Inventor · disambiguated record
Keizo Harada
Also filed as: HARADA KEIZO
54 granted patents·6 pending applications·688 citations·filing 1988–2025
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES47YAMAHA CORP9HARADA KEIZO1HASHIMOTO RYUJI1SUMIMOTO ELECTRIC IND LTD1
Top patents by PatentIndex Score
60 records- 0192US6387149B1Metal porous bodies, method for preparation thereof and metallic composite materials using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted May 14, 2002·28 cites·11 claims
- 0291US5643834AProcess for manufacturing a semiconductor substrate comprising laminated copper, silicon oxide and silicon nitride layersSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jul 1, 1997·121 cites·6 claims
- 0388US8148617B2Drum pad and manufacturing method thereofHASHIMOTO RYUJI·Filed 2010·Granted Apr 3, 2012·9 cites·37 claims
- 0486US5640669AProcess for preparing metallic porous body, electrode substrate for battery and process for preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jun 17, 1997·51 cites·23 claims
- 0581US6402488B2Oil pumpSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jun 11, 2002·19 cites·10 claims
- 0675US10192534B2Percussion instrumentYAMAHA CORP·Filed 2018·Granted Jan 29, 2019·3 cites·20 claims
- 0774US8521415B2Traveling vehicle and method of controlling the sameHARADA KEIZO·Filed 2011·Granted Aug 27, 2013·8 cites·6 claims
- 0873US10171901B2Sound pickup device and sound processing deviceYAMAHA CORP·Filed 2017·Granted Jan 1, 2019·2 cites·18 claims
- 0973US5851599ABattery electrode substrate and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Dec 22, 1998·17 cites·3 claims
- 1071US5455453APlastic package type semiconductor device having a rolled metal substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Oct 3, 1995·40 cites·10 claims
- 1170US5597665APorous metal body, process for producing the same and battery plate formed therefromSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jan 28, 1997·38 cites·8 claims
- 1270US5179070ASemiconductor substrate having a superconducting thin film with a buffer layer in betweenSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Jan 12, 1993·24 cites·6 claims
- 1370US2025347552A1Hit Detection Device and Musical InstrumentYAMAHA CORP·Filed 2025·Application pending·0 cites
- 1469US4866032AMethod and apparatus for producing thin film of high to superconductor compound having large areaSUMIMOTO ELECTRIC IND LTD·Filed 1988·Granted Sep 12, 1989·26 cites·12 claims
- 1569US2024379130A1Signal processing device and signal processing methodYAMAHA CORP·Filed 2024·Application pending·0 cites
- 1668US6840978B2Porous metal article, metal composite material using the article and method for production thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Jan 11, 2005·5 cites·27 claims
- 1768US2025378804A1Drumhead fastening device and drumYAMAHA CORP·Filed 2025·Application pending·0 cites
- 1864US11900905B2Signal output deviceYAMAHA CORP·Filed 2020·Granted Feb 13, 2024·0 cites·14 claims
- 1964US5143896AProcess and system for preparing a superconducting thin film of oxideSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Sep 1, 1992·22 cites·8 claims
- 2063US5180708AProcess and apparatus for preparing superconducting thin filmsSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Jan 19, 1993·17 cites·12 claims
- 2163US4942152AProcess for preparting a bismuth-type compound oxide superconductorSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Jul 17, 1990·21 cites·20 claims
- 2261US5468973AStacked Josephson junction device composed of oxide superconductor materialSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Nov 21, 1995·16 cites·11 claims
- 2360US2024404312A1Information Processing Apparatus, Method of Processing Information, and Non-Transitory Computer-Readable Storage MediumYAMAHA CORP·Filed 2024·Application pending·0 cites
- 2459US7998621B2Collector, battery electrode substrate, and methods for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Aug 16, 2011·0 cites·13 claims
- 2557US5135906ASuperconducting thin film of compound oxide and process for preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Aug 4, 1992·18 cites·4 claims
- 2656US11790879B2Impact detection device and percussion instrumentYAMAHA CORP·Filed 2021·Granted Oct 17, 2023·0 cites·12 claims
- 2754US4996185ACeramic superconducting thin filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Feb 26, 1991·11 cites·13 claims
- 2853US7588861B2Battery electrode producing method of filling active material into a metal coated fabric substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Sep 15, 2009·0 cites·1 claims
- 2953US6020089AElectrode plate for batterySUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Feb 1, 2000·19 cites·7 claims
- 3053US5968685ABattery electrode substrate and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Oct 19, 1999·6 cites·4 claims
- 3152US6103319ABattery electrode substrate and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Aug 15, 2000·6 cites·1 claims
- 3251US5910662ASemiconductor substrate having a superconducting thin filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jun 8, 1999·9 cites·9 claims
- 3351US5712227ASubstrate having a superconductor layerSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Jan 27, 1998·10 cites·2 claims
- 3450US5428005ASuperconducting thin film of compound oxide and a process of preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jun 27, 1995·13 cites·2 claims
- 3548US5182256AProcess and apparatus for preparing superconducting thin filmsSUMITOMO ELECTRIC INDUSTRIES·Filed 1991·Granted Jan 26, 1993·11 cites·13 claims
- 3647US5965298AElectrode plate for battery and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Oct 12, 1999·13 cites·5 claims
- 3747US5084265AProcess for preparing a thin film of superconducting compound oxideSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Jan 28, 1992·7 cites·14 claims
- 3847US2014234725A1Method for producing nonaqueous-electrolyte battery and nonaqueous-electrolyte batterySUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Application pending·0 cites
- 3946US6071650ABattery electrode substrate and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jun 6, 2000·4 cites·2 claims
- 4046US5369220AWiring board having laminated wiring patternsSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Nov 29, 1994·15 cites·12 claims
- 4145US10187714B2Sound pickup device and sound processing deviceYAMAHA CORP·Filed 2017·Granted Jan 22, 2019·0 cites·16 claims
- 4242US5057201AProcess for depositing a superconducting thin filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Oct 15, 1991·8 cites·49 claims
- 4342US2005112353A1Porous member, method of manufacturing the same and electrochemical device using the sameFiled 2004·Application pending·0 cites
- 4439US4822359AIntraocular lens with coated diamond-like carbon filmSUMITOMO ELECTRIC INDUSTRIES·Filed 1988·Granted Apr 18, 1989·23 cites·2 claims
- 4538US5888658ABattery electrode substrate and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Mar 30, 1999·2 cites·1 claims
- 4638US5296455AProcess for preparing superconductor of compound oxide of Bi-Sr-Ca-Cu systemSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Mar 22, 1994·6 cites·18 claims
- 4738US5206214AMethod of preparing thin film of superconductorSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Apr 27, 1993·5 cites·25 claims
- 4837US5733684AElectrode substrate for battery and process for preparing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Mar 31, 1998·8 cites·8 claims
- 4937US5350737AMBE process for preparing oxide superconducting filmsSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Sep 27, 1994·4 cites·10 claims
- 5036US5416062AThin film superconductor with an interlayer on a silicon substrateSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted May 16, 1995·4 cites·4 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →