Inventor · disambiguated record
Takehisa Hayashi
Also filed as: HAYASHI TAKEHISA
49 granted patents·2,630 citations·filing 1983–2006
99Inventor score
Top patents by PatentIndex Score
49 records- 0199US5087829AHigh speed clock distribution systemHITACHI LTD·Filed 1989·Granted Feb 11, 1992·235 cites·21 claims
- 0295US6005599AVideo storage and delivery apparatus and systemHITACHI LTD·Filed 1994·Granted Dec 21, 1999·267 cites·2 claims
- 0394US5497488ASystem for parallel string search with a function-directed parallel collation of a first partition of each string followed by matching of second partitionsHITACHI LTD·Filed 1995·Granted Mar 5, 1996·250 cites·29 claims
- 0492US6163464AApparatus for interconnecting logic boardsHITACHI LTD·Filed 1998·Granted Dec 19, 2000·159 cites·13 claims
- 0589US5671371ABus control systemHITACHI LTD·Filed 1995·Granted Sep 23, 1997·104 cites·12 claims
- 0689US5649102ADistributed shared data management system for controlling structured shared data and for serializing access to shared dataHITACHI LTD·Filed 1994·Granted Jul 15, 1997·150 cites·22 claims
- 0787US5935205AComputer system having a plurality of computers each providing a shared storage access processing mechanism for controlling local/remote access to shared storage devicesHITACHI LTD·Filed 1996·Granted Aug 10, 1999·125 cites·87 claims
- 0887US5872471ASimultaneous bidirectional transmission circuitHITACHI LTD·Filed 1996·Granted Feb 16, 1999·62 cites·16 claims
- 0986US5165010AInformation processing systemHITACHI LTD·Filed 1990·Granted Nov 17, 1992·73 cites·18 claims
- 1085US5065048ASemiconductor logic circuit with noise suppression circuitHITACHI LTD·Filed 1989·Granted Nov 12, 1991·34 cites·42 claims
- 1184US6049221ASemiconductor integrated circuit system having function of automatically adjusting output resistance valueHITACHI LTD·Filed 1998·Granted Apr 11, 2000·46 cites·16 claims
- 1284US5339396AInterconnection network and crossbar switch for the sameHITACHI LTD·Filed 1993·Granted Aug 16, 1994·92 cites·4 claims
- 1383US6335867B1Apparatus for interconnecting logic boardsHITACHI LTD·Filed 2000·Granted Jan 1, 2002·31 cites·10 claims
- 1481US7177970B2Bus control systemHITACHI LTD·Filed 2002·Granted Feb 13, 2007·17 cites·24 claims
- 1581US5621774AMethod and apparatus for synchronizing parallel data transferHITACHI LTD·Filed 1994·Granted Apr 15, 1997·95 cites·5 claims
- 1679US6519667B2Bus control systemHITACHI LTD·Filed 2001·Granted Feb 11, 2003·15 cites·49 claims
- 1779US5307266AInformation processing system and method for processing document by using structured keywordsHITACHI LTD·Filed 1991·Granted Apr 26, 1994·81 cites·15 claims
- 1877US5867541AMethod and system for synchronizing data having skewHITACHI LTD·Filed 1995·Granted Feb 2, 1999·102 cites·10 claims
- 1976US5043990ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1988·Granted Aug 27, 1991·53 cites·27 claims
- 2074US5737589AData transfer system and method including tuning of a sampling clock used for latching dataHITACHI LTD·Filed 1994·Granted Apr 7, 1998·62 cites·7 claims
- 2174US4697110AFluctuation-free input bufferHITACHI LTD·Filed 1983·Granted Sep 29, 1987·17 cites·14 claims
- 2272US5794020AData transfer apparatus fetching reception data at maximum margin of timingHITACHI LTD·Filed 1996·Granted Aug 11, 1998·80 cites·23 claims
- 2371US4849660ABICMOS output interface circuit for level-shifting ECL to CMOSHITACHI LTD·Filed 1988·Granted Jul 18, 1989·18 cites·47 claims
- 2467US6011791AMulti-processor system and its networkHITACHI LTD·Filed 1996·Granted Jan 4, 2000·51 cites·2 claims
