Inventor · disambiguated record
Hirofumi Takahashi
Also filed as: TAKAHASHI HIROFUMI
22 granted patents·18 pending applications·202 citations·filing 1993–2025
93Inventor score
Files withYOKOGAWA ELECTRIC CORP5VEHICLE ENERGY JAPAN INC4HITACHI LTD3MITSUI CHEMICALS INC3JX NIPPON MINING & METALS CORP2
Top patents by PatentIndex Score
40 records- 0194US9787119B2Electric storage device and method for charging sameHITACHI MAXELL·Filed 2012·Granted Oct 10, 2017·23 cites·5 claims
- 0292US7704307B2Electroless palladium plating liquidNIPPON MINING CO·Filed 2006·Granted Apr 27, 2010·16 cites·4 claims
- 0391US5432444AInspection device having coaxial induction and exciting coils forming a unitary coil unitKAISEI ENGINEER CO LTD·Filed 1993·Granted Jul 11, 1995·132 cites·5 claims
- 0486US2024258608A1Battery PackVEHICLE ENERGY JAPAN INC·Filed 2024·Application pending·0 cites
- 0585US9935477B2Charge/discharge control method and charge/discharge control apparatus for lithium ion batteryHITACHI LTD·Filed 2013·Granted Apr 3, 2018·5 cites·2 claims
- 0683US7742279B2Energy conversion deviceSHIN KOBE ELECTRIC MACHINERY·Filed 2008·Granted Jun 22, 2010·13 cites·9 claims
- 0778US7396394B2Electroless gold plating solutionNIPPON MINING CO·Filed 2005·Granted Jul 8, 2008·3 cites·3 claims
- 0877US8920924B2Method for producing alkali metal niobate particles, and alkali metal niobate particlesMURAMATSU ATSUSHI·Filed 2010·Granted Dec 30, 2014·2 cites·8 claims
- 0976US11843101B2Battery packVEHICLE ENERGY JAPAN INC·Filed 2021·Granted Dec 12, 2023·0 cites·7 claims
- 1076US2025264687A1Vibrator and vibration wave motorNIKON CORP·Filed 2025·Application pending·0 cites
- 1173US12326612B2Vibrator and vibration wave motorNIKON CORP·Filed 2021·Granted Jun 10, 2025·0 cites·13 claims
- 1273US8216438B2Copper anode or phosphorous-containing copper anode, method of electroplating copper on semiconductor wafer, and semiconductor wafer with low particle adhesionAIBA AKIHIRO·Filed 2008·Granted Jul 10, 2012·1 cites·9 claims
- 1372US9077043B2Secondary battery cellTAKATSUKA YUICHI·Filed 2011·Granted Jul 7, 2015·2 cites·17 claims
- 1471US9722284B2Nonaqueous secondary battery and battery control systemTAKAHASHI HIROFUMI·Filed 2012·Granted Aug 1, 2017·2 cites·14 claims
- 1569US11572632B2Method for manufacturing high purity tin, electrowinning apparatus for high purity tin and high purity tinJX NIPPON MINING & METALS CORP·Filed 2019·Granted Feb 7, 2023·0 cites·10 claims
- 1667US11133541B2Battery packVEHICLE ENERGY JAPAN INC·Filed 2018·Granted Sep 28, 2021·0 cites·3 claims
- 1764US7718145B2Polyisocyanate production system and gas treatment apparatusMITSUI CHEMICALS INC·Filed 2006·Granted May 18, 2010·2 cites·8 claims
- 1862US2024266625A1Battery module and method for inspecting the battery moduleVEHICLE ENERGY JAPAN INC·Filed 2022·Application pending·0 cites
- 1959US9272921B2Method for producing alkali metal niobate particles, and alkali metal niobate particlesSAKAI CHEMICAL INDUSTRY CO·Filed 2014·Granted Mar 1, 2016·0 cites·5 claims
- 2058US2010191568A1Apparatus and method for managing task information of a plantYOKOGAWA ELECTRIC CORP·Filed 2009·Application pending·0 cites
- 2156US7767160B2Apparatus for continuously producing polyisocyanateMITSUI CHEMICALS INC·Filed 2006·Granted Aug 3, 2010·1 cites·10 claims
- 2256US2014103246A1Method for producing alkali metal niobate particles, and alkali metal niobate particlesSAKAI CHEMICAL INDUSTRY CO·Filed 2013·Application pending·0 cites
- 2355US9325034B2Secondary battery with organic electrolytic solutionHARA KENJI·Filed 2010·Granted Apr 26, 2016·0 cites·5 claims
- 2454US2016097139A1Method For Manufacturing High Purity Tin, Electrowinning Apparatus For High Purity Tin And High Purity TinJX NIPPON MINING & METALS CORP·Filed 2015·Application pending·0 cites
- 2552US11923519B2Battery packHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Mar 5, 2024·0 cites·16 claims
- 2652US8771618B2Method for producing alkali metal niobate particles, and alkali metal niobate particlesMURAMATSU ATSUSHI·Filed 2010·Granted Jul 8, 2014·0 cites·4 claims
- 2750US7897805B2Polyisocyanate production method and polyisocyanate production systemMITSUI CHEMICALS INC·Filed 2006·Granted Mar 1, 2011·0 cites·13 claims
- 2849US2014158546A1Electrolytic copper plating solution for filling for forming microwiring of copper for ulsiSEKIGUCHI JUNNOSUKE·Filed 2013·Application pending·0 cites
- 2944US2006269801A1Lead-acid battery electrode body, lead-acid batter, and manufacturing method of lead-acid batterySHIN KOBE ELECTRIC MACHINERY·Filed 2006·Application pending·0 cites
- 3044US2007213996A1Know-How Service SystemYOKOGAWA ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 3144US2010261061A1Positive electrode material for lithium secondary battery, positive electrode plate for lithium secondary battery, and lithium secondary battery using the sameYUASA TOYOTAKA·Filed 2006·Application pending·0 cites
- 3243US2010226833A1Polyisocyanate production method and polyisocyanate production systemMITSUI CHEMICALS POLYURETHANES·Filed 2010·Application pending·0 cites
- 3342US7999661B2Signal relay device, communication network system and operation systemYOKOGAWA ELECTRIC CORP·Filed 2005·Granted Aug 16, 2011·0 cites·34 claims
- 3442US2012103820A1Electrolytic copper plating solution for filling for forming microwiring of copper for ulsiSEKIGUCHI JUNNOSUKE·Filed 2010·Application pending·0 cites
- 3539US2019386511A1Power management system, power management device, and power management methodHITACHI LTD·Filed 2017·Application pending·0 cites
- 3635US2005265269A1Signal transmission apparatusYOKOGAWA ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 3735US2008281991A1Communication SystemYOKOGAWA ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 3834US2016064779A1Lithium ion battery systemHITACHI LTD·Filed 2015·Application pending·0 cites
- 3933US2011289450A1Method and apparatus for displaying batch execution data of an industrial plantTAKAHASHI HIROFUMI·Filed 2010·Application pending·0 cites
- 4032US2012062238A1Battery Controller and Voltage Abnormality Detection MethodKAWASAKI TATSUHIKO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →