Inventor · disambiguated record
Akira Kawakami
Also filed as: AOKI YOSHIO · KAWAKAMI AKIRA
67 granted patents·16 pending applications·910 citations·filing 1974–2022
99Inventor score
Top patents by PatentIndex Score
83 records- 0197US4773740AElectrochromic display deviceHITACHI MAXELL·Filed 1987·Granted Sep 27, 1988·230 cites·7 claims
- 0295US4793695AElectrochromic display deviceHITACHI MAXELL·Filed 1987·Granted Dec 27, 1988·169 cites·13 claims
- 0387US11473173B2α+βtitanium alloy extruded shapeNIPPON STEEL CORP·Filed 2016·Granted Oct 18, 2022·2 cites·4 claims
- 0483US7771841B2Ultrathin copper foil with carrier and printed circuit board using sameFURUKAWA ELECTRIC CO LTD·Filed 2006·Granted Aug 10, 2010·12 cites·6 claims
- 0583US5334267ASputtering target for magnetic recording medium and method of producing the sameHITACHI METALS LTD·Filed 1993·Granted Aug 2, 1994·52 cites·4 claims
- 0679US6327234B1System for discriminating optical discsPIONEER ELECTRONIC CORP·Filed 2000·Granted Dec 4, 2001·12 cites·1 claims
- 0778US5820699AMartensitic stainless steel having excellent hot workability and sulfide stress cracking resistanceNIPPON STEEL CORP·Filed 1995·Granted Oct 13, 1998·21 cites·4 claims
- 0877US6487153B2System for discriminating optical discsPIONEER ELECTRONIC CORP·Filed 2001·Granted Nov 26, 2002·10 cites·2 claims
- 0976US8097380B2Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of themWATANABE NAOKI·Filed 2007·Granted Jan 17, 2012·2 cites·22 claims
- 1075US12421583B2Steel sheet for hot-dip galvanizing, hot-dip galvanized steel sheet, and alloyed hot-dip galvannealed steel sheetKOBE STEEL LTD·Filed 2022·Granted Sep 23, 2025·0 cites·20 claims
- 1174US6835696B2Method of forming a superconductor filmCOMM RES LAB INDEPENDENT ADMIN·Filed 2002·Granted Dec 28, 2004·14 cites·12 claims
- 1273US6780623B1Low temperature expression cDNAs encoding fructan synthesizing enzymes and method of isolating the sameNAT AGRICULTURAL RES ORG·Filed 2000·Granted Aug 24, 2004·6 cites·4 claims
- 1371US9624566B2Alpha and beta titanium alloy sheet excellent in cold rollability and cold handling property and process for producing the sameKAWAKAMI AKIRA·Filed 2012·Granted Apr 18, 2017·1 cites·2 claims
- 1470US9252435B2Solid oxide fuel cell deviceTOTO LTD·Filed 2012·Granted Feb 2, 2016·1 cites·5 claims
- 1570US5227043AIonic conductive polymer electrolyte and cell comprising the sameHITACHI MAXELL·Filed 1990·Granted Jul 13, 1993·34 cites·36 claims
- 1669US7851103B2Solid oxide fuel cell with lanthanum-gallate oxide and having high output performanceTOTO LTD·Filed 2006·Granted Dec 14, 2010·1 cites·17 claims
- 1767US4139498AProcess of manufacturing high-concentration olefin sulfonate solutionLION FAT OIL CO LTD·Filed 1976·Granted Feb 13, 1979·7 cites·6 claims
- 1866US7985488B2Ultrathin copper foil with carrier and printed circuit board using sameFURUKAWA ELECTRIC CO LTD·Filed 2010·Granted Jul 26, 2011·2 cites·4 claims
- 1965US9269980B2Solid oxide fuel cellMOMIYAMA YUTAKA·Filed 2012·Granted Feb 23, 2016·1 cites·6 claims
- 2065US5716465AHigh-corrosion-resistant martensitic stainless steel having excellent weldability and process for producing the sameNIPPON STEEL CORP·Filed 1995·Granted Feb 10, 1998·15 cites·16 claims
- 2165US5356736AOrganic electrolyte solution type cellHITACHI MAXELL·Filed 1992·Granted Oct 18, 1994·29 cites·14 claims
- 2264US9884229B2Titanium alloy for golf club faceKAWAKAMI AKIRA·Filed 2012·Granted Feb 6, 2018·3 cites·7 claims
- 2364US2024229211A9Method for manufacturing hot-dip galvanized steel sheet and method for manufacturing alloyed hot-dip galvanized steel sheetKOBE STEEL LTD·Filed 2022·Application pending·0 cites
- 2463US6045927AComposite material for electronic part and method of producing sameHITACHI METALS LTD·Filed 1997·Granted Apr 4, 2000·32 cites·8 claims
