QUICKTURN DESIGN SYSTEMS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 5442
 
  
 
H03K PULSE TECHNIQUE 3128
 
  
 
G06G ANALOGUE COMPUTERS 251
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6882176 High-performance programmable logic architectureMar 07, 03Apr 19, 05[H03K]
6377911 Apparatus for emulation of electronic hardware systemJul 12, 99Apr 23, 02[G06F, G06G]
6184707 Look-up table based logic element with complete permutability of the inputs to the secondary signalsOct 07, 98Feb 06, 01[G06F]
5963735 Hardware logic emulation systemMay 29, 97Oct 05, 99[G06G]
5812414 Method for performing simulation using a hardware logic emulation systemDec 19, 96Sep 22, 98[G06F]
5796623 Apparatus and method for performing computations with electrically reconfigurable logic devicesDec 19, 96Aug 18, 98[G06F]
5734581 Method for implementing tri-state nets in a logic emulation systemDec 19, 96Mar 31, 98[H03K]
5329470 Reconfigurable hardware emulation systemDec 21, 93Jul 12, 94[G06F]
5202593 Bi-directional bus repeaterOct 30, 91Apr 13, 93[H03K]
5114353 Multiple connector arrangement for printed circuit board interconnectionMar 01, 91May 19, 92[H05K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0154,458 Emulation circuit with a hold time algorithm, logic analyzer and shadow memoryAbandonedJan 30, 03Aug 14, 03[G06F]
2002/0178,427 Method for improving timing behavior in a hardware logic emulation systemAbandonedMay 25, 01Nov 28, 02[G06F]
5259006 Method for substantially eliminating hold time violations in implementing high speed logic circuits or the likeExpiredAug 20, 91Nov 02, 93[H04L]
5109353 Apparatus for emulation of electronic hardware systemExpiredDec 02, 88Apr 28, 92[G06F, G11C]
5036473 Method of using electronically reconfigurable logic circuitsExpiredOct 04, 89Jul 30, 91[G06F]
4914612 Massively distributed simulation engineExpiredMar 31, 88Apr 03, 90[G06F]
4697241 Hardware logic simulatorExpiredMar 01, 85Sep 29, 87[H03K, G06F]

Top Inventors for This Owner

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