Inventor · disambiguated record
Hirofumi Iisaka
Also filed as: IISAKA HIROFUMI
13 granted patents·11 pending applications·57 citations·filing 2001–2024
87Inventor score
Files withTOYOTA MOTOR CO LTD13SUMITOMO METAL MINING CO3IISAKA HIROFUMI2UENO YUKIYOSHI2FUJI PHOTO FILM CO LTD1
Top patents by PatentIndex Score
24 records- 0177US7332248B2Active material for positive electrode for non-aqueous electrolyte secondary battery and method of manufacturing the sameSUMITOMO METAL MINING CO·Filed 2003·Granted Feb 19, 2008·17 cites·3 claims
- 0276US6528460B2Lubricant compositionFUJI PHOTO FILM CO LTD·Filed 2001·Granted Mar 4, 2003·15 cites·6 claims
- 0373US10760172B2Film forming method for metal film and film forming apparatus thereforTOYOTA MOTOR CO LTD·Filed 2019·Granted Sep 1, 2020·0 cites·3 claims
- 0473US8383287B2Fuel cell electrode catalyst and polymer electrolyte fuel cell using the sameTOYOTA MOTOR CO LTD·Filed 2008·Granted Feb 26, 2013·2 cites·8 claims
- 0572US9368849B2Carbonaceous material for lithium-air battery cathodes and lithium batteryNISSHINBO HOLDINGS INC·Filed 2013·Granted Jun 14, 2016·1 cites·6 claims
- 0672US7645542B2Active material for positive electrode in non-aqueous electrolyte secondary battery having SO4 ionsSUMITOMO METAL MINING CO·Filed 2004·Granted Jan 12, 2010·20 cites·3 claims
- 0771US11421334B2Tin solution for tin film formation and method for forming tin film using the sameTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 23, 2022·0 cites·4 claims
- 0865US10337116B2Film forming method for metal film and film forming apparatus thereforTOYOTA MOTOR CO LTD·Filed 2017·Granted Jul 2, 2019·0 cites·4 claims
- 0962US2025202410A1Solar cell unit and solar cell unit maintenance systemTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1061US11230781B1Method for forming silver filmTOYOTA MOTOR CO LTD·Filed 2021·Granted Jan 25, 2022·0 cites·10 claims
- 1156US12110605B2Film-forming metal solution and method of forming metal coatingTOYOTA MOTOR CO LTD·Filed 2019·Granted Oct 8, 2024·0 cites·10 claims
- 1256US2022119956A1Film forming method and film forming apparatus of metal plating filmTOYOTA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 1355US7846586B2Active material for positive electrode of lithium secondary batterySUMITOMO METAL MINING CO·Filed 2003·Granted Dec 7, 2010·2 cites·2 claims
- 1453US11702752B2Method for forming metal plating filmTOYOTA MOTOR CO LTD·Filed 2020·Granted Jul 18, 2023·0 cites·7 claims
- 1553US2020190685A1Film forming device and method for forming metal film using the sameTOYOTA MOTOR CO LTD·Filed 2019·Application pending·0 cites
- 1651US2020407866A1Plating diaphragm, plating method, and plating apparatusTEIJIN LTD·Filed 2020·Application pending·0 cites
- 1751US2020407853A1Method for forming electroless plating film and film formation deviceTOYOTA MOTOR CO LTD·Filed 2020·Application pending·0 cites
- 1851US2015229012A1Carbonaceous material for air electrode of air battery, and air battery comprising the carbonaceous materialNAT UNIVERSITY CORP OITA UNIVERSITY·Filed 2013·Application pending·0 cites
- 1951US2012122666A1Fuel cell electrode catalyst, method for evaluating performance of oxygen-reducing catalyst, and solid polymer fuel cell comprising the fuel cell electrode catalystUENO YUKIYOSHI·Filed 2008·Application pending·0 cites
- 2051US2010203420A1Fuel cell electrode catalyst, method for evaluating performance of oxygen-reducing catalyst, and solid polymer fuel cell comprising the fuel cell electrode catalystTOYOTA MOTOR CO LTD·Filed 2008·Application pending·0 cites
- 2149US2009068525A1Fuel Cell Electrode, Method for Producing Fuel Cell Electrode, Membrane-Electrode Assembly, Method for Producing Membrane-Electrode Assembly, and Solid Polymer Fuel CellIISAKA HIROFUMI·Filed 2007·Application pending·0 cites
- 2249US2011105311A1Fuel cell electrode catalyst, method for evaluating performance of oxygen-reducing catalyst, and solid polymer fuel cell comprising the fuel cell electrode catalystUENO YUKIYOSHI·Filed 2008·Application pending·0 cites
- 2348US11035049B2Film forming method for metal film and film forming apparatus for metal filmTOYOTA MOTOR CO LTD·Filed 2018·Granted Jun 15, 2021·0 cites·5 claims
- 2447US2009117450A1Method for evaluating performance of electrode catalyst for cell, search method, electrode catalyst for cell and fuel cell using sameIISAKA HIROFUMI·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →