Inventor · disambiguated record
Hisao Kato
Also filed as: KATO HISAO
81 granted patents·6 pending applications·1,499 citations·filing 1974–2023
99Inventor score
Files withMITSUBISHI ELECTRIC CORP36TOYOTA MOTOR CO LTD11TOYOTA ENG & MFG NORTH AMERICA9CANON KK8NIPPON PAINT CO LTD4
Top patents by PatentIndex Score
87 records- 0197US7962068B2Charging member, process cartridge and electrophotographic apparatusCANON KK·Filed 2005·Granted Jun 14, 2011·48 cites·10 claims
- 0297US7693457B2Charging member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2005·Granted Apr 6, 2010·43 cites·14 claims
- 0396US12113224B2Fuel cell cathode catalystTOYOTA ENG & MFG NORTH AMERICA·Filed 2023·Granted Oct 8, 2024·2 cites·18 claims
- 0496US4637775AIndustrial robot deviceMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Jan 20, 1987·53 cites·12 claims
- 0595US4767257AIndustrial robotMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Aug 30, 1988·142 cites·10 claims
- 0694US4984959AIndustrial robotMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jan 15, 1991·80 cites·15 claims
- 0793US7664434B2Charging member, process cartridge and electrophotographic apparatusCANON KK·Filed 2005·Granted Feb 16, 2010·18 cites·17 claims
- 0892US8064803B2Charging member, process cartridge, and electrophotographic apparatusKURODA NORIAKI·Filed 2007·Granted Nov 22, 2011·16 cites·15 claims
- 0990US11630411B2Electrophotographic cleaning blade, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2022·Granted Apr 18, 2023·3 cites·7 claims
- 1090US10875015B2Methods for making oxygen reduction reaction catalysts formed of platinum alloy nanoparticles embedded in porous carbonTOYOTA ENG & MFG NORTH AMERICA·Filed 2018·Granted Dec 29, 2020·4 cites·19 claims
- 1190US10777823B2Ionic liquid as promotor to enhance the performance of oxygen reduction catalyst for fuel cell applicationTOYOTA ENG & MFG NORTH AMERICA·Filed 2017·Granted Sep 15, 2020·4 cites·16 claims
- 1288US11715834B2Fuel cell cathode catalystTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Aug 1, 2023·2 cites·10 claims
- 1387US7037873B2Fuel cell electrocatalyst and method of producing the sameTOYOTA MOTOR CO LTD·Filed 2003·Granted May 2, 2006·28 cites·9 claims
- 1485US6316126B1Aluminum alloy clad material for heat exchangers exhibiting excellent erosion-corrosion resistanceDENSO CORP·Filed 1999·Granted Nov 13, 2001·50 cites·46 claims
- 1585US5281081AStowage device for plural species of worksMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Jan 25, 1994·65 cites·4 claims
- 1685US4947702AIndustrial robotMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Aug 14, 1990·74 cites·5 claims
- 1782US6713020B2Device and method for evaluating performance of fuel cells, device and method for evaluating specific surface area of fuel-cell electrode catalysts, fuel-cell electrode catalyst, and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2001·Granted Mar 30, 2004·21 cites·10 claims
- 1882US4817017AIndustrial robotMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Mar 28, 1989·44 cites·6 claims
- 1981US6911278B2Electrode catalyst for fuel cell and process for producing the sameTOYOTA MOTOR CO LTD·Filed 2002·Granted Jun 28, 2005·21 cites·11 claims
- 2080US5249131AApparatus for controlling the loading of workpieces onto a palletMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Sep 28, 1993·35 cites·1 claims
- 2179US9966610B2Electrode for fuel cell and method for manufacturing sameTOYOTA MOTOR CO LTD·Filed 2014·Granted May 8, 2018·3 cites·4 claims
- 2278US5159745ARobotic apparatus and method for automobile assemblyMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Nov 3, 1992·36 cites·17 claims
