GP

Galen L. Pfeiffer

JC J.A. Woollam Co.: 41 patents #6 of 52Top 15%
📍 Roca, NE: #1 of 10 inventorsTop 10%
🗺 Nebraska: #41 of 5,697 inventorsTop 1%
Overall (All Time): #72,242 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
7796260 System and method of controlling intensity of an electromagnetic beam Blaine D. Johs, Christopher A. Goeden 2010-09-14
7633625 Spectroscopic ellipsometer and polarimeter systems John A. Woollam, Blaine D. Johs, Craig M. Herzinger, Ping He, Martin M. Liphardt 2009-12-15
7616319 Spectroscopic ellipsometer and polarimeter systems John A. Woollam, Blaine D. Johs, Craig M. Herzinger, Ping He, Martin M. Liphardt 2009-11-10
7535566 Beam chromatic shifting and directing means Blaine D. Johs, Jeffrey S. Hale, Christopher A. Goeden, Brian D. Guenther, Martin M. Liphardt +1 more 2009-05-19
7508510 System for and method of investigating the exact same point on a sample substrate with multiple wavelengths Martin M. Liphardt, Blaine D. Johs, Craig M. Herzinger, Christopher A. Goeden, Ping He +2 more 2009-03-24
7349092 System for reducing stress induced effects during determination of fluid optical constants Thomas E. Tiwald, John A. Woollam, Blaine D. Johs, Craig M. Herzinger 2008-03-25
7327456 Spectrophotometer, ellipsometer, polarimeter and the like systems John A. Woollam, Steven E. Green, Ping He, Blaine D. Johs, Craig M. Herzinger +3 more 2008-02-05
7317529 Aspects of producing, directing, conditioning, impinging and detecting spectroscopic electromagnetic radiation from small spots on samples Martin M. Liphardt, Ping He, Blaine D. Johs, James D. Welch, John A. Woollam 2008-01-08
7301631 Control of uncertain angle of incidence of beam from Arc lamp Blaine D. Johs, Ping He, Steven E. Green, Christopher A. Goeden, Martin M. Liphardt 2007-11-27
7274450 Sample entry purge system in spectrophotometer, ellipsometer, polarimeter and the like systems Steven E. Green, Ping He, Brian D. Guenther, Gerald T. Cooney, John A. Woollam +3 more 2007-09-25
7265835 System for implementing variable retarder capability in ellipsometer, polarimeter or the like systems Craig M. Herzinger 2007-09-04
7158231 Spectroscopic ellipsometer and polarimeter systems John A. Woollam, Blaine D. Johs, Craig M. Herzinger, Ping He, Martin M. Liphardt 2007-01-02
7136162 Alignment of ellipsometer beam to sample surface Martin M. Liphardt, Craig M. Herzinger, Brian D. Guenther, Steven E. Green, Ping He 2006-11-14
7136172 System and method for setting and compensating errors in AOI and POI of a beam of EM radiation Blaine D. Johs, Christopher A. Goeden, Martin M. Liphardt 2006-11-14
7099006 Ellipsometer or polarimeter and the like system with beam chromatic shifting and directing means Blaine D. Johs, Jeffrey S. Hale, Christopher A. Goeden 2006-08-29
6982792 Spectrophotometer, ellipsometer, polarimeter and the like systems John A. Woollam, Steven E. Green, Ping He, Blaine D. Johs, Craig M. Herzinger +2 more 2006-01-03
6937341 System and method enabling simultaneous investigation of sample with two beams of electromagnetic radiation John A. Woollam, Daniel W. Thompson, Blaine D. Johs, Craig M. Herzinger 2005-08-30