CORNERSTONE OPTICAL CO., LTD.

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Chia Yi County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Color contrast enhancing sunglass lens
- Patent number 8,733,929
- Issue date May 27, 2014
- Cornerstone Optical Co., Ltd.
- Michael Chiou
- G02 - OPTICS
Information Patent Grant
Aliphatic polyesterpolyol-based urethane methacrylate edge coated g...
- Patent number 8,083,349
- Issue date Dec 27, 2011
- Cornerstone Optical Co., Ltd.
- Christopher Ho
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
COLOR CONTRAST ENHANCING SUNGLASS LENS
- Publication number 20130271725
- Publication date Oct 17, 2013
- CORNERSTONE OPTICAL CO., LTD.
- Michael Chiou
- G02 - OPTICS

Trademarklast 30 trademarks

Information Trademark
86623913 - EPICLENS
- Serial number 86623913
- Registration number 5530568
- Filing date May 8, 2015
- CORNERSTONE OPTICAL CO., LTD.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments