Phil A. Willems

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Pasedena, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Grating assisted coupler devices
- Patent number 6,578,388
- Issue date Jun 17, 2003
- Arroyo Optics Inc.
- Anthony S. Kewitsch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods of fabricating grating assisted coupler devices
- Patent number 6,465,153
- Issue date Oct 15, 2002
- Arroyo Optics, Inc.
- Anthony S. Kewitsch
- G02 - OPTICS
Information Patent Grant
Grating assisted coupler devices
- Patent number 6,236,782
- Issue date May 22, 2001
- Arroyo Optics, Inc.
- Anthony S. Kewitsch
- G02 - OPTICS
Information Patent Grant
Methods of fabricating grating assisted coupler devices
- Patent number 6,169,830
- Issue date Jan 2, 2001
- Arroyo Optics, Inc.
- Anthony S. Kewitsch
- G02 - OPTICS