Chi Fo Tsang

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Method to trim and smooth high index contrast waveguide structures
- Patent number 7,248,773
- Issue date Jul 24, 2007
- Agency for Science, Technology, and Research
- Chang Kuo Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method to trim and smooth high index contrast waveguide structures
- Patent number 7,162,133
- Issue date Jan 9, 2007
- Agency for Science Technology and Research
- Chang Kuo Chang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method to trim and smooth high index contrast waveguide structures
- Publication number 20070090089
- Publication date Apr 26, 2007
- Chang Kuo Chang
- G02 - OPTICS
Information Patent Application
Method to trim and smooth high index contrast waveguide structures
- Publication number 20060037364
- Publication date Feb 23, 2006
- Agency For Science, Technology and Research
- Chang Kuo Chang
- G02 - OPTICS