Cheng-Yi Lien

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Hsin-Chu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Optical touch apparatus having a light guide with scattering particles
- Patent number 8,884,923
- Issue date Nov 11, 2014
- Coretronic Corporation
- Chih-Jen Tsang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical touch apparatus having a light guide with scattering particles
- Patent number 8,537,138
- Issue date Sep 17, 2013
- Coretronic Corporation
- Chih-Jen Tsang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TOUCH APPARATUS AND OPTICAL TOUCH DISPLAY APPARATUS
- Publication number 20110122094
- Publication date May 26, 2011
- CORETRONIC CORPORATION
- Chih-Jen Tsang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL TOUCH APPARATUS
- Publication number 20110122097
- Publication date May 26, 2011
- CORETRONIC CORPORATION
- Chih-Jen Tsang
- G06 - COMPUTING CALCULATING COUNTING