Inventor · disambiguated record
Ikuya Kawasaki
Also filed as: KAWASAKI IKUYA
43 granted patents·1 pending application·1,653 citations·filing 1987–2004
98Inventor score
Top patents by PatentIndex Score
44 records- 0196US5778237AData processor and single-chip microcomputer with changing clock frequency and operating voltageHITACHI LTD·Filed 1995·Granted Jul 7, 1998·406 cites·23 claims
- 0290US5835963AProcessor with an addressable address translation buffer operative in associative and non-associative modesHITACHI LTD·Filed 1995·Granted Nov 10, 1998·171 cites·32 claims
- 0388US5796978AData processor having an address translation buffer operable with variable page sizesHITACHI LTD·Filed 1995·Granted Aug 18, 1998·133 cites·30 claims
- 0486US5774701AMicroprocessor operating at high and low clok frequenciesHITACHI LTD·Filed 1995·Granted Jun 30, 1998·135 cites·34 claims
- 0582US5848247AMicroprocessor having PC card interfaceHITACHI LTD·Filed 1995·Granted Dec 8, 1998·80 cites·41 claims
- 0675US6047354AData processor for implementing virtual pages using a cache and registerHITACHI LTD·Filed 1998·Granted Apr 4, 2000·62 cites·30 claims
- 0775US4894768AData processing system with coprocessorHITACHI LTD·Filed 1987·Granted Jan 16, 1990·56 cites·3 claims
- 0873US6038661ASingle-chip data processor handling synchronous and asynchronous exceptions by branching from a first exception handler to a second exception handlerHITACHI LTD·Filed 1995·Granted Mar 14, 2000·59 cites·15 claims
- 0972US4954942ASoftware debugging system for writing a logical address conversion data into a trace memory of an emulatorHITACHI LTD·Filed 1988·Granted Sep 4, 1990·38 cites·1 claims
- 1070US4845614AMicroprocessor for retrying data transferHITACHI LTD·Filed 1987·Granted Jul 4, 1989·40 cites·8 claims
- 1169US5907867ATranslation lookaside buffer supporting multiple page sizesHITACHI LTD·Filed 1996·Granted May 25, 1999·59 cites·4 claims
- 1268US6792493B2Data processing system having a card type interface with assigned addressingHITACHI LTD·Filed 2003·Granted Sep 14, 2004·10 cites·6 claims
- 1367US6425039B2Accessing exception handlers without translating the addressHITACHI LTD·Filed 1999·Granted Jul 23, 2002·42 cites·12 claims
- 1467US5278962ASystem for logical address conversion data fetching from external storage and indication signal for indicating the information externallyHITACHI LTD·Filed 1990·Granted Jan 11, 1994·42 cites·21 claims
- 1567US4989140ASingle chip pipeline data processor using instruction and operand cache memories for parallel operation of instruction control and executions unitHITACHI LTD·Filed 1989·Granted Jan 29, 1991·21 cites·48 claims
- 1664US6810454B2Information processing apparatus having a bus using the protocol of the acknowledge type in the source clock synchronous systemRENESAS TECH CORP·Filed 2003·Granted Oct 26, 2004·8 cites·10 claims
- 1763US5193159AMicroprocessor systemHITACHI LTD·Filed 1991·Granted Mar 9, 1993·44 cites·35 claims
- 1863US4897787AData processing systemHITACHI LTD·Filed 1987·Granted Jan 30, 1990·25 cites·27 claims
- 1959US5564041AMicroprocessor for inserting a bus cycle in an instruction set to output an internal information for an emulationHITACHI LTD·Filed 1994·Granted Oct 8, 1996·34 cites·6 claims
- 2057US6049844AMicroprocessor having a PC card type interfaceHITACHI LTD·Filed 1998·Granted Apr 11, 2000·23 cites·15 claims
- 2156US5125095ASystem using microprocessor address lines for coprocessor selection within a multi-coprocessor apparatusHITACHI MICROCUMPUTER ENG·Filed 1991·Granted Jun 23, 1992·30 cites·13 claims
