Inventor · disambiguated record
James R. Hamstra
Also filed as: HAMSTRA JAMES R · HAMSTRA JAMES ROBERT
28 granted patents·1,282 citations·filing 1982–2009
98Inventor score
Top patents by PatentIndex Score
28 records- 0193US4530054AProcessor-addressable timestamp for indicating oldest written-to cache entry not copied back to bulk memorySPERRY CORP·Filed 1982·Granted Jul 16, 1985·127 cites·11 claims
- 0291US4945479ATightly coupled scientific processing systemUNISYS CORP·Filed 1985·Granted Jul 31, 1990·207 cites·29 claims
- 0391US4873630AScientific processor to support a host processor referencing common memoryUNISYS CORP·Filed 1985·Granted Oct 10, 1989·153 cites·26 claims
- 0490US7589978B1Air inlet diffuserFLEXTRONICS AP LLC·Filed 2005·Granted Sep 15, 2009·25 cites·18 claims
- 0588US4530055AHierarchical memory system with variable regulation and priority of writeback from cache memory to bulk memorySPERRY CORP·Filed 1982·Granted Jul 16, 1985·92 cites·11 claims
- 0687US4811203AHierarchial memory system with separate criteria for replacement and writeback without replacementUNISYS CORP·Filed 1982·Granted Mar 7, 1989·80 cites·10 claims
- 0787US4530088AGroup coding system for serial data transmissionSPERRY CORP·Filed 1984·Granted Jul 16, 1985·72 cites·26 claims
- 0883US8085554B2Air inlet diffuserHOLDREDGE PAUL·Filed 2009·Granted Dec 27, 2011·16 cites·21 claims
- 0979US8279646B1Coordinated power sequencing to limit inrush currents and ensure optimum filteringHAMSTRA JAMES R·Filed 2008·Granted Oct 2, 2012·18 cites·32 claims
- 1073US4858115ALoop control mechanism for scientific processorUNISYS CORP·Filed 1985·Granted Aug 15, 1989·50 cites·13 claims
- 1171US7751411B2System interface for cell and/or packet transferPMC SIERRA INC·Filed 2001·Granted Jul 6, 2010·19 cites·12 claims
- 1271US5600799AStatus batching and filtering in a media access control/host system interface unitNAT SEMICONDUCTOR CORP·Filed 1995·Granted Feb 4, 1997·48 cites·3 claims
- 1368US4706191ALocal store for scientific vector processorSPERRY CORP·Filed 1985·Granted Nov 10, 1987·43 cites·14 claims
- 1467US5089957ARam based events counter apparatus and methodNAT SEMICONDUCTOR CORP·Filed 1989·Granted Feb 18, 1992·39 cites·10 claims
- 1566US5185863AByte-wide elasticity bufferNAT SEMICONDUCTOR CORP·Filed 1989·Granted Feb 9, 1993·31 cites·10 claims
- 1665US5608869AMethod and apparatus for reliable descriptor chaining in a media access control/host system interface unitNAT SEMICONDUCTOR CORP·Filed 1994·Granted Mar 4, 1997·28 cites·1 claims
- 1765US5513320ATransmit data descriptor structure in a media access control/host system interface that implements flexible transmit data descriptor structure unitNAT SEMICONDUCTOR CORP·Filed 1995·Granted Apr 30, 1996·36 cites·3 claims
- 1863US5511166AMethod and apparatus for receive frame sorting in a media access control/host system interface unitNAT SEMICONDUCTOR CORP·Filed 1995·Granted Apr 23, 1996·35 cites·1 claims
- 1960US5459731ALink error monitoringNAT SEMICONDUCTOR CORP·Filed 1993·Granted Oct 17, 1995·37 cites·37 claims
- 2058US5875210AMethod and apparatus for repeating dataNAT SEMICONDUCTOR CORP·Filed 1997·Granted Feb 23, 1999·26 cites·24 claims
- 2158US5566203AIntelligent repeater functionalityNAT SEMICONDUCTOR CORP·Filed 1993·Granted Oct 15, 1996·23 cites·23 claims
- 2257US4984251AMethod and apparatus for the synchronization of a cascaded multi-channel data transmissionNAT SEMICONDUCTOR CORP·Filed 1989·Granted Jan 8, 1991·20 cites·6 claims
- 2353US5016221AFirst-in, first-out (FIFO) memory with variable commit pointNAT SEMICONDUCTOR CORP·Filed 1989·Granted May 14, 1991·19 cites·20 claims
- 2449US8027137B2Power filterFLEXTRONICS AP LLC·Filed 2009·Granted Sep 27, 2011·2 cites·25 claims
- 2549US5179664ASymbol-wide elasticity buffer with a read-only section and a read-write sectionNAT SEMICONDUCTOR CORP·Filed 1989·Granted Jan 12, 1993·14 cites·21 claims
- 2646US5046182ACode points for transferring data from a network transmission medium to a station on the networkNAT SEMICONDUCTOR CORP·Filed 1989·Granted Sep 3, 1991·12 cites·16 claims
- 2737US5577206ASystem for physical layer controllers for performing automatic hardware based scrubbing of input and output dirty flags for updating system configuration changesNAT SEMICONDUCTOR CORP·Filed 1993·Granted Nov 19, 1996·9 cites·38 claims
- 2829US5784404AIntelligent repeater functionalityNAT SEMICONDUCTOR CORP·Filed 1996·Granted Jul 21, 1998·1 cites·39 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →