Yu Zheng

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Cupertino, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wavelength division multiplexed coupler
- Patent number 6,185,347
- Issue date Feb 6, 2001
- Yu Zheng
- G02 - OPTICS
Information Patent Grant
Dual fiber optical collimator
- Patent number 6,148,126
- Issue date Nov 14, 2000
- Yu Zheng
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Collapsible structures supported on a pole
- Publication number 20110154704
- Publication date Jun 30, 2011
- Yu Zheng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Collapsible structures supported on a pole
- Publication number 20090078381
- Publication date Mar 26, 2009
- Yu Zheng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Interactive system
- Publication number 20080032275
- Publication date Feb 7, 2008
- Yu Zheng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Interactive system
- Publication number 20080032276
- Publication date Feb 7, 2008
- Yu Zheng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Collapsible structures supported on a pole
- Publication number 20060107574
- Publication date May 25, 2006
- Yu Zheng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Collapsible structures supported on a pole
- Publication number 20040244249
- Publication date Dec 9, 2004
- Yu Zheng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Free-space optical isolator
- Publication number 20030214714
- Publication date Nov 20, 2003
- Yu Zheng
- G02 - OPTICS