Inventor · disambiguated record
Donald Lee Freerksen
Also filed as: FREERKSEN DONALD L · FREERKSEN DONALD LEE
16 granted patents·597 citations·filing 1989–2001
95Inventor score
Technology areasG06F
Files withIBM16
Top patents by PatentIndex Score
16 records- 0185US4975868AFloating-point processor having pre-adjusted exponent bias for multiplication and divisionIBM·Filed 1989·Granted Dec 4, 1990·88 cites·11 claims
- 0280US6314491B1Peer-to-peer cache moves in a multiprocessor data processing systemIBM·Filed 1999·Granted Nov 6, 2001·95 cites·22 claims
- 0377US4941120AFloating point normalization and rounding prediction circuitIBM·Filed 1989·Granted Jul 10, 1990·57 cites·4 claims
- 0472US6557084B2Apparatus and method to improve performance of reads from and writes to shared memory locationsIBM·Filed 1999·Granted Apr 29, 2003·65 cites·27 claims
- 0570US6269425B1Accessing data from a multiple entry fully associative cache buffer in a multithread data processing systemIBM·Filed 1998·Granted Jul 31, 2001·59 cites·22 claims
- 0665US6823431B2Method for increasing efficiency in a multi-processor system and multi-processor system with increased efficiencyIBM·Filed 2001·Granted Nov 23, 2004·9 cites·6 claims
- 0765US4926370AMethod and apparatus for processing postnormalization and rounding in parallelIBM·Filed 1989·Granted May 15, 1990·34 cites·5 claims
- 0858US6871267B2Method for increasing efficiency in a multi-processor system and multi-processor system with increased efficiencyIBM·Filed 2001·Granted Mar 22, 2005·5 cites·20 claims
- 0958US6351791B1Circuit arrangement and method of maintaining cache coherence utilizing snoop response collection logic that disregards extraneous retry responsesIBM·Filed 1998·Granted Feb 26, 2002·35 cites·39 claims
- 1057US6425060B1Circuit arrangement and method with state-based transaction schedulingIBM·Filed 1999·Granted Jul 23, 2002·34 cites·32 claims
- 1154US6000011AMulti-entry fully associative transition cacheIBM·Filed 1996·Granted Dec 7, 1999·29 cites·33 claims
- 1253US6035424AMethod and apparatus for tracking processing of a commandIBM·Filed 1996·Granted Mar 7, 2000·28 cites·25 claims
- 1348US6000012AMethod and apparatus for prioritizing and routing commands from a command source to a command sinkIBM·Filed 1996·Granted Dec 7, 1999·22 cites·16 claims
- 1447US6260117B1Method for increasing efficiency in a multi-processor system and multi-processor system with increased efficiencyIBM·Filed 1998·Granted Jul 10, 2001·15 cites·10 claims
- 1543US4996660ASelection of divisor multipliers in a floating point divide circuitIBM·Filed 1989·Granted Feb 26, 1991·13 cites·4 claims
- 1638US4979142ATwo-bit floating point divide circuit with single carry-save adderIBM·Filed 1989·Granted Dec 18, 1990·9 cites·18 claims
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