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

Donald G. Scharnberg — 5 Patents

CCCompaq Computer: 2 patents #518 of 1,604Top 35%
CGCompaq Information Technologies Group: 1 patents #84 of 407Top 25%
HP: 1 patents #8,774 of 16,619Top 55%
VTVlsi Technology: 1 patents #349 of 594Top 60%
Pasadena, TX: #52 of 297 inventorsTop 20%
Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #1,027,193 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7502947 System and method of controlling a graphics controller Qijun Chen, Rahul V. Lakdawala, Anura Neysadurai 2009-03-10
6463545 BATTERY CALIBRATION SYSTEM FOR DISCHARGING A RECHARGEABLE BATTERY AND GENERATING AN AC DETECT SIGNAL TO POWER MANAGEMENT LOGIC TO MAINTAIN NORMAL COMPUTER OPERATION EVEN WHEN BATTERY IS BELOW CERTAIN LEVEL Andrew Fisher, Steven D. Holehan, Jonathan Edmund James, Jon Liu, Thomas Pham 2002-10-08
5721836 Method and apparatus for sensing and changing the state of a computer before connecting the computer to or disconnecting the computer from an expansion unit Scott Saunders 1998-02-24
5603055 Single shared ROM for storing keyboard microcontroller code portion and CPU code portion and disabling access to a portion while accessing to the other David R. Evoy, Lawrence D. Gould, James R. Edwards, Doyne L. Metz 1997-02-11
5446320 Circuit for clamping power output to ground while the computer is deactivated Patrick R. Cooper 1995-08-29