- 2565US7340552B2Bus control systemHITACHI LTD·Filed 2006·Granted Mar 4, 2008·1 cites·6 claims
- 2664US6219738B1Information processing systemHITACHI LTD·Filed 2000·Granted Apr 17, 2001·5 cites·6 claims
- 2764US5666302ASimultaneous bidirectional transmission apparatus for transmitting and receiving differential signalsHITACHI LTD·Filed 1995·Granted Sep 9, 1997·34 cites·9 claims
- 2864US5253197ASemiconductor associative memory device with current sensingHITACHI LTD·Filed 1990·Granted Oct 12, 1993·24 cites·13 claims
- 2963US5223733ASemiconductor integrated circuit apparatus and method for designing the sameHITACHI LTD·Filed 1991·Granted Jun 29, 1993·32 cites·27 claims
- 3062US4803527ASemiconductor integrated circuit device having semi-insulator substrateHITACHI LTD·Filed 1986·Granted Feb 7, 1989·20 cites·7 claims
- 3161US5870594AData transfer system and methodHITACHI LTD·Filed 1997·Granted Feb 9, 1999·39 cites·15 claims
- 3260US6341323B2Information processing systemHITACHI LTD·Filed 2001·Granted Jan 22, 2002·3 cites·13 claims
- 3360US5941973ABus control system incorporating the coupling of two split-transaction busses of different hierarchyHITACHI LTD·Filed 1998·Granted Aug 24, 1999·19 cites·47 claims
- 3457US5881255ABus control system incorporating the coupling of two split-transaction busses of different hierarchyHITACHI LTD·Filed 1997·Granted Mar 9, 1999·17 cites·4 claims
- 3557US4950925APre-charge circuit with a bipolar transistorHITACHI LTD·Filed 1988·Granted Aug 21, 1990·11 cites·26 claims
- 3656US6728258B1Multi-processor system and its networkHITACHI LTD·Filed 1999·Granted Apr 27, 2004·31 cites·5 claims
- 3752US5113390AData transfer network suitable for use in a parallel computerHAYASHI TAKEHISA·Filed 1990·Granted May 12, 1992·25 cites·42 claims
- 3850US4918686AData transfer network suitable for use in a parallel computerHITACHI LTD·Filed 1988·Granted Apr 17, 1990·15 cites·6 claims
- 3949US5544340AMethod and system for controlling cache memory with a storage buffer to increase throughput of a write operation to the cache memoryHITACHI LTD·Filed 1994·Granted Aug 6, 1996·19 cites·10 claims
- 4048US5132752AField effect transistorHITACHI LTD·Filed 1991·Granted Jul 21, 1992·13 cites·36 claims
- 4147US5678062AInput/output control method and data processorHITACHI LTD·Filed 1994·Granted Oct 14, 1997·19 cites·23 claims
- 4245US6128688ABus control systemHITACHI LTD·Filed 1999·Granted Oct 3, 2000·8 cites·24 claims
- 4345US5617424AMethod of communication between network computers by dividing packet data into parts for transfer to respective regionsHITACHI LTD·Filed 1996·Granted Apr 1, 1997·19 cites·10 claims
- 4443US6477560B1Method and apparatus for controlling resourceHITACHI LTD·Filed 1998·Granted Nov 5, 2002·16 cites·18 claims
- 4543US6108694AMemory disk sharing method and its implementing apparatusHITACHI LTD·Filed 1998·Granted Aug 22, 2000·16 cites·19 claims
- 4639US5835492ANetwork for mutually connecting computers and communicating method using such networkHITACHI LTD·Filed 1995·Granted Nov 10, 1998·11 cites·31 claims
- 4735US5517619AInterconnection network and crossbar switch for the sameHITACHI LTD·Filed 1994·Granted May 14, 1996·6 cites·5 claims
- 4832US6970912B2Computer system having a plurality of computers each providing a shared storage access processing mechanism for controlling local/remote access to shared storage devicesHITACHI LTD·Filed 1999·Granted Nov 29, 2005·4 cites·20 claims
- 4932US5936955ANetwork for mutually connecting computers and communicating method using such networkHITACHI LTD·Filed 1997·Granted Aug 10, 1999·4 cites·10 claims
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