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

John C. Hall

SSSpace Systems/Loral: 21 patents #4 of 380Top 2%
The Boeing: 9 patents #1,188 of 15,756Top 8%
APAltus Partners: 5 patents #1 of 29Top 4%
Microsoft: 4 patents #10,696 of 40,388Top 30%
RCReb Manufacturing Co.: 2 patents #4 of 9Top 45%
WPWebb Wheel Products: 2 patents #2 of 18Top 15%
DWDayton Walther: 2 patents #5 of 16Top 35%
MLMeritor Heavy Vehicle Systems Limited: 2 patents #75 of 151Top 50%
UEUS Dept of Energy: 1 patents #1,355 of 5,099Top 30%
RIRicon: 1 patents #20 of 48Top 45%
MTMegastir Technologies: 1 patents #18 of 28Top 65%
MGMeritor Automotive Gmbh: 1 patents #12 of 44Top 30%
IBM: 1 patents #44,794 of 70,183Top 65%
Rancho Palos Verdes, CA: #18 of 1,701 inventorsTop 2%
California: #6,140 of 386,348 inventorsTop 2%
Overall (All Time): #41,887 of 4,157,543Top 2%
58 Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
5125077 Method of formatting data from a mouse 1992-06-23
4902588 Electrolyte additives to improve voltage regulation in the lithium-copper chloride rechargeable cell On K. Chang, Jeffrey Phillips, Lenard F. Silvester 1990-02-20
4892796 Positive current collector for lithium secondary system On K. Chang, Jeffrey Phillips, Lenard F. Silvester 1990-01-09
4873158 Overdischarge protection for rechargeable cells On K. Chang, Jeffrey Phillips, Lenard F. Silvester 1989-10-10
4866602 Power supply for a computer peripheral device which positions a cursor on a computer display 1989-09-12
4863815 Cell design for spirally wound rechargeable alkaline metal cell On K. Chang, Jeffrey Phillips, Lenard F. Sylvester 1989-09-05
4844993 Additive to improve voltage regulation in a lithium-copper chloride rechargeable cell On K. Chang, Jeffrey Phillips, Lenard F. Silvester 1989-07-04
4293089 Brazing method James T. McCormick, Paul B. Ferry 1981-10-06