Inventor · disambiguated record
Kenji Nakai
Also filed as: NAKAI KENJI
33 granted patents·13 pending applications·439 citations·filing 1983–2022
97Inventor score
Files withSHIN KOBE ELECTRIC MACHINERY9FUJI CORP6HITACHI VEHICLE ENERGY LTD5KYOCERA CORP3NAKAI KENJI3
Top patents by PatentIndex Score
46 records- 0195US6509114B1Cylindrical lithium-ion batterySHIN KOBE ELECTRIC MACHINERY·Filed 2000·Granted Jan 21, 2003·104 cites·20 claims
- 0290US8928282B2Control system for assembled batteryKUDO AKIHIKO·Filed 2011·Granted Jan 6, 2015·18 cites·7 claims
- 0389US8568916B2Lithium ion secondary batteryNAKAI KENJI·Filed 2008·Granted Oct 29, 2013·13 cites·7 claims
- 0488US7867644B2Secondary battery and secondary battery manufacturing methodHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Jan 11, 2011·8 cites·8 claims
- 0587US6447946B1Lithium-ion batterySHIN KOBE ELECTRIC MACHINERY·Filed 2000·Granted Sep 10, 2002·35 cites·18 claims
- 0684US6733925B2Non-aqueous electrolytic solution secondary battery with electrodes having a specific thickness and porositySHIN KOBE ELECTRIC MACHINERY·Filed 2001·Granted May 11, 2004·31 cites·24 claims
- 0784US6706446B2Non-aqueous electrolytic solution secondary batterySHIN KOBE ELECTRIC MACHINERY·Filed 2001·Granted Mar 16, 2004·28 cites·26 claims
- 0884US4509693AElectromagnetic fuel injectorAISAN IND·Filed 1983·Granted Apr 9, 1985·27 cites·2 claims
- 0981US7248044B2Magnetic flux measuring apparatus by hysteresis characteristic type digital FLL using counter system for squidJAPAN SCIENCE & TECH AGENCY·Filed 2006·Granted Jul 24, 2007·16 cites·8 claims
- 1081US5962167ANon-aqueous liquid electrolyte secondary cellSHIN KOBE ELECTRIC MACHINERY·Filed 1997·Granted Oct 5, 1999·51 cites·7 claims
- 1176US8132663B2Conveyor table of cutting machineNAKAI KENJI·Filed 2008·Granted Mar 13, 2012·6 cites·5 claims
- 1274US6803149B2Non-aqueous electrolytic solution secondary batterySHIN KOBE ELECTRIC MACHINERY·Filed 2001·Granted Oct 12, 2004·15 cites·20 claims
- 1372US9077043B2Secondary battery cellTAKATSUKA YUICHI·Filed 2011·Granted Jul 7, 2015·2 cites·17 claims
- 1470US7767342B2Positive electrode active material including a lithium transition metal complex oxide and an oxide of a dissimilar elementSHIN KOBE ELECTRIC MACHINERY·Filed 2005·Granted Aug 3, 2010·3 cites·6 claims
- 1568US10860193B2Distributed computing transition screen display based on application typeFUJITSU LTD·Filed 2017·Granted Dec 8, 2020·1 cites·6 claims
- 1666US7989107B2Lithium-ion secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Aug 2, 2011·1 cites·12 claims
- 1764US7123952B2Cardiac magnetic field diagnozer for atrial flutter and atrial fibrillation and method for identifying electric turning path of atrial flutter and atrial fibrillationTAKENAKA CORP·Filed 2001·Granted Oct 17, 2006·12 cites·6 claims
- 1862US5223855AThermal head for a printerKYOCERA CORP·Filed 1990·Granted Jun 29, 1993·22 cites·20 claims
- 1961US8887758B2Solenoid valve control deviceKAMADA KAZUYA·Filed 2010·Granted Nov 18, 2014·3 cites·3 claims
- 2061US2025065429A1Mounting system and member replenishment guidance methodFUJI CORP·Filed 2022·Application pending·0 cites
- 2157US9590431B2Battery controller, battery systemOHKAWA KEIICHIRO·Filed 2011·Granted Mar 7, 2017·1 cites·16 claims
