Lien-Fu CHENG

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Hsinchu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Interactive projection apparatus and touch position determining met...
- Patent number 10,379,675
- Issue date Aug 13, 2019
- Coretronic Corporation
- Cheng-Shen Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of viewing document file and projecting the document file by...
- Patent number 9,135,222
- Issue date Sep 15, 2015
- Coretronic Corporation
- Lien-Fu Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Key module having light-indicating functionality and a method for c...
- Patent number 8,174,304
- Issue date May 8, 2012
- Coretronic Corporation
- Lien-Fu Cheng
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Protection system for display apparatus and method thereof
- Patent number 8,176,548
- Issue date May 8, 2012
- Coretronic Corporation
- Chao-Wang Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector and projector circuit board thereof
- Patent number 7,883,215
- Issue date Feb 8, 2011
- Coretronic Corporation
- Chin-Tsao Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
INTERACTIVE PROJECTION APPARATUS AND TOUCH POSITION DETERMINING MET...
- Publication number 20150261383
- Publication date Sep 17, 2015
- CORETRONIC CORPORATION
- Cheng-Shen Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF VIEWING DOCUMENT FILE AND PROJECTION APPARATUS USING THE...
- Publication number 20130024182
- Publication date Jan 24, 2013
- CORETRONIC CORPORATION
- Lien-Fu Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROJECTOR AND PROJECTOR CIRCUIT BOARD THEREOF
- Publication number 20090046256
- Publication date Feb 19, 2009
- Coretronic Corporation
- Chin-Tsao Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
KEY MODULE HAVING LIGHT-INDICATING FUNCTIONALITY AND A METHOD FOR C...
- Publication number 20080224638
- Publication date Sep 18, 2008
- Coretronic Corporation
- Lien-Fu CHENG
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PROTECTION SYSTEM FOR DISPLAY APPARATUS AND METHOD THEREOF
- Publication number 20080104717
- Publication date May 1, 2008
- Coretronic Corporation
- Chao-Wang Wu
- G06 - COMPUTING CALCULATING COUNTING