006-03-21 |
| Structure of speaker App 20050123166 - Chen, Lee-Long ; et al. | 2005-06-09 |
| Transformer App 20050073385 - Wu, Chen-Feng ; et al. | 2005-04-07 |
| Pump App 20050063841 - Chen, Lee-Long ; et al. | 2005-03-24 |
| Inverter transformer and core structure thereof App 20040196131 - Wu, Chen-Feng ; et al. | 2004-10-07 |
| Ignition coil App 20040145438 - Yeh, Ming ; et al. | 2004-07-29 |
| Ignition coil Grant 6,734,774 - Yeh , et al. May 11, 2 | 2004-05-11 |
| Transformer with improved insulation Grant 6,734,777 - Yeh , et al. May 11, 2 | 2004-05-11 |
| Wire-winding structure and method for a transformer Grant 6,661,326 - Yeh , et al. December 9, 2 | 2003-12-09 |
| Embedded transformer Grant 6,587,026 - Yeh , et al. July 1, 2 | 2003-07-01 |
| Wire-winding structure and method for a transformer App 20020145498 - Yeh, Ming ; et al. | 2002-10-10 |
| Transformer with improved insulation App 20020145497 - Yeh, Ming ; et al. | 2002-10-10 |
| Transformer bobbin App 20020075115 - Yeh, Ming ; et al. | 2002-06-20 |
| Embedded transformer App 20020075120 - Yeh, Ming ; et al. | 2002-06-20 |
| Bobbin for a transformer App 20020070832 - Yeh, Ming ; et al. | 2002-06-13 |
| Ignition coil App 20020050904 - Yeh, Ming ; et al. | 2002-05-02 |
| Method for adjusting the inductance of an inductor App 20020021202 - Yeh, Ming ; et al. | 2002-02-21 |
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.
| 