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Michael R. Matthews
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St. Paul, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Coating impedance monitoring system
Patent number
7,477,060
Issue date
Jan 13, 2009
3M Innovative Properties Company
Steven Y. Yu
G01 - MEASURING TESTING
Information
Patent Grant
Tunable talbot interferometers for fiber bragg grating writing
Patent number
6,915,044
Issue date
Jul 5, 2005
3M Innovative Properties Company
Michael R. Matthews
G02 - OPTICS
Information
Patent Grant
Quality review method for optical components using a fast system pe...
Patent number
6,781,698
Issue date
Aug 24, 2004
3M Innovative Properties Company
Xudong Fan
G01 - MEASURING TESTING
Information
Patent Grant
Wide-bandwidth chirped fiber bragg gratings with low delay ripple a...
Patent number
6,741,773
Issue date
May 25, 2004
3M Innovative Properties Company
James F. Brennan
G02 - OPTICS
Information
Patent Grant
Wide-bandwidth chirped fiber Bragg gratings with low delay ripple a...
Patent number
6,577,792
Issue date
Jun 10, 2003
3M Innovative Properties Company
James F. Brennen
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Detection system
Publication number
20070144272
Publication date
Jun 28, 2007
Steven Y. Yu
G01 - MEASURING TESTING
Information
Patent Application
TUNABLE TALBOT INTERFEROMETERS FOR FIBER BRAGG GRATING WRITING
Publication number
20050012933
Publication date
Jan 20, 2005
3M Innovative Properties Company
Michael R. Matthews
G02 - OPTICS
Information
Patent Application
Method and apparatus for alignment of a polarization maintaining op...
Publication number
20040197042
Publication date
Oct 7, 2004
Michael R. Matthews
G02 - OPTICS
Information
Patent Application
Wide-bandwidth chirped fiber bragg gratings with low delay ripple a...
Publication number
20030133659
Publication date
Jul 17, 2003
3M Innovative Properties Company
James F. Brennan
G02 - OPTICS
Information
Patent Application
Quality review method for optical components using a fast system pe...
Publication number
20030063286
Publication date
Apr 3, 2003
Xudong Fan
G01 - MEASURING TESTING
Information
Patent Application
Optical devices using shaped optical fibers and methods for making...
Publication number
20030059195
Publication date
Mar 27, 2003
James F. Brennan
G02 - OPTICS
Information
Patent Application
Quality review method for optical components using a fast system pe...
Publication number
20030053070
Publication date
Mar 20, 2003
3M Innovative Properties Company
Xudong Fan
G01 - MEASURING TESTING
Information
Patent Application
Wide-bandwidth chirped fiber bragg gratings with low delay ripple a...
Publication number
20020164121
Publication date
Nov 7, 2002
3M Innovative Properties Company
James F. Brennan
G02 - OPTICS