DT

David R. Thomas

HP HP: 21 patents #1,325 of 16,619Top 8%
TI Texas Instruments: 9 patents #1,613 of 12,488Top 15%
IBM: 7 patents #14,640 of 70,183Top 25%
📍 Corvallis, OR: #74 of 1,763 inventorsTop 5%
🗺 Oregon: #968 of 28,073 inventorsTop 4%
Overall (All Time): #82,489 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
6309054 Pillars in a printhead Naoto Kawamura, David J. Waller, Timothy L. Weber 2001-10-30
6305790 Fully integrated thermal inkjet printhead having multiple ink feed holes per nozzle Naoto Kawamura, Colin C. Davis, Timothy L. Weber, Kenneth E. Trueba, John Paul Harmon 2001-10-23
6275583 Circuits and methods for improved network interface circuit protection Jeffrey H. Derby 2001-08-14
6239820 Thin-film printhead device for an ink-jet printer Domingo Figueredo, Mark Buonanno 2001-05-29
6198817 Communication interface having combined shaping of receive response and synthesized matching terminating impedances for different frequency bands and a design method therefor Jeffrey H. Derby 2001-03-06
6181792 Communication interface having synthesized matching impedances for different frequency bands and a design method therefor Jeffrey H. Derby 2001-01-30
6153114 Thin-film printhead device for an ink-jet printer Domingo Figueredo, Mark Buonanno 2000-11-28
6126276 Fluid jet printhead with integrated heat-sink Colin C. Davis, Naoto Kawamura, Timothy Beerling, William R. Knight, David J. Waller +1 more 2000-10-03
6003977 Bubble valving for ink-jet printheads Timothy L. Weber, David J. Waller, Kenneth E. Trueba 1999-12-21
5883650 Thin-film printhead device for an ink-jet printer Domingo Figueredo, Mark Buonanno 1999-03-16
5376830 High frequency slope compensation circuit for current programmed converter Donald J. Ashley, Michael J. Johnson 1994-12-27
4902957 DC/DC converter John C. Cassani, Mark K. DeMoor, Paul Graf, Jonathan J. Hurd, Christopher Jones +1 more 1990-02-20
4603399 Data processing apparatus for address substitution Elbert A. Cheek, John Dennis Zbrozek 1986-07-29
4534017 FET Memory with drift reversal Paul C. Tien 1985-08-06