- 2251US6665807B1Information processing apparatusHITACHI LTD·Filed 1999·Granted Dec 16, 2003·23 cites·16 claims
- 2350US7100055B2Information storage system, information transfer system and storage medium thereofHITACHI LTD·Filed 2001·Granted Aug 29, 2006·1 cites·8 claims
- 2448US2004177231A1Data processorHITACHI LTD·Filed 2004·Application pending·0 cites
- 2545US6779102B2Data processor capable of executing an instruction that makes a cache memory ineffectiveHITACHI LTD·Filed 2001·Granted Aug 17, 2004·0 cites·89 claims
- 2643US6708304B1Semiconductor deviceRENESAS TECH CORP·Filed 1998·Granted Mar 16, 2004·11 cites·18 claims
- 2743US6594720B1Data processing system having a PC card type interface with assigned addressingHITACHI LTD·Filed 1999·Granted Jul 15, 2003·11 cites·23 claims
- 2843US6539444B1Information processing apparatus having a bus using the protocol of the acknowledge type in the source clock synchronous systemHITACHI LTD·Filed 1999·Granted Mar 25, 2003·11 cites·24 claims
- 2943US5206945ASingle-chip pipeline processor for fetching/flushing instruction/data caches in response to first/second hit/mishit signal respectively detected in corresponding to their logical addressesHITACHI LTD·Filed 1990·Granted Apr 27, 1993·15 cites·42 claims
- 3039US4926321AMethod of searching a queue in response to a search instructionSAKAMURA KEN·Filed 1987·Granted May 15, 1990·9 cites·5 claims
- 3138US4941085AData processing system having apparatus for increasing the execution speed of bit field instructionsSAKAMURA KEN·Filed 1987·Granted Jul 10, 1990·9 cites·6 claims
- 3236US5220670AMicroprocessor having ability to carry out logical operation on internal busHITACHI LTD·Filed 1989·Granted Jun 15, 1993·6 cites·8 claims
- 3335US6272596B1Data processorHITACHI LTD·Filed 1999·Granted Aug 7, 2001·3 cites·8 claims
- 3435US5210835AData processing system having apparatus for increasing the execution speed of bit field instructionsSAKAMURA KEN·Filed 1990·Granted May 11, 1993·8 cites·20 claims
- 3534US4954943AData processing systemHITACHI LTD·Filed 1989·Granted Sep 4, 1990·4 cites·16 claims
- 3633US5809274APurge control for ON-chip cache memoryHITACHI LTD·Filed 1997·Granted Sep 15, 1998·2 cites·4 claims
- 3733US5170474AMethod of searching a queue in response to a search instructionHITACHI LTD·Filed 1991·Granted Dec 8, 1992·6 cites·9 claims
- 3832US5398319AMicroprocessor having apparatus for dynamically controlling a kind of operation to be performed by instructions to be executedSAKAMURA KEN·Filed 1992·Granted Mar 14, 1995·5 cites·22 claims
- 3932US5187782AData processing systemHITACHI LTD·Filed 1990·Granted Feb 16, 1993·4 cites·20 claims
- 4032US5129075AData processor with on-chip logical addressing and off-chip physical addressingHITACHI LTD·Filed 1990·Granted Jul 7, 1992·2 cites·9 claims
- 4131US5974533AData processorHITACHI LTD·Filed 1998·Granted Oct 26, 1999·1 cites·4 claims
- 4231US5349672AData processor having logical address memories and purge capabilitiesHITACHI LTD·Filed 1990·Granted Sep 20, 1994·3 cites·54 claims
- 4330US5680631AData processor with on-chip cache memory and purge controller responsive to external signal for controlling access to the cache memoryHITACHI LTD·Filed 1992·Granted Oct 21, 1997·0 cites·6 claims
- 4429US5073856AMethod of searching a queue in response to a search instructionHITACHI LTD·Filed 1990·Granted Dec 17, 1991·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →