Donghwan Ahn

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Cambridge, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical grating coupler
- Patent number 7,715,676
- Issue date May 11, 2010
- Intel Corporation
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Grant
Vertically-integrated waveguide photodetector apparatus and related...
- Patent number 7,305,157
- Issue date Dec 4, 2007
- Massachusetts Institute of Technology
- Donghwan Ahn
- G02 - OPTICS
Information Patent Grant
Integrated waveguide photodetector apparatus with matching propagat...
- Patent number 7,266,263
- Issue date Sep 4, 2007
- Massachusetts Institute of Technology
- Donghwan Ahn
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Optical grating coupler
- Patent number 7,146,074
- Issue date Dec 5, 2006
- Intel Corporation
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Grant
Optical grating coupler
- Patent number 7,065,271
- Issue date Jun 20, 2006
- Intel Corporation
- Jun-Fei Zheng
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Integrated waveguide photodetector apparatus with matching propagat...
- Publication number 20070104410
- Publication date May 10, 2007
- Massachusetts Institute of Technology
- Donghwan Ahn
- G02 - OPTICS
Information Patent Application
Vertically-integrated waveguide photodetector apparatus and related...
- Publication number 20070104411
- Publication date May 10, 2007
- Massachusetts Institute of Technology
- Donghwan Ahn
- G02 - OPTICS
Information Patent Application
Laterally-integrated waveguide photodetector apparatus and related...
- Publication number 20070104441
- Publication date May 10, 2007
- Massachusetts Institute of Technology
- Donghwan Ahn
- G02 - OPTICS
Information Patent Application
Optical grating coupler
- Publication number 20060233505
- Publication date Oct 19, 2006
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Application
Optical grating coupler
- Publication number 20040240788
- Publication date Dec 2, 2004
- Jun-Fei Zheng
- G02 - OPTICS
Information Patent Application
Optical grating coupler
- Publication number 20040081399
- Publication date Apr 29, 2004
- Jun-Fei Zheng
- G02 - OPTICS