CP

Curtis Walter Preuss

IBM: 15 patents #7,450 of 70,183Top 15%
Overall (All Time): #326,894 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6989709 CMOS low voltage high-speed differential amplifier Delbert R. Cecchi, Charles C. Hansen, III 2006-01-24
6944099 Precise time period measurement Michael Launsbach 2005-09-13
6944239 CMOS receiver for simultaneous bi-directional links Delbert R. Cecchi, Charles C. Hanson 2005-09-13
6933743 Dual mode analog differential and CMOS logic circuit Delbert R. Cecchi, Michael Launsbach, David W. Siljenberg 2005-08-23
6735543 Method and apparatus for testing, characterizing and tuning a chip interface Steven M. Douskey, Daniel M. Dreps, Frank D. Ferraiolo, Robert J. Reese, Paul Rudrud +2 more 2004-05-11
6605997 CMOS dual-stage differential receiver-amplifer Charles C. Hanson 2003-08-12
6603348 Center tap level control for current mode differential driver Charles C. Hanson 2003-08-05
6504417 Active trim circuit for CMOS on-chip resistors Delbert R. Cecchi, Charles C. Hanson 2003-01-07
6476659 Voltage level shifter and phase splitter Vimal R. Patel, Daniel G. Young 2002-11-05
6344756 Echo cancellation circuit for a Bi-directional current mode link Delbert R. Cecchi, Charles C. Hanson 2002-02-05
6304106 CMOS bi-directional current mode differential link with precompensation Delbert R. Cecchi, Charles C. Hanson 2001-10-16
5949249 Driver having inductance-controlled current slew rate Robert R. Williams 1999-09-07
5857001 Off chip driver with precompensation for cable attenuation Delbert R. Cecchi 1999-01-05
5787094 Test and diagnostics for a self-timed parallel interface Delbert R. Cecchi, Marius Vicentiu Dina, Kenneth M. Valk 1998-07-28
5666354 CMOS bi-directional differential link Delbert R. Cecchi, Donald J. Schulte 1997-09-09