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

Jose A. Tierno — 60 Patents

IBM: 51 patents #1,671 of 70,183Top 3%
Apple: 7 patents #4,247 of 18,612Top 25%
Caltech: 1 patents #2,143 of 4,321Top 50%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Palo Alto, CA: #262 of 9,675 inventorsTop 3%
California: #5,800 of 386,348 inventorsTop 2%
Overall (All Time): #38,751 of 4,157,543Top 1%
60 Patents All Time

Issued Patents All Time

Showing 51–60 of 60 patents

Patent #TitleCo-InventorsDate
7579887 Technique for efficiently managing both short-term and long-term frequency adjustments of an electronic circuit clock signal Daniel J. Friedman, Phillip John Restie, Alexander V. Rylyakov 2009-08-25
7509568 Error type identification circuit for identifying different types of errors in communications devices Mohit Kapur 2009-03-24
7498894 Varactor system having real or apparent low capacitance density Herschel A. Ainspan, Daniel J. Friedman, Alexander V. Rylyakov 2009-03-03
7443251 Digital phase and frequency detector Alexander V. Rylyakov 2008-10-28
7352297 Method and apparatus for efficient implementation of digital filter with thermometer-code-like output Alexander V. Rylyakov 2008-04-01
7107301 Method and apparatus for reducing latency in a digital signal processing device Sergey V. Rylov, Alexander V. Rylyakov 2006-09-12
6859071 Pseudofooter circuit for dynamic CMOS (Complementary metal-oxide-semiconductor) logic Sergey V. Rylov, Alexander V. Rylyakov 2005-02-22
6795842 Method and apparatus for comparing two binary numbers with a power-of-two threshold 2004-09-21
6650699 Methods and apparatus for timing recovery from a sampled and equalized data signal 2003-11-18
5451890 Gallium arsenide source follower FET logic family with diodes for preventing leakage currents Alain Martin, Brian Von Herzen 1995-09-19