- 2256US12189371B2Trace assistance device and trace assistance methodFUJI CORP·Filed 2019·Granted Jan 7, 2025·0 cites·13 claims
- 2356US2024280831A1GlassesLINE IND CO LTD·Filed 2022·Application pending·0 cites
- 2453US8874199B2Electrocardiogram analyzerKAWADA HIROSHI·Filed 2007·Granted Oct 28, 2014·3 cites·3 claims
- 2551US8053105B2Lithium-ion secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Nov 8, 2011·0 cites·8 claims
- 2651US7144376B2Liable cardiac muscle diagnosing apparatus and liable cardiac muscle analyzing method by magnetic field measurementsTAKENAKA CORP·Filed 2001·Granted Dec 5, 2006·8 cites·11 claims
- 2751US2011076535A1Secondary battery and secondary battery manufacturing methodAOTA KINYA·Filed 2010·Application pending·0 cites
- 2850US9557388B2Battery control deviceAOSHIMA YOSHINORI·Filed 2012·Granted Jan 31, 2017·0 cites·8 claims
- 2949US6941165B2Cardiac magnetic field diagnosing apparatus by late ventricular potential and method of locating intramyocardial excitement uneven propagation portionTAKENAKA CORP·Filed 2001·Granted Sep 6, 2005·6 cites·14 claims
- 3049US5042155AImage forming member drive device of an automatic drawing apparatusDAINIPPON SCREEN MFG·Filed 1989·Granted Aug 27, 1991·14 cites·9 claims
- 3148US2025008717A1Component mounting machine and method for manufacturing substrateFUJI CORP·Filed 2021·Application pending·0 cites
- 3245US2005069773A1Battery pack and electric vehicleSHIN KOBE ELECTRIC MACHINERY·Filed 2004·Application pending·0 cites
- 3343US9887111B2Die mounting system and die mounting methodFUJI MACHINE MFG·Filed 2014·Granted Feb 6, 2018·0 cites·7 claims
- 3443US5305021AThermal headKYOCERA CORP·Filed 1993·Granted Apr 19, 1994·7 cites·14 claims
- 3543US2011183172A1Sealed Battery CellHITACHI VEHICLE ENERGY LTD·Filed 2011·Application pending·0 cites
- 3642US10032650B2Die mounting system and die mounting methodFUJI MACHINE MFG·Filed 2014·Granted Jul 24, 2018·0 cites·5 claims
- 3742US2010310929A1Sealed battery and producing method thereforHITACHI VEHICLE ENERGY LTD·Filed 2010·Application pending·0 cites
- 3840US10979240B2Substrate work systemFUJI CORP·Filed 2016·Granted Apr 13, 2021·0 cites·7 claims
- 3940US2023320054A1Device management apparatus, substrate work machine, and device management methodFUJI CORP·Filed 2020·Application pending·0 cites
- 4040US2025058567A1Thermal head and thermal printerKYOCERA CORP·Filed 2022·Application pending·0 cites
- 4139US2004005501A1Non-aqueous electrolytic solution secondary batterySHIN KOBE ELECTRIC MACHINERY·Filed 2002·Application pending·0 cites
- 4239US2008033312A1Cardiac Magnetic Field Diagnostic Apparatus and Evaluating Method of Three-Dimensional Localization of Myocardial InjuryNAKAI KENJI·Filed 2005·Application pending·0 cites
- 4336US5544502AKnitting yarn feeding apparatus for flat knitting machineSHIMA SEIKI MFG·Filed 1995·Granted Aug 13, 1996·4 cites·8 claims
- 4435US10339348B2Reading deviceFUJI CORP·Filed 2015·Granted Jul 2, 2019·0 cites·5 claims
- 4534US2003129496A1Cathode active material for a lithium secondary battery and a manufacturing method therefor and a lithium secondary battery using said active material and a setup module of said lithium secondary battery using said cathode active materialFiled 2002·Application pending·0 cites
- 4629US2006188675A1HangerARIKITA REIJI·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →