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Brian D. Guenther
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Lincoln, NE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Reflectometer, spectrophotometer, ellipsometer and polarimeter syst...
Patent number
11,675,208
Issue date
Jun 13, 2023
J. A. Woollam Co., Inc.
Stefan Schoeche
G01 - MEASURING TESTING
Information
Patent Grant
Ellipsometer or polarimeter system having at least one rotating ele...
Patent number
10,775,298
Issue date
Sep 15, 2020
J.A. WOOLLAM CO., INC.
Christopher D. Hassler
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
In line ellipsometer system and method of use
Patent number
9,347,768
Issue date
May 24, 2016
J. A. Woollam Co., Inc.
Galen L. Pfeiffer
G01 - MEASURING TESTING
Information
Patent Grant
Beam chromatic shifting and directing means
Patent number
7,535,566
Issue date
May 19, 2009
J. A. Woollam Co., Inc.
Blaine D. Johs
G01 - MEASURING TESTING
Information
Patent Grant
Spectrophotometer, ellipsometer, polarimeter and the like systems
Patent number
7,327,456
Issue date
Feb 5, 2008
J. A. Woollam Co., Inc.
John A. Woollam
G01 - MEASURING TESTING
Information
Patent Grant
Sample entry purge system in spectrophotometer, ellipsometer, polar...
Patent number
7,274,450
Issue date
Sep 25, 2007
J. A. Woollam Co., Inc.
Steven E. Green
G01 - MEASURING TESTING
Information
Patent Grant
Alignment of ellipsometer beam to sample surface
Patent number
7,136,162
Issue date
Nov 14, 2006
J. A. Woollam Co., Inc.
Martin M. Liphardt
G01 - MEASURING TESTING
Information
Patent Grant
Spectrophotometer, ellipsometer, polarimeter and the like systems
Patent number
6,982,792
Issue date
Jan 3, 2006
J. A. Woollam Co. Inc.
John A. Woollam
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Reflectometer, spectrophotometer, ellipsometer and polarimeter syst...
Publication number
20220244169
Publication date
Aug 4, 2022
J. A. WOOLLAM CO., INC.
Ping He
G02 - OPTICS