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

Glen Garfunkel

HTHeadway Technologies: 25 patents #45 of 309Top 15%
IBM: 1 patents #44,794 of 70,183Top 65%
San Jose, CA: #2,401 of 32,062 inventorsTop 8%
California: #20,738 of 386,348 inventorsTop 6%
Overall (All Time): #148,891 of 4,157,543Top 4%
26 Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
5774291 Voltage measurement circuit for a magnetoresistive head installed in a disk enclosure John Contreras, Calvin Shizuo Nomura 1998-06-30