Cao; Qing-Shan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cao; Qing-Shan.The latest application filed is for "illumination device".
- Cao; Qing-Shan - Shenzhen N/A CN
- CAO; QING-SHAN - Shenzhen City CN
- CAO; QING-SHAN - Shenzhen Cit CN
| Patent | Date |
|---|---|
| Light tube holder for receiving LED tube or fluorescent tube Grant 8,636,377 - Cao , et al. January 28, 2 | 2014-01-28 |
| Lamp tube switch circuit Grant 8,604,706 - Cao , et al. December 10, 2 | 2013-12-10 |
| Lamp tube switching circuit Grant 8,604,721 - Cao , et al. December 10, 2 | 2013-12-10 |
| Lamp tube switch circuit and method thereof Grant 8,604,715 - Cao , et al. December 10, 2 | 2013-12-10 |
| Illumination device Grant 8,561,340 - Cao , et al. October 22, 2 | 2013-10-22 |
| Two-color mixing LED illuminating device Grant 8,523,405 - Chang , et al. September 3, 2 | 2013-09-03 |
| Illuminating system,universal lamp holder and LED lamp Grant 8,459,829 - Cao , et al. June 11, 2 | 2013-06-11 |
| LED illuminating device Grant 8,408,750 - Chang , et al. April 2, 2 | 2013-04-02 |
| Illumination device Grant 8,403,692 - Cao , et al. March 26, 2 | 2013-03-26 |
| Illumination device with a connector having a retainer with a rotary member and a starter and a swich and elastic pieces Grant 8,382,502 - Cao , et al. February 26, 2 | 2013-02-26 |
| Illumination device with a connector having a retainer with a rotary member and elastic pieces Grant 8,371,867 - Cao , et al. February 12, 2 | 2013-02-12 |
| Illumination device with a connector having a retainer with a rotary member and four elastic pieces Grant 8,371,868 - Cao , et al. February 12, 2 | 2013-02-12 |
| Illumination device with a connector having a retainer with a rotary member Grant 8,366,467 - Cao , et al. February 5, 2 | 2013-02-05 |
| Lamp Tube Switching Circuit App 20130002152 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Illumination Device App 20130002171 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Lamp Tube Switch Circuit App 20130002150 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Lamp Tube Switch Circuit And Method Thereof App 20130002151 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Illumination Device App 20130002170 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Illumination Device App 20130003367 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Illumination Device App 20130003364 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Illumination Device App 20130003365 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Illumination Device App 20130003366 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Light Tube Holder App 20130003380 - CAO; QING-SHAN ; et al. | 2013-01-03 |
| Electrical receptacle terminal Grant 8,317,550 - Cao , et al. November 27, 2 | 2012-11-27 |
| Led Illuminating Device App 20120161628 - CHANG; SHAO-HAN ; et al. | 2012-06-28 |
| Led Illuminating Device App 20120161627 - CHANG; SHAO-HAN ; et al. | 2012-06-28 |
| Two-color Mixing Led Illuminating Device App 20120075847 - CHANG; SHAO-HAN ; et al. | 2012-03-29 |
| Electrical Receptacle Terminal App 20120071036 - CAO; QING-SHAN ; et al. | 2012-03-22 |
| Illuminating System,universal Lamp Holder And Led Lamp App 20110188238 - CAO; QING-SHAN ; et al. | 2011-08-04 |
| Reflective display device testing system, apparatus, and method Grant 7,791,717 - Cao , et al. September 7, 2 | 2010-09-07 |
| Reflective Display Device Testing System, Apparatus, And Method App 20070276615 - Cao; Qing-Shan ; et al. | 2007-11-29 |
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