Inventor · disambiguated record
Isao Shimizu
Also filed as: SHIMIZU ISAO
38 granted patents·3 pending applications·1,188 citations·filing 1981–2022
98Inventor score
Top patents by PatentIndex Score
41 records- 0198US6400173B1Test system and manufacturing of semiconductor deviceHITACHI LTD·Filed 2000·Granted Jun 4, 2002·152 cites·12 claims
- 0296US6727723B2Test system and manufacturing of semiconductor deviceRENESAS TECH CORP·Filed 2002·Granted Apr 27, 2004·80 cites·15 claims
- 0396US4618397AMethod of manufacturing semiconductor device having a pressure sensorHITACHI LTD·Filed 1985·Granted Oct 21, 1986·129 cites·9 claims
- 0490US6233182B1Semiconductor integrated circuit and method for testing memoryHITACHI LTD·Filed 1998·Granted May 15, 2001·81 cites·37 claims
- 0589US5351071AThermal printerHITACHI LTD·Filed 1990·Granted Sep 27, 1994·66 cites·18 claims
- 0687US9705505B2Reconfigurable semiconductor deviceTAIYO YUDEN KK·Filed 2016·Granted Jul 11, 2017·6 cites·16 claims
- 0785US5273014AIntake system for engineMAZDA MOTOR·Filed 1992·Granted Dec 28, 1993·52 cites·20 claims
- 0885US5046820AObjective lens driving apparatusHITACHI LTD·Filed 1990·Granted Sep 10, 1991·41 cites·15 claims
- 0984US6467056B1Semiconductor integrated circuit and method of checking memoryHITACHI LTD·Filed 1999·Granted Oct 15, 2002·54 cites·3 claims
- 1083US5765372ALean burn engine for automobileMAZDA MOTOR·Filed 1995·Granted Jun 16, 1998·46 cites·19 claims
- 1182US4672411APressure sensorHITACHI LTD·Filed 1984·Granted Jun 9, 1987·39 cites·29 claims
- 1279US5001498AThermal transfer printerHITACHI LTD·Filed 1989·Granted Mar 19, 1991·27 cites·14 claims
- 1379US4969207ARadio receiver with reception deterioration compensationNIPPON TELEGRAPH & TELEPHONE·Filed 1988·Granted Nov 6, 1990·49 cites·4 claims
- 1477US4817197AMobile communication apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1987·Granted Mar 28, 1989·44 cites·9 claims
- 1576US5260675ALadder-type electric filter deviceNGK SPARK PLUG CO·Filed 1992·Granted Nov 9, 1993·27 cites·11 claims
- 1675US6816868B1Database systemOBUN INSATSU CO LTD·Filed 2000·Granted Nov 9, 2004·25 cites·9 claims
- 1773US5291012AHigh resolution optical microscope and irradiation spot beam-forming maskSHIMIZU ISAO·Filed 1992·Granted Mar 1, 1994·45 cites·7 claims
- 1871US6052255AMagnetic disk unit having anti-impact arrangementHITACHI LTD·Filed 1995·Granted Apr 18, 2000·25 cites·15 claims
- 1966US9425800B2Reconfigurable logic deviceTAIYO YUDEN KK·Filed 2014·Granted Aug 23, 2016·3 cites·14 claims
- 2066US5210547AImage printing method and systemHITACHI LTD·Filed 1990·Granted May 11, 1993·36 cites·3 claims
- 2165US9514259B2Logic configuration method for reconfigurable semiconductor deviceTAIYO YUDEN KK·Filed 2013·Granted Dec 6, 2016·2 cites·33 claims
- 2265US7769243B2Method and apparatus for image inspectionJAPAN SCIENCE & TECH AGENCY·Filed 2005·Granted Aug 3, 2010·4 cites·23 claims
- 2364US4639757APower transistor structure having an emitter ballast resistanceHITACHI LTD·Filed 1981·Granted Jan 27, 1987·18 cites·16 claims
- 2464US2024225969A1Composite surface-treated inorganic powderTAYCA CORP·Filed 2022·Application pending·0 cites
- 2562US4500900AEmitter ballast resistor configurationHITACHI LTD·Filed 1982·Granted Feb 19, 1985·16 cites·13 claims
- 2661US5671197AMiniature magnetic disk device and voice coil actuator thereofHITACHI LTD·Filed 1996·Granted Sep 23, 1997·15 cites·22 claims
- 2760US4591780AConstant current source device having a ratio metricity between supply voltage and output currentHITACHI LTD·Filed 1983·Granted May 27, 1986·15 cites·9 claims
- 2857US9729154B2Reconfigurable logic device configured as a logic element or a connection elementTAIYO YUDEN KK·Filed 2014·Granted Aug 8, 2017·1 cites·16 claims
- 2955US4407462AWeb drive apparatusHITACHI LTD·Filed 1981·Granted Oct 4, 1983·8 cites·10 claims
- 3054US4588472AMethod of fabricating a semiconductor deviceHITACHI LTD·Filed 1984·Granted May 13, 1986·18 cites·12 claims
- 3153US4973233AFour-rotor type rotary piston engineMAZDA MOTOR·Filed 1990·Granted Nov 27, 1990·19 cites·8 claims
- 3251US6724647B1Variable logical circuit, semiconductor integrated circuit, and method for manufacturing semiconductor integrated circuitRENESAS TECH CORP·Filed 2000·Granted Apr 20, 2004·6 cites·27 claims
- 3349US6484342B2Fuel supply device for direct injection engineMAZDA MOTOR·Filed 2001·Granted Nov 26, 2002·6 cites·9 claims
- 3449US4885628ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1989·Granted Dec 5, 1989·18 cites·8 claims
- 3546US5542114ARadio receiver for suppressing frequency drift in an intermediate frequency stageNEC CORP·Filed 1995·Granted Jul 30, 1996·12 cites·3 claims
- 3645US9923561B2Reconfigurable deviceTAIYO YUDEN KK·Filed 2015·Granted Mar 20, 2018·0 cites·7 claims
- 3745US2005038804A1Database systemOBUN INSATSU CO LTD·Filed 2004·Application pending·0 cites
- 3842US9641180B2Reconfigurable semiconductor deviceTAIYO YUDEN KK·Filed 2016·Granted May 2, 2017·0 cites·8 claims
- 3938US2004175850A1Test system and manufacturing of semiconductor deviceRENESAS TECH CORP·Filed 2004·Application pending·0 cites
- 4037US9628084B2Reconfigurable logic deviceTAIYO YUDEN KK·Filed 2016·Granted Apr 18, 2017·0 cites·11 claims
- 4119US5869209AHologram recording apparatus and methodADVANCED TECHNOLOGY RESEARCH C·Filed 1996·Granted Feb 9, 1999·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →