Inventor · disambiguated record
Kouichi Yamada
Also filed as: YAMADA KOUICHI
81 granted patents·10 pending applications·1,388 citations·filing 1975–2019
99Inventor score
Files withSANYO ELECTRIC CO22SUMITOMO ELECTRIC INDUSTRIES17MITSUBISHI ELECTRIC CORP8YAMADA KOUICHI7TOSHIBA TEC KK6
Top patents by PatentIndex Score
91 records- 0194US5091609AInsulated wireSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Feb 25, 1992·112 cites·10 claims
- 0292US8646776B2Image forming apparatus with reversely-rotatable roller of differential velocitiesAGATA JUN·Filed 2010·Granted Feb 11, 2014·18 cites·15 claims
- 0392US5475666AOptically modulated overwritable recording deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Dec 12, 1995·75 cites·29 claims
- 0488US5336851AInsulated electrical conductor wire having a high operating temperatureSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Aug 9, 1994·66 cites·15 claims
- 0587US5986939ANon-volatile semiconductor memory deviceSANYO ELECTRIC CO·Filed 1998·Granted Nov 16, 1999·72 cites·18 claims
- 0686US6549455B2Magnetic memory device including storage element exhibiting ferromagnetic tunnel effectSANYO ELECTRIC CO·Filed 2001·Granted Apr 15, 2003·42 cites·24 claims
- 0786US5436409AElectrical conductor member such as a wire with an inorganic insulating coatingSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jul 25, 1995·50 cites·17 claims
- 0885US9294598B2Switch circuitYAMADA KOUICHI·Filed 2011·Granted Mar 22, 2016·9 cites·19 claims
- 0985US5372886AInsulated wire with an intermediate adhesion layer and an insulating layerSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Dec 13, 1994·50 cites·11 claims
- 1084US5118569AReinforcement sheetTEIJIN LTD·Filed 1989·Granted Jun 2, 1992·48 cites·9 claims
- 1183US8654493B2Protection circuit and input/output circuitWADA ATSUSHI·Filed 2012·Granted Feb 18, 2014·5 cites·6 claims
- 1281US9488268B2Hydraulic pressure control apparatusKEIHIN CORP·Filed 2014·Granted Nov 8, 2016·6 cites·7 claims
- 1381US7933148B2MemoryPATRENELLA CAPITAL LTD LLC·Filed 2009·Granted Apr 26, 2011·10 cites·21 claims
- 1481US6899479B2Printer and commodity information processing apparatusTOSHIBA TEC KK·Filed 2003·Granted May 31, 2005·25 cites·12 claims
- 1579US9438160B2Motor drive apparatusDENSO CORP·Filed 2013·Granted Sep 6, 2016·4 cites·11 claims
- 1679US6793424B2Cutter device having detachable blade and printer having the sameTOSHIBA TEC KK·Filed 2003·Granted Sep 21, 2004·15 cites·8 claims
- 1779US5495617AOn demand powering of necesssary portions of execution unit by decoding instruction word field indications which unit is required for executionNEC CORP·Filed 1995·Granted Feb 27, 1996·91 cites·11 claims
- 1877US7476945B2Memory having reduced memory cell sizeSANYO ELECTRIC CO·Filed 2005·Granted Jan 13, 2009·8 cites·9 claims
- 1976US7366004B2MemorySANYO ELECTRIC CO·Filed 2006·Granted Apr 29, 2008·10 cites·20 claims
- 2076US5107483AFrequency selective optical data record/regenerate apparatusMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 21, 1992·20 cites·23 claims
- 2175US6760244B2Magnetic memory device including storage elements exhibiting a ferromagnetic tunnel effectSANYO ELECTRIC CO·Filed 2003·Granted Jul 6, 2004·20 cites·20 claims
- 2274US7348640B2Memory deviceSANYO ELECTRIC CO·Filed 2005·Granted Mar 25, 2008·10 cites·14 claims
- 2374US7050118B2Digital broadcast receiving apparatusSANYO ELECTRIC CO·Filed 2001·Granted May 23, 2006·13 cites·9 claims
