Jih-Ching Chang

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Hsin-Chu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Projector and light source module
- Patent number 10,469,809
- Issue date Nov 5, 2019
- Coretronic Corporation
- Wen-Hao Chu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Distributed automatic notification method for abnormality in remote...
- Patent number 9,728,075
- Issue date Aug 8, 2017
- National Applied Research Laboratories
- Yun-Te Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lamp position adjustment device
- Patent number 8,833,973
- Issue date Sep 16, 2014
- Coretronic Corporation
- Jung-Chi Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Lamp and optical projector
- Patent number 8,172,405
- Issue date May 8, 2012
- Young Green Energy Co.
- Wei-Cheng Lo
- F21 - LIGHTING
Information Patent Grant
Projection method with real object projector
- Patent number 6,913,359
- Issue date Jul 5, 2005
- Microtek International Inc.
- Jih-Ching Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Real object projector
- Patent number 6,814,447
- Issue date Nov 9, 2004
- Microtek International Inc.
- Jih-Ching Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Projector and Light Source Module
- Publication number 20190068932
- Publication date Feb 28, 2019
- Coretronic Corporation
- Wen-Hao Chu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISTRIBUTED AUTOMATIC NOTIFICATION METHOD FOR ABNORMALITY IN REMOTE...
- Publication number 20160314590
- Publication date Oct 27, 2016
- NATIONAL APPLIED RESEARCH LABORATORIES
- YUN-TE LIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LAMP POSITION ADJUSTMENT DEVICE
- Publication number 20100097816
- Publication date Apr 22, 2010
- Jung-Chi CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lamp and Optical Projector
- Publication number 20100079732
- Publication date Apr 1, 2010
- Wei-Cheng LO
- F21 - LIGHTING
Information Patent Application
Projection method with real object projector
- Publication number 20050057725
- Publication date Mar 17, 2005
- Jih-Ching Chang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Modified structure of projector
- Publication number 20040165389
- Publication date Aug 26, 2004
- Jih-Ching Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE