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

David E. Francis

TITexas Instruments: 2 patents #5,248 of 12,488Top 45%
Houston, TX: #8,651 of 21,073 inventorsTop 45%
Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,261,042 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5784700 Memory interface with address shift for different memory types Chein-chung Chen, John C. Cooper, Joseph A. Coomes, Jerald G. Leach 1998-07-21
5761478 Programmable memory interface for efficient transfer of different size data Chein-chung Chen, John C. Cooper, Joseph A. Coomes, Jerald G. Leach 1998-06-02