- 2474US4064616AMethod for constructing a blast furnaceSANKYU KK·Filed 1976·Granted Dec 27, 1977·21 cites·2 claims
- 2573US4009398ASawtooth wave form circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Feb 22, 1977·16 cites·2 claims
- 2671US7379087B2Chat management systemMITSUBISHI ELECTRIC CORP·Filed 2002·Granted May 27, 2008·16 cites·8 claims
- 2771US6424002B1Transistor, transistor array and non-volatile semiconductor memorySANYO ELECTRIC CO·Filed 1998·Granted Jul 23, 2002·29 cites·14 claims
- 2870US5350638AElectrical insulated wireSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Sep 27, 1994·29 cites·7 claims
- 2969US8004908B2Double edge triggered flip-flop circuitSANYO ELECTRIC CO·Filed 2008·Granted Aug 23, 2011·5 cites·16 claims
- 3069US7652908B2Ferroelectric memory having a refresh control circuit capable of recovering residual polarization of unselected memory cellsMIYAMOTO HIDEAKI·Filed 2005·Granted Jan 26, 2010·7 cites·10 claims
- 3169US6097059ATransistor, transistor array, method for manufacturing transistor array, and nonvolatile semiconductor memorySANYO ELECTRIC CO·Filed 1997·Granted Aug 1, 2000·27 cites·18 claims
- 3268US7593257B2MemoryMURAYAMA YOSHIKI·Filed 2006·Granted Sep 22, 2009·7 cites·26 claims
- 3368US6097161ACharge pump type booster circuitSANYO ELECTRIC CO·Filed 1999·Granted Aug 1, 2000·37 cites·20 claims
- 3468US5468557ACeramic insulated electrical conductor wire and method for manufacturing such a wireSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Nov 21, 1995·25 cites·8 claims
- 3567US8507138B2Ejector for fuel cell systemYAMADA KOUICHI·Filed 2009·Granted Aug 13, 2013·4 cites·12 claims
- 3667US5139820AMethod of manufacturing ceramic insulated wireSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Aug 18, 1992·26 cites·9 claims
- 3766US8513716B2Semiconductor deviceUEDA YOSHITAKA·Filed 2011·Granted Aug 20, 2013·3 cites·5 claims
- 3866US7054217B2Semiconductor memory deviceSANYO ELECTRIC CO·Filed 2004·Granted May 30, 2006·13 cites·23 claims
- 3965US5170382AMagneto-optical recording apparatus for creating magnetic domains with reduced tailsMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Dec 8, 1992·15 cites·30 claims
- 4064US7961013B2Inverter circuitSANYO ELECTRIC CO·Filed 2008·Granted Jun 14, 2011·4 cites·8 claims
- 4164US5202836AAutomated management system for car frames and production methodHONDA MOTOR CO LTD·Filed 1991·Granted Apr 13, 1993·37 cites·10 claims
- 4264US5105531AMethod of manufacturing a coil of insulated wireSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Apr 21, 1992·23 cites·5 claims
- 4363US6356916B1Replica system and method of producing a replicaMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Mar 12, 2002·37 cites·11 claims
- 4462US7248304B2Digital broadcast receiving apparatusSANYO ELECTRIC CO·Filed 2006·Granted Jul 24, 2007·1 cites·10 claims
- 4562US6822895B2Magnetic memory deviceSANYO ELECTRIC CO·Filed 2002·Granted Nov 23, 2004·12 cites·19 claims
- 4662US5531111AStructure of a volumetric measuring apparatusNIPPON DENSO CO·Filed 1995·Granted Jul 2, 1996·31 cites·24 claims
- 4761US7518900B2MemorySANYO ELECTRIC CO·Filed 2006·Granted Apr 14, 2009·4 cites·17 claims
- 4861US2020090154A1Pos deviceTOSHIBA TEC KK·Filed 2019·Application pending·0 cites
- 4960US9234577B2Hydraulic pressure control apparatusKEIHIN CORP·Filed 2014·Granted Jan 12, 2016·1 cites·5 claims
- 5060US7723723B2MemorySANYO ELECTRIC CO·Filed 2006·Granted May 25, 2010·1 cites·20 claims
Showing the top 50 of 91 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →