Chuang; Keng-Han
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chuang; Keng-Han.The latest application filed is for "three-dimensional printing apparatus and three-dimensional printing method".
- Chuang; Keng-Han - Hsinchu TW
- Chuang; Keng-Han - Hsin-Chu TW
- CHUANG; Keng-Han - Hsinchu City TW
- Chuang, Keng-Han - Hsin-Chu City TW
| Patent | Date |
|---|---|
| Three-dimensional Printing Apparatus And Three-dimensional Printing Method App 20200215812 - Chen; Chao-Shun ; et al. | 2020-07-09 |
| Three-dimensional printing apparatus and three-dimensional printing method Grant 10,625,497 - Chen , et al. | 2020-04-21 |
| Three-dimensional Printing Apparatus And Three-dimensional Printing Method App 20170113406 - Chen; Chao-Shun ; et al. | 2017-04-27 |
| Scanning Method for Touch Panel App 20150253921 - Pan; Ren-Jie ; et al. | 2015-09-10 |
| Illumination system, projection device and illumination method Grant 9,046,745 - Chuang , et al. June 2, 2 | 2015-06-02 |
| Illumination System, Projection Device And Illumination Method App 20140055754 - Chuang; Keng-Han ; et al. | 2014-02-27 |
| Optical touch system Grant 8,654,102 - Chuang , et al. February 18, 2 | 2014-02-18 |
| Light combination device Grant 8,414,159 - Hsu , et al. April 9, 2 | 2013-04-09 |
| Light Combination Device App 20110199763 - HSU; Chun-Fa ; et al. | 2011-08-18 |
| Optical Touch System App 20110090177 - Chuang; Keng-Han ; et al. | 2011-04-21 |
| Illumination system having coherent light source and integrator rotatable transverse the illumination axis Grant 7,905,631 - Chen , et al. March 15, 2 | 2011-03-15 |
| Illumination system Grant 7,859,761 - Chen , et al. December 28, 2 | 2010-12-28 |
| Illumination system Grant 7,857,456 - Liao , et al. December 28, 2 | 2010-12-28 |
| Optical Module App 20090021829 - Chen; Sung-Nan ; et al. | 2009-01-22 |
| Illumination System App 20090016061 - Chen; Sung-Nan ; et al. | 2009-01-15 |
| Illumination System App 20080252854 - Liao; Long-Sheng ; et al. | 2008-10-16 |
| Illumination System App 20080239447 - Chen; Yi-Hsueh ; et al. | 2008-10-02 |
| Illumination System And Projection Apparatus App 20070291484 - Chen; Sung-Nan ; et al. | 2007-12-20 |
| Illumination System And Projection Apparatus App 20070242231 - Chen; Sung-Nan ; et al. | 2007-10-18 |
| Optical system for projection display apparatus Grant 7,080,908 - Liao , et al. July 25, 2 | 2006-07-25 |
| Optical Projection Apparatus App 20060092388 - Liao; Chia-Chen ; et al. | 2006-05-04 |
| Optical system for projection display Grant 6,834,967 - Liao , et al. December 28, 2 | 2004-12-28 |
| Optical System For Projection Display App 20040109146 - Liao, Chia-Chen ; et al. | 2004-06-10 |
| Optical system for projection display apparatus App 20040042098 - Liao, Chia-Chen ; et al. | 2004-03-04 |
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.
| 