Serge Grabtchak

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Orleans, CA

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Patents Grantslast 30 patents

Information Patent Grant
Planar waveguide structure with tightly curved waveguides
- Patent number 7,609,931
- Issue date Oct 27, 2009
- Enablence, Inc.
- Yury Logvin
- G02 - OPTICS
Information Patent Grant
Planar waveguide structure with polarization compensation
- Patent number 7,020,371
- Issue date Mar 28, 2006
- MetroPhotonics Inc.
- Yury Logvin
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Planar waveguide structure with tightly curved waveguides
- Publication number 20070031083
- Publication date Feb 8, 2007
- Yury Logvin
- G02 - OPTICS
Information Patent Application
Planar waveguide structure with polarization compensation
- Publication number 20040234223
- Publication date Nov 25, 2004
- Yury Logvin
- G02 - OPTICS
Information Patent Application
Planar waveguide structure with tightly curved waveguides
- Publication number 20040208465
- Publication date Oct 21, 2004
- Yury Logvin
- G02 - OPTICS