Cheng; Yi-Kai
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheng; Yi-Kai.The latest application filed is for "indicating device".
- Cheng; Yi-Kai - Taipei TW
- CHENG; YI-KAI - Taipei City TW
- Cheng; Yi-Kai - Hsinchu TW
- Cheng; Yi-Kai - Zhongshan District TW
- Cheng; Yi-Kai - Miao-Li Hsien TW
- CHENG; YI-KAI - Chu-Nan TW
- Cheng; Yi -Kai - Tainan County TW
- Cheng; Yi-Kai - Tainan Hsien TW
| Patent | Date |
|---|---|
| Illuminated sign with compartmented portion Grant 10,008,137 - Cheng , et al. June 26, 2 | 2018-06-26 |
| Indicating Device App 20160273732 - CHENG; YI-KAI ; et al. | 2016-09-22 |
| Signal Light App 20160215957 - CHANG; KUO-HUI ; et al. | 2016-07-28 |
| Light Assembly App 20160153618 - CHENG; Yi-Kai ; et al. | 2016-06-02 |
| Optical measuring apparatus and optical measuring method Grant 9,182,340 - Kao , et al. November 10, 2 | 2015-11-10 |
| Traffic signal light device Grant 8,833,978 - Wu , et al. September 16, 2 | 2014-09-16 |
| Optical Measuring Apparatus And Optical Measuring Method App 20140118743 - Kao; Yu-Jin ; et al. | 2014-05-01 |
| LED luminaire light redirection shield Grant 8,511,865 - Tu , et al. August 20, 2 | 2013-08-20 |
| Traffic Signal Light Device App 20130107540 - WU; Chen-Ho ; et al. | 2013-05-02 |
| Optical lens and illuminating device incorporating the same Grant 8,262,272 - Cheng , et al. September 11, 2 | 2012-09-11 |
| LED Luminaire Light Redirection Shield App 20120008320 - Tu; Chin-Wang ; et al. | 2012-01-12 |
| Illuminating device Grant 8,047,676 - Cheng , et al. November 1, 2 | 2011-11-01 |
| Optical lens and illuminating device incorporating the same Grant 8,047,699 - Cheng , et al. November 1, 2 | 2011-11-01 |
| Illuminating device incorporating optical lens Grant 8,016,459 - Cheng , et al. September 13, 2 | 2011-09-13 |
| Illuminating device with adjustable illumination range Grant 7,988,334 - Cheng , et al. August 2, 2 | 2011-08-02 |
| Optical lens and illuminating device incorporating the same Grant 7,988,328 - Cheng , et al. August 2, 2 | 2011-08-02 |
| Optical lens and illuminating device incorporating the same Grant 7,950,825 - Cheng , et al. May 31, 2 | 2011-05-31 |
| Optical Lens And Illuminating Device Incorporating The Same App 20100254136 - CHENG; YI-KAI ; et al. | 2010-10-07 |
| Illuminating Device Incorporating Optical Lens App 20100254137 - CHENG; YI-KAI ; et al. | 2010-10-07 |
| Optical Lens And Illuminating Device Incorporating The Same App 20100246192 - CHENG; YI-KAI ; et al. | 2010-09-30 |
| Optical Lens And Illuminating Device Incorporating The Same App 20100238668 - CHENG; YI-KAI ; et al. | 2010-09-23 |
| Lamp cover and illumination lamp having same Grant 7,794,117 - Cheng , et al. September 14, 2 | 2010-09-14 |
| Lampshade and illumination lamp having the same Grant 7,753,564 - Cheng , et al. July 13, 2 | 2010-07-13 |
| Optical lens Grant D611,077 - Chern , et al. March 2, 2 | 2010-03-02 |
| Optical lens Grant D610,599 - Cheng , et al. February 23, 2 | 2010-02-23 |
| Illuminating Device App 20100039812 - CHENG; YI-KAI ; et al. | 2010-02-18 |
| Optical lens Grant D609,260 - Chern , et al. February 2, 2 | 2010-02-02 |
| Optical lens Grant D608,806 - Chern , et al. January 26, 2 | 2010-01-26 |
| Optical lens Grant D608,808 - Cheng , et al. January 26, 2 | 2010-01-26 |
| Optical lens Grant D608,807 - Chern , et al. January 26, 2 | 2010-01-26 |
| Illuminating Device With Heat Dissipating Element App 20100014287 - CHIANG; KUO-FENG ; et al. | 2010-01-21 |
| Projector App 20100002153 - Chern; Jyh-Long ; et al. | 2010-01-07 |
| Projector Grant 7,611,250 - Chern , et al. November 3, 2 | 2009-11-03 |
| Illuminating Device With Adjustable Illumination Range App 20090207614 - Cheng; Yi-Kai ; et al. | 2009-08-20 |
| Lamp Cover And Illumination Lamp Having Same App 20090154158 - Cheng; Yi-Kai ; et al. | 2009-06-18 |
| Optical Lens And Illuminating Device Incorporating The Same App 20090109667 - Cheng; Yi-Kai ; et al. | 2009-04-30 |
| Lampshade And Illumination Lamp Having The Same App 20090109686 - CHENG; YI-KAI ; et al. | 2009-04-30 |
| Projector App 20070097339 - Chern; Jyh-Long ; et al. | 2007-05-03 |
| Waveguide Device For Planar Display Device And Related Planar Display Device App 20070081783 - Chen; Jyh-Long ; et al. | 2007-04-12 |
| Circular display device with a projective light source Grant 7,123,811 - Chen , et al. October 17, 2 | 2006-10-17 |
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.
| 