Assignee
HITACHI MICRO SYSTEMS INC
US·21 granted patents·1,198 citations·filing 1989–2002
Top patents by PatentIndex Score
21 records- 0199US6065092AIndependent and cooperative multichannel memory architecture for use with master deviceHITACHI MICRO SYSTEMS INC·Filed 1997·Granted May 16, 2000·339 cites·31 claims
- 0294US6125421AIndependent multichannel memory architectureHITACHI MICRO SYSTEMS INC·Filed 1998·Granted Sep 26, 2000·95 cites·40 claims
- 0385US5978425AHybrid phase-locked loop employing analog and digital loop filtersHITACHI MICRO SYSTEMS INC·Filed 1997·Granted Nov 2, 1999·68 cites·20 claims
- 0485US5805873APhase linking of output clock with master clock in memory architectureHITACHI MICRO SYSTEMS INC·Filed 1996·Granted Sep 8, 1998·46 cites·18 claims
- 0576US5860000AFloating point unit pipeline synchronized with processor pipelineHITACHI MICRO SYSTEMS INC·Filed 1996·Granted Jan 12, 1999·55 cites·8 claims
- 0675US6225984B1Remote computer interfaceHITACHI MICRO SYSTEMS INC·Filed 1998·Granted May 1, 2001·118 cites·12 claims
- 0775US5031135ADevice for multi-precision and block arithmetic support in digital processorsHITACHI MICRO SYSTEMS INC·Filed 1989·Granted Jul 9, 1991·62 cites·7 claims
- 0871US6226732B1Memory system architectureHITACHI MICRO SYSTEMS INC·Filed 1997·Granted May 1, 2001·85 cites·11 claims
- 0971US5808487AMulti-directional small signal transceiver/repeaterHITACHI MICRO SYSTEMS INC·Filed 1996·Granted Sep 15, 1998·31 cites·43 claims
- 1069US5570053AMethod and apparatus for averaging clock skewing in clock distribution networkHITACHI MICRO SYSTEMS INC·Filed 1994·Granted Oct 29, 1996·33 cites·11 claims
- 1168US5570054AMethod and apparatus for adaptive clock deskewingHITACHI MICRO SYSTEMS INC·Filed 1994·Granted Oct 29, 1996·51 cites·14 claims
- 1266US6772327B2Floating point unit pipeline synchronized with processor pipelineHITACHI MICRO SYSTEMS INC·Filed 2002·Granted Aug 3, 2004·8 cites·26 claims
- 1360US6044123AMethod and apparatus for fast clock recovery phase-locked loop with training capabilityHITACHI MICRO SYSTEMS INC·Filed 1996·Granted Mar 28, 2000·41 cites·17 claims
- 1458US5384720ALogic circuit simulator and logic simulation method having reduced number of simulation eventsHITACHI MICRO SYSTEMS INC·Filed 1993·Granted Jan 24, 1995·45 cites·12 claims
- 1555US5426375AMethod and apparatus for optimizing high speed performance and hot carrier lifetime in a MOS integrated circuitHITACHI MICRO SYSTEMS INC·Filed 1993·Granted Jun 20, 1995·25 cites·19 claims
- 1652US6295327B1Method and apparatus for fast clock recovery phase-locked loop with training capabilityHITACHI MICRO SYSTEMS INC·Filed 1999·Granted Sep 25, 2001·27 cites·5 claims
- 1745US5777917ASimplification of lookup tableHITACHI MICRO SYSTEMS INC·Filed 1996·Granted Jul 7, 1998·17 cites·26 claims
- 1844US5313587ADevice for simultaneous data input/output and execution support in digital processorsHITACHI MICRO SYSTEMS INC·Filed 1992·Granted May 17, 1994·23 cites·17 claims
- 1939US6012139AMicroprocessor including floating point unit with 16-bit fixed length instruction setHITACHI MICRO SYSTEMS INC·Filed 1996·Granted Jan 4, 2000·10 cites·20 claims
- 2039US4896104ADigital peak and valley detectorHITACHI MICRO SYSTEMS INC·Filed 1989·Granted Jan 23, 1990·8 cites·4 claims
- 2132US5867413AFast method of floating-point multiplication and accumulationHITACHI MICRO SYSTEMS INC·Filed 1995·Granted Feb 2, 1999·11 cites·4 claims
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