James F. Hoff has been granted 6 US patents while listed as an inventor at AT&T . The first was granted in 1990 and the most recent in June 2004. James F. Hoff ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list James F. Hoff in Shoreview, MN, US.
Patents per Year Patents granted per year, 1990 to 2004 Bar chart with a peak of 1 patents in 1990. peak 1 1990: 1 patents 1990 1996: 1 patents 1996 1999: 1 patents 1999 2000: 1 patents 2000 2002: 1 patents 2002 2004: 1 patents 2004
Issued Patents All Time
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Showing 1–6 of 6 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6747995 System for multiple voice lines with data over a single subscriber loop Randall Brown , John Spenik , Thomas J. Buege , Christopher A. Pawlowski , Keith M. McDonald 2004-06-08
$11,620,000
6483342 Multi-master multi-slave system bus in a field programmable gate array (FPGA) Barry Britton , Ravikumar Charath , Zheng Chen , Cort D. Lansenderfer , Don McCarley +2 more 2002-11-19
$16,168,000
6028447 FPGA having predictable open-drain drive mode William B. Andrews , Satwant Singh 2000-02-22
$68,300,000
5978373 Wide area network system providing secure transmission Randall Brown , Thomas J. Perry , Satrio P. Mualim , Kevin B. Plyler , John Spenik +3 more 1999-11-02
$43,060,000
5500864 Checksum calculation unit and method for error detection on data packets Patrick Gonia 1996-03-19
$10,516,000
4908784 Method and apparatus for asynchronous time measurement Gary William Box , Thomas S. Foote-Lennox , Rodney G. Herreid , Dennis J. Leisz , John Albert Perlick +3 more 1990-03-13
