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

Eric C. Kulberg

Qualcomm: 5 patents #3,272 of 12,104Top 30%
San Diego, CA: #7,216 of 23,606 inventorsTop 35%
California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,048,896 of 4,157,543Top 30%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D427143 Battery pack 2000-06-27
5850612 Multi-axis vertically corrected antenna for handheld wireless communications devices Stephen B. Tidwell, Roy Howard Davis, Roy K. Fischer, Randall Toltzman, Randsom A. Brown 1998-12-15
5844985 Vertically correcting antenna for portable telephone handsets William R. Panton, James H. Thompson, Stephen B. Tidwell, Robert P. Gilmore 1998-12-01
D397110 Portable telephone Roy K. Fischer, Randall K. Toltzman, Randsom A. Brown 1998-08-18
5734716 Magnetically driven vertically correcting antenna for portable telephones 1998-03-31