Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AK

Alan G. Knapp

U.S. Philips: 35 patents #14 of 8,851Top 1%
Philips: 14 patents #215 of 7,731Top 3%
Koniniklijke Philips N.V.: 2 patents #2,768 of 7,486Top 40%
CIChimei Innolux: 1 patents #232 of 654Top 40%
ETEvoqua Water Technologies: 1 patents #137 of 216Top 65%
TDTpo Displays: 1 patents #91 of 235Top 40%
Lake Oswego, OR: #22 of 769 inventorsTop 3%
Oregon: #603 of 28,073 inventorsTop 3%
Overall (All Time): #47,026 of 4,157,543Top 2%
54 Patents All Time

Issued Patents All Time

Showing 26–50 of 54 patents

Patent #TitleCo-InventorsDate
5892504 Matrix display device and its method of operation 1999-04-06
5852425 Active matrix display devices for digital video signals and method for driving such Neil C. Bird 1998-12-22
5838308 Optical touch input device John M. Shannon 1998-11-17
5684501 Active matrix display device and method of driving such John M. Shannon, Alexander D. Annis, Jeremy N. Sandoe 1997-11-04
5495265 Fast response electro-optic display device Robert A. Hartman 1996-02-27
5485177 Matrix display device with write-in facility John M. Shannon 1996-01-16
5428370 Matrix display device and its method of operation Martin John Edwards, Roger Pook 1995-06-27
5379050 Method of driving a matrix display device and a matrix display device operable by such a method Alexander D. Annis, Jeremy N. Sandoe, Peter B. A. Wolfs 1995-01-03
5349174 Image sensor with transparent capacitive regions Cornelis Van Berkel, Neil C. Bird, Oliver S. Davies, Martin John Edwards, John M. Shannon 1994-09-20
5341151 Liquid crystal colour display device with zig-zag pattern 1994-08-23
5325442 Fingerprint sensing device and recognition system having predetermined electrode activation 1994-06-28
5270711 Touch sensor array systems and display systems incorporating such 1993-12-14
5237314 Addressing a matrix device using electro-optical switching 1993-08-17
5159325 Method of driving a display device Karel E. Kuijk, John M. Shannon 1992-10-27
5014048 Matrix display systems 1991-05-07
4978951 Matrix display devices with interconnected diode ring circuit providing fault tolerance 1990-12-18
4950940 Cathode ray tube with means for preventing backscatter from electron multiplier Alfred W. Woodhead, Ronald W. A. Gill, Daphne L. Lamport, Derek Washington 1990-08-21
4908545 Cathode ray tube Alfred W. Woodhead, Ronald W. A. Gill, Daphne L. Lamport, Derek Washington 1990-03-13
4893053 Color display tube with channel electron multiplier means John R. Mansell 1990-01-09
4879496 Display tube Daphne L. Lamport, Derek Washington, Alfred W. Woodhead 1989-11-07
4870328 Color display system Kenneth G. Freeman, David George 1989-09-26
4792718 Cathode ray display tubes 1988-12-20
4713575 Method of making a color selection deflection structure, and a color picture display tube including a color selection deflection structure made by the method Colin D. Overall, Richard A. Slater 1987-12-15
4698555 Cathode ray tube display system Daphne L. Lamport 1987-10-06
4660076 Color display apparatus including a CRT with internal switching valve Harold W. Ellis 1987-04-21