- 2563US5599642ALithium secondary battery containing organic electrolyte, active material for cathode thereof, and method for manufacturing the active materialHITACHI MAXELL·Filed 1994·Granted Feb 4, 1997·20 cites·10 claims
- 2663US5547785ALithium cellHITACHI MAXELL·Filed 1995·Granted Aug 20, 1996·34 cites·2 claims
- 2761US9515322B2Solid oxide fuel cellTOTO LTD·Filed 2013·Granted Dec 6, 2016·0 cites·9 claims
- 2861US6929820B2Method of forming a superconductor filmNAT INST INF & COMM TECH·Filed 2002·Granted Aug 16, 2005·9 cites·8 claims
- 2959US8298717B2Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of themWATANABE NAOKI·Filed 2011·Granted Oct 30, 2012·0 cites·1 claims
- 3059US4018710AReduction catalysts and processes for reduction of nitrogen oxidesHITACHI MAXELL·Filed 1974·Granted Apr 19, 1977·18 cites·9 claims
- 3158US2016344041A1Method for Producing Cerium-Based Composite Oxide, Solid Oxide Fuel Cell, and Fuel Cell SystemTOTO LTD·Filed 2016·Application pending·0 cites
- 3257US7892655B2Ultrathin copper foil with carrier and printed circuit board using sameFURUKAWA ELECTRIC CO LTD·Filed 2006·Granted Feb 22, 2011·0 cites·6 claims
- 3357US5534370AOrganic electrolytic solution cellHITACHI MAXELL·Filed 1994·Granted Jul 9, 1996·27 cites·17 claims
- 3456US12000021B2α+β type titanium alloy wire and manufacturing method of α+β type titanium alloy wireNIPPON STEEL CORP·Filed 2019·Granted Jun 4, 2024·0 cites·6 claims
- 3554US7288222B2Method of producing a carbide sintered compactTOTO LTD·Filed 2001·Granted Oct 30, 2007·2 cites·10 claims
- 3654US5691084AOrganic electrolytic solution secondary cellHITACHI MAXELL·Filed 1995·Granted Nov 25, 1997·24 cites·9 claims
- 3753US7979101B2Electromagnetic wave detection element and electromagnetic wave detection device using the sameNAT INST INF & COMM TECH·Filed 2005·Granted Jul 12, 2011·1 cites·11 claims
- 3853US2013220679A1Copper foil and manufacturing method therefor, copper foil with carrier and manufacturing method therefor, printed circuit board, and multilayer printed circuit boardFURUKAWA ELECTRIC CO LTD·Filed 2013·Application pending·0 cites
- 3953US2016164098A1Flexible secondary battery, electronic deviceKONICA MINOLTA INC·Filed 2014·Application pending·0 cites
- 4052US10760152B2Titanium alloy having high strength, high young's modulus, excellent fatigue properties, and excellent impact toughnessNIPPON STEEL & SUMITOMO METAL CORP·Filed 2014·Granted Sep 1, 2020·0 cites·2 claims
- 4152US9587770B2α + β type titanium alloy sheet for welded pipe, manufacturing method thereof, and α + β type titanium alloy welded pipe productNIPPON STEEL & SUMITOMO METAL CORP·Filed 2012·Granted Mar 7, 2017·0 cites·3 claims
- 4252US8722278B2Solid oxide fuel cell and fuel cell module comprising the solid oxide fuel cellNIIMI HIROSHI·Filed 2009·Granted May 13, 2014·0 cites·5 claims
- 4352US7544964B2Method for fabricating thin layer deviceNAT INST INF & COMM TECH·Filed 2006·Granted Jun 9, 2009·3 cites·12 claims
- 4452US6893511B1Production method for semirigid magnetic material and semirigid material and magnetic marker using itHITACHI METALS LTD·Filed 1999·Granted May 17, 2005·9 cites·10 claims
- 4551US2014087282A1Solid oxide fuel cell and method for producing solid oxide fuel cellSHIONO MITSUNOBU·Filed 2012·Application pending·0 cites
- 4651US2008118812A1Fuel cell stack and fuel cell device including the sameTOTO LTD·Filed 2007·Application pending·0 cites
- 4751US2008118813A1Fuel cell structure and fuel cell device including the sameTOTO LTD·Filed 2007·Application pending·0 cites
- 4850US2014308601A1Method for producing cerium-based composite oxide, solid oxide fuel cell, and fuel cell systemANDO SHIGERU·Filed 2012·Application pending·0 cites
- 4949US5437944AOrganic electrolytic solution cellHITACHI MAXELL·Filed 1991·Granted Aug 1, 1995·17 cites·12 claims
- 5049US3967294APNPN semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 1974·Granted Jun 29, 1976·8 cites·8 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →