GS

Gary E. Sommargren

ZY Zygo: 21 patents #5 of 99Top 6%
University of California: 8 patents #840 of 18,278Top 5%
UE US Dept of Energy: 3 patents #296 of 5,099Top 6%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #104,039 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 25 most recent of 34 patents

Patent #TitleCo-InventorsDate
6909510 Application of the phase shifting diffraction interferometer for measuring convex mirrors and negative lenses Eugene W. Campbell 2005-06-21
6876456 Absolute calibration of optical flats 2005-04-05
6704112 Application of the phase shifting diffraction interferometer for measuring convex mirrors and negative lenses Eugene W. Campbell 2004-03-09
6177993 Inspection of lithographic mask blanks for defects 2001-01-23
6014264 Embedded fiducials in optical surfaces 2000-01-11
5969848 Micromachined electrostatic vertical actuator Abraham P. Lee, Charles F. McConaghy, Peter Krulevitch 1999-10-19
5933236 Phase shifting interferometer 1999-08-03
5586133 Apparatus for increasing the frequency difference and stability of orthogonally polarized beams from a Zeeman split laser 1996-12-17
5548403 Phase shifting diffraction interferometer 1996-08-20
5218424 Flying height and topography measuring interferometer 1993-06-08
5133599 High accuracy linear displacement interferometer with probe 1992-07-28
5028137 Angular displacement measuring interferometer Earl William Ebert 1991-07-02
5022061 An image focusing means by using an opaque object to diffract x-rays H. Joseph Weaver 1991-06-04
4963022 Method and apparatus for generating a straight reference line 1990-10-16
4950078 High accuracy differential plane mirror interferometer 1990-08-21
4881815 Linear and angular displacement measuring interferometer 1989-11-21
4859066 Linear and angular displacement measuring interferometer 1989-08-22
4807997 Angular displacement measuring interferometer 1989-02-28
4802765 Differential plane mirror having beamsplitter/beam folder assembly Peter S. Young 1989-02-07
4802764 Differential plane mirror interferometer having beamsplitter/beam folder assembly Peter S. Young 1989-02-07
4787747 Straightness of travel interferometer Peter S. Young 1988-11-29
4752133 Differential plane mirror interferometer 1988-06-21
4746216 Angle measuring interferometer 1988-05-24
4733967 Apparatus for the measurement of the refractive index of a gas 1988-03-29
4717250 Angle measuring interferometer 1988-01-05