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

James E. Blum

IHIo-Mega Holding: 3 patents #91 of 308Top 30%
PLPlantronics: 3 patents #128 of 433Top 30%
San Jose, CA: #9,474 of 32,062 inventorsTop 30%
California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #872,429 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7402979 Charger contact with protective actuator 2008-07-22
7075270 Charger contact 2006-07-11
6923688 Charging interface Steven F. Burson, Jay Wilson 2005-08-02
6441997 Anti-rattle mechanism for cartridge 2002-08-27
6304417 Mechanism to clamp magnetic disk against cartridge shell Allen T. Bracken, George T. Krieger 2001-10-16
6141185 Anti-rattle mechanism for cartridge 2000-10-31