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

Robert Liang — 14 Patents

MAMalico: 7 patents #1 of 3Top 35%
RLResearch In Motion Limited: 2 patents #689 of 1,397Top 50%
General Motors: 1 patents #9,361 of 18,328Top 55%
San Francisco, CA: #3,071 of 26,999 inventorsTop 15%
California: #43,449 of 386,348 inventorsTop 15%
Overall (All Time): #335,669 of 4,157,543Top 9%
14 Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12384408 Method for visual detection and position estimation of road flares Pranay Agrawal, Ashish Shrivastava, Changkai Zhou 2025-08-12
8204526 Unified addressing 2012-06-19
7904099 Unified addressing 2011-03-08
7780081 System and method for security protection, inventory tracking and automated shopping cart checkout 2010-08-24
7773383 Heatsink assembly 2010-08-10
7768786 Heatsink assembly 2010-08-03
7619892 Positioning device for heatsink 2009-11-17
7307842 Heat sink assembly having retaining device with relatively better heat dissipation effectiveness 2007-12-11
6851186 Environmental protection concerned method for manufacturing heat sink 2005-02-08
6644396 Anchor base for heat sink of IC chipset 2003-11-11
6476484 Heat sink dissipator for adapting to thickness change of a combination of a CPU and a CPU carrier 2002-11-05
6153932 Fix base of integrated circuit chipset and heat sink 2000-11-28
5959838 Structure of a CPU radiator 1999-09-28
D403755 Fan 1999-01-05