Tseng; Chien-Hsiung
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tseng; Chien-Hsiung.The latest application filed is for "optical lens".
- Tseng; Chien-Hsiung - Hsinchu TW
- TSENG; CHIEN-HSIUNG - Hsinchu City TW
| Patent | Date |
|---|---|
| Optical lens Grant 11,391,925 - Chiu , et al. July 19, 2 | 2022-07-19 |
| Optical Lens App 20210333509 - Chiu; Wei-Ting ; et al. | 2021-10-28 |
| Optical image lens Grant 10,802,250 - Tseng , et al. October 13, 2 | 2020-10-13 |
| Wide-angle lens assembly Grant 10,690,887 - Tseng , et al. | 2020-06-23 |
| Optical Image Lens App 20200064593 - TSENG; CHIEN-HSIUNG ; et al. | 2020-02-27 |
| Wide-angle Lens Assembly App 20190339490 - TSENG; CHIEN-HSIUNG ; et al. | 2019-11-07 |
| Zoom lens Grant 10,146,030 - Cai , et al. De | 2018-12-04 |
| Fixed-focus projection lens Grant 9,857,572 - Tseng , et al. January 2, 2 | 2018-01-02 |
| Fixed-focus Projection Lens App 20170351068 - TSENG; CHIEN HSIUNG ; et al. | 2017-12-07 |
| Zoom Lens App 20160334609 - LEE; MING-LIN ; et al. | 2016-11-17 |
| Lens Module And Image Apzoom Lens App 20150323769 - Cai; Yuan-Long ; et al. | 2015-11-12 |
| Zoom Lens App 20150029596 - Cai; Yuan-Long ; et al. | 2015-01-29 |
| Fixed-focus lens Grant 8,373,935 - Tseng , et al. February 12, 2 | 2013-02-12 |
| Fixed-focus Lens App 20120081799 - Tseng; Chien-Hsiung ; et al. | 2012-04-05 |
| Zoom lens Grant 8,000,023 - Chou , et al. August 16, 2 | 2011-08-16 |
| Zoom Lens App 20110157710 - Chou; Yu-Hung ; et al. | 2011-06-30 |
| Fixed-focus lens Grant 7,859,770 - Su , et al. December 28, 2 | 2010-12-28 |
| Fixed-focus lens Grant 7,859,763 - Lu , et al. December 28, 2 | 2010-12-28 |
| Fixed-focus Lens App 20100265596 - Su; Yuan-Hung ; et al. | 2010-10-21 |
| Fixed-focus Lens App 20100259839 - Lu; Yi-Tien ; et al. | 2010-10-14 |
| Zoom lens Grant 7,643,220 - Chen , et al. January 5, 2 | 2010-01-05 |
| Zoom Lens App 20090015936 - Chen; Jung-Yao ; et al. | 2009-01-15 |
| Zoom lens Grant 7,450,320 - Kang , et al. November 11, 2 | 2008-11-11 |
| Zoom Lens App 20080094727 - Kang; Yi-Hao ; et al. | 2008-04-24 |
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.
| 