Inventor · disambiguated record
Shigezumi Matsui
Also filed as: MATSUI SHIGEZUMI
46 granted patents·959 citations·filing 1988–2024
98Inventor score
Files withHITACHI LTD17RENESAS ELECTRONICS CORP15RENESAS TECH CORP9BETSUI TAKAFUMI1DIAMOND&ZEBRA ELECTRIC MFG CO LTD1
Top patents by PatentIndex Score
46 records- 0198US6657911B2Semiconductor device with low power consumption memory circuitHITACHI LTD·Filed 2002·Granted Dec 2, 2003·111 cites·14 claims
- 0295US7272068B2Semiconductor deviceHITACHI LTD·Filed 2006·Granted Sep 18, 2007·23 cites·13 claims
- 0394US7474584B2Semiconductor deviceRENESAS TECH CORP·Filed 2007·Granted Jan 6, 2009·18 cites·9 claims
- 0493US7961545B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2009·Granted Jun 14, 2011·14 cites·14 claims
- 0591US7646662B2Semiconductor deviceRENESAS TECH CORP·Filed 2008·Granted Jan 12, 2010·12 cites·10 claims
- 0690US9214221B2Semiconductor device with logic circuit, SRAM circuit and standby stateRENESAS ELECTRONICS CORP·Filed 2014·Granted Dec 15, 2015·6 cites·8 claims
- 0790US7321525B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2006·Granted Jan 22, 2008·25 cites·27 claims
- 0889US6914803B2Low-power semiconductor memory deviceHITACHI LTD·Filed 2003·Granted Jul 5, 2005·25 cites·4 claims
- 0988US7099183B2Semiconductor deviceHITACHI LTD·Filed 2005·Granted Aug 29, 2006·10 cites·8 claims
- 1086US5774701AMicroprocessor operating at high and low clok frequenciesHITACHI LTD·Filed 1995·Granted Jun 30, 1998·135 cites·34 claims
- 1183US7412616B2Semiconductor integrated circuitRENESAS TECH CORP·Filed 2004·Granted Aug 12, 2008·39 cites·7 claims
- 1282US5848247AMicroprocessor having PC card interfaceHITACHI LTD·Filed 1995·Granted Dec 8, 1998·80 cites·41 claims
- 1379US7123049B2Output buffer circuit with control circuit for modifying supply voltage and transistor sizeRENESAS TECH CORP·Filed 2005·Granted Oct 17, 2006·8 cites·15 claims
- 1478US7000140B2Data processor and data processing systemRENESAS TECH CORP·Filed 2001·Granted Feb 14, 2006·30 cites·22 claims
- 1577US8898613B2Data processing deviceRENESAS ELECTRONICS CORP·Filed 2014·Granted Nov 25, 2014·3 cites·20 claims
- 1676US5511178ACache control system equipped with a loop lock indicator for indicating the presence and/or absence of an instruction in a feedback loop sectionHITACHI LTD·Filed 1993·Granted Apr 23, 1996·68 cites·26 claims
- 1775US8386992B2Data processing deviceRENESAS ELECTRONICS CORP·Filed 2011·Granted Feb 26, 2013·3 cites·5 claims
- 1875US6542982B2Data processer and data processing systemHITACHI LTD·Filed 2001·Granted Apr 1, 2003·20 cites·22 claims
- 1973US12341346B2Renewable energy-use power systemDIAMOND&ZEBRA ELECTRIC MFG CO LTD·Filed 2024·Granted Jun 24, 2025·0 cites·2 claims
- 2073US6038661ASingle-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
- 2172US9530457B2Data processing deviceRENESAS ELECTRONICS CORP·Filed 2014·Granted Dec 27, 2016·2 cites·6 claims
- 2272US4954942ASoftware 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
- 2368US7003763B2Data processorHITACHI ULSI SYS CO LTD·Filed 2001·Granted Feb 21, 2006·15 cites·6 claims
- 2468US6937059B2Output buffer circuit with control circuit for modifying supply voltage and transistor sizeRENESAS TECH CORP·Filed 2003·Granted Aug 30, 2005·11 cites·15 claims
- 2568US6792493B2Data processing system having a card type interface with assigned addressingHITACHI LTD·Filed 2003·Granted Sep 14, 2004·10 cites·6 claims
- 2667US6425039B2Accessing exception handlers without translating the addressHITACHI LTD·Filed 1999·Granted Jul 23, 2002·42 cites·12 claims
- 2767US5278962ASystem 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
- 2866US6434691B2Cell phones with instruction pre-fetch buffers allocated to low bit address ranges and having validating flagsHITACHI LTD·Filed 2001·Granted Aug 13, 2002·11 cites·5 claims
- 2965US8581302B2Semiconductor device including chip with complementary I/O cellsKINOSHITA MITSUYA·Filed 2011·Granted Nov 12, 2013·3 cites·6 claims
- 3064US10726878B2Data processing deviceRENESAS ELECTRONICS CORP·Filed 2018·Granted Jul 28, 2020·0 cites·1 claims
- 3164US7528473B2Electronic circuit, a semiconductor device and a mounting substrateRENESAS TECH CORP·Filed 2004·Granted May 5, 2009·12 cites·13 claims
- 3263US7996821B2Data processorRENESAS ELECTRONICS CORP·Filed 2005·Granted Aug 9, 2011·3 cites·15 claims
- 3363US6952112B2Output buffer circuit with control circuit for modifying supply voltage and transistor sizeRENESAS TECH CORP·Filed 2000·Granted Oct 4, 2005·8 cites·16 claims
- 3462US8091061B2Microcomputer having memory interface circuits and memory devices on a module boardBETSUI TAKAFUMI·Filed 2006·Granted Jan 3, 2012·3 cites·8 claims
- 3561US10573376B2Lower-power semiconductor memory deviceRENESAS ELECTRONICS CORP·Filed 2019·Granted Feb 25, 2020·0 cites·22 claims
- 3660US7945801B2Semiconductor integrated circuitRENESAS ELECTRONICS CORP·Filed 2008·Granted May 17, 2011·2 cites·5 claims
- 3759US5564041AMicroprocessor 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
- 3858US10229732B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2018·Granted Mar 12, 2019·0 cites·50 claims
- 3957US9928900B2Low power semiconductor memory deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Mar 27, 2018·0 cites·23 claims
- 4057US6049844AMicroprocessor having a PC card type interfaceHITACHI LTD·Filed 1998·Granted Apr 11, 2000·23 cites·15 claims
- 4155US9754659B2Low-power semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2015·Granted Sep 5, 2017·0 cites·8 claims
- 4253US9792959B2Data processing deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Oct 17, 2017·0 cites·14 claims
- 4351US10020028B2Data processing deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Jul 10, 2018·0 cites·16 claims
- 4451US8711607B2Semiconductor deviceYAMAOKA MASANAO·Filed 2011·Granted Apr 29, 2014·0 cites·3 claims
- 4550US8694949B2Data processing deviceRENESAS ELECTRONICS CORP·Filed 2013·Granted Apr 8, 2014·0 cites·13 claims
- 4643US6594720B1Data processing system having a PC card type interface with assigned addressingHITACHI LTD·Filed 1999·Granted Jul 15, 2003·11 cites·23 claims
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