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

John B. Hughes — 44 Patents

U.S. Philips: 34 patents #15 of 8,851Top 1%
Philips: 7 patents #660 of 7,731Top 9%
APAristocrat Leisure Industries Party: 1 patents #5 of 11Top 50%
SISignetics: 1 patents #38 of 93Top 45%
UAUnited Airlines: 1 patents #24 of 50Top 50%
Sunnyvale, CA: #422 of 14,302 inventorsTop 3%
California: #9,798 of 386,348 inventorsTop 3%
Overall (All Time): #68,497 of 4,157,543Top 2%
44 Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
5109169 Integrator circuit 1992-04-28
5063342 Temperature threshold sensing circuit Kenneth W. Moulding 1991-11-05
5059832 Switched current integrator circuit 1991-10-22
5055719 Current conveyor circuit 1991-10-08
5039878 Temperature sensing circuit Desmond R. Armstrong 1991-08-13
5028822 Circuit arrangement for processing analogue electrical signals 1991-07-02
5021692 Integrator circuit 1991-06-04
5012133 Circuit arrangement for processing sampled analog electrical signals 1991-04-30
4987379 Operational amplifier circuit 1991-01-22
4973857 Current divider circuit 1990-11-27
4958123 Circuit arrangement for processing sampled analogue electrical signals 1990-09-18
4897596 Circuit arrangement for processing sampled analogue electrical signals Ian Craig Macbeth 1990-01-30
4849759 Analogue to digital converter 1989-07-18
4791379 Electrical filter with adjustable RC product 1988-12-13
4785253 Integrated electric filter with adjustable RC parameters 1988-11-15
4733205 Electrical filter 1988-03-22
4439692 Feedback-controlled substrate bias generator Jan Johannes Petrus Maria Beekmans 1984-03-27
4354274 Digital signal transmission system 1982-10-12
4315166 Frequency divider arrangement 1982-02-09