Ray-Chi CHANG

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Irvine, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-phase black level calibration method and system
- Patent number 8,218,038
- Issue date Jul 10, 2012
- Himax Imaging, Inc.
- Nguyen Dong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Generic provisioning of voice over internet protocol (VoIP)
- Patent number 8,134,999
- Issue date Mar 13, 2012
- Cisco Technology, Inc.
- Piu Piu Ong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Upstream bandwidth estimation
- Patent number 7,706,299
- Issue date Apr 27, 2010
- Cisco Technology, Inc.
- Ray Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MULTI-PHASE BLACK LEVEL CALIBRATION METHOD AND SYSTEM
- Publication number 20110141291
- Publication date Jun 16, 2011
- HIMAX IMAGING, INC.
- Nguyen DONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Generic provisioning of Voice Over Internet Protocol (VoIP)
- Publication number 20060221940
- Publication date Oct 5, 2006
- Piu Piu Ong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Upstream bandwidth estimation
- Publication number 20060077960
- Publication date Apr 13, 2006
- Ray Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE