PP

Paul L. Pfaff

AT AT&T: 16 patents #1,052 of 18,772Top 6%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Lake Oswego, OR: #71 of 769 inventorsTop 10%
🗺 Oregon: #2,266 of 28,073 inventorsTop 9%
Overall (All Time): #238,409 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
9952161 Methods for obtaining and analyzing digital interferometric data for computer testing and developing semiconductor and anisotropic devices and materials 2018-04-24
9366719 Optical to optical methods enhancing the sensitivity and resolution of ultraviolet, electron beam and ion beam devices 2016-06-14
9250064 Multiple beam transmission interferometric testing methods for the development and evaluation of subwavelength sized features within semiconductor and anisotropic devices 2016-02-02
8879071 Multiple optical wavelength interferometric testing methods for the development and evaluation of subwavelength sized features within semiconductor devices and materials, wafers, and monitoring all phases of development and manufacture 2014-11-04
8736823 Methods and processes for optical interferometric or holographic test in the development, evaluation, and manufacture of semiconductor and free-metal devices utilizing anisotropic and isotropic materials 2014-05-27
8462350 Optically enhanced holographic interferometric testing methods for the development and evaluation of semiconductor devices, materials, wafers, and for monitoring all phases of development and manufacture 2013-06-11
8405823 Optical to optical infrared imaging detection system 2013-03-26
8139228 Methods for optically enhanced holographic interferometric testing for test and evaluation of semiconductor devices and materials 2012-03-20
8040521 Holographic condition assessment system for a structure including a semiconductor material 2011-10-18
7773230 Interferometric condition assessment system for a microelectronic structure including a semiconductor or free-metal material 2010-08-10
7733499 Method for optically testing semiconductor devices 2010-06-08
7728958 Condition assessment method for a structure including a semiconductor material 2010-06-01
7420687 Condition assessment system for a structure including a semiconductor material 2008-09-02
7400411 Method for optically testing semiconductor devices 2008-07-15
7323889 Voltage testing and measurement Kevin Russell 2008-01-29
7206078 Non-destructive testing system using a laser beam Michael Mauck 2007-04-17
6972577 Voltage testing and measurement Kevin Russell 2005-12-06
6803777 Voltage testing and measurement Kevin Russell 2004-10-12
6512385 Method for testing a device under test including the interference of two beams Kevin Russell 2003-01-28