Hongmin Chen

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Acton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Stable high efficiency multiple wavelength laser sources
- Patent number 7,031,354
- Issue date Apr 18, 2006
- Optovia Corporation
- Hsing Cheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High efficiency single and multiple wavelength stabilized systems
- Patent number 7,031,355
- Issue date Apr 18, 2006
- Optovia Corporation
- Hamid R. Khazaei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single and multiple wavelength reflection and transmission filter a...
- Patent number 6,975,797
- Issue date Dec 13, 2005
- Optovia Corporation
- Hongmin Chen
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
High efficiency single and multiple wavelength stabilized systems
- Publication number 20050175046
- Publication date Aug 11, 2005
- Hamid R. Khazaei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Single and multiple wavelength reflection and transmission filter a...
- Publication number 20050175288
- Publication date Aug 11, 2005
- Hongmin Chen
- G02 - OPTICS
Information Patent Application
Stable high efficiency multiple wavelength laser sources
- Publication number 20050175047
- Publication date Aug 11, 2005
- Hsing Cheng
- H01 - BASIC ELECTRIC ELEMENTS