- 2377US6921604B2Device and method for evaluating performance of fuel cells, device and method for evaluating specific surface area of fuel-cell electrode catalysts, fuel-cell electrode catalyst, and method of manufacturing the sameTOYOTA MOTOR CO LTD·Filed 2004·Granted Jul 26, 2005·14 cites·5 claims
- 2477US5161936AIndustrial robot apparatusMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Nov 10, 1992·32 cites·3 claims
- 2575US12174576B2Cleaning member and elastic memberCANON KK·Filed 2023·Granted Dec 24, 2024·0 cites·18 claims
- 2675US5194828ADouble PLL deviceMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Mar 16, 1993·44 cites·9 claims
- 2774US5211528AIndustrial robot apparatusMITSUBISHI ELECTRIC CORP·Filed 1992·Granted May 18, 1993·24 cites·7 claims
- 2874US4673329AArm device for industrial robotMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jun 16, 1987·44 cites·9 claims
- 2973US6962746B2Conductive member, and process cartridge and electrophotographic apparatus which make use of the sameCANON KK·Filed 2003·Granted Nov 8, 2005·19 cites·17 claims
- 3071US4036721AMethod for coating a conductive materialNIPPON PAINT CO LTD·Filed 1976·Granted Jul 19, 1977·16 cites·16 claims
- 3170US11819826B2Ionic liquid to enhance performance and durability of membrane assembly electrode (MEA)TOYOTA ENG & MFG NORTH AMERICA·Filed 2021·Granted Nov 21, 2023·0 cites·20 claims
- 3270US11731110B2Protonated dimeric ionic liquid to enhance performance of membrane assembly electrode (MEA)TOYOTA ENG & MFG NORTH AMERICA·Filed 2021·Granted Aug 22, 2023·0 cites·20 claims
- 3370US6951688B2Charging member, and image-forming apparatus and process cartridge which make use of the sameCANON KK·Filed 2003·Granted Oct 4, 2005·11 cites·6 claims
- 3470US5151562ASystem for adjusting horizontal deviations of an elevator car during vertical travelMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Sep 29, 1992·25 cites·9 claims
- 3569US11322750B2Surface modified platinum or platinum alloy catalyst for oxygen reduction reactionTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted May 3, 2022·0 cites·16 claims
- 3669US6328351B1Pipe joint with enlarged metal pipe and method for manufacturing sameDENSO CORP·Filed 1999·Granted Dec 11, 2001·40 cites·5 claims
- 3768US4735984AComposition containing dispersed pigment and preparation method thereofNIPPON PAINT CO LTD·Filed 1985·Granted Apr 5, 1988·19 cites·16 claims
- 3867US4112602AApparatus for collecting shellfish and the likeKATO HISAO·Filed 1976·Granted Sep 12, 1978·20 cites·6 claims
- 3966US5084829ARobot machining system having supply and discharge conveyor belts and palletsMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jan 28, 1992·28 cites·11 claims
- 4065US11043678B2Composite made of ionic liquid and octahedral Pt—Ni—Cu alloy nanoparticles for oxygen reduction catalysisTOYOTA ENG & MFG NORTH AMERICA·Filed 2018·Granted Jun 22, 2021·0 cites·20 claims
- 4165US7060385B2Noble metal-base metal alloy catalyst, evaluation of such catalyst, and method of producing such catalystTOYOTA MOTOR CO LTD·Filed 2002·Granted Jun 13, 2006·8 cites·7 claims
- 4264US7930560B2Personal information management system, personal information management program, and personal information protecting methodORICOM KK·Filed 2007·Granted Apr 19, 2011·4 cites·9 claims
- 4364US4941103ARunning type robot control systemMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jul 10, 1990·14 cites·8 claims
- 4464US3988231AMethod for coating a conductive materialNIPPON PAINT CO LTD·Filed 1974·Granted Oct 26, 1976·10 cites·7 claims
- 4563US4868473AIndustrial robot device including a robot and a processing machineMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Sep 19, 1989·29 cites·4 claims
- 4661US5332017APneumatic radial tire reinforced with single wire steel cords of specific spiral shapeYOKOHAMA RUBBER CO LTD·Filed 1993·Granted Jul 26, 1994·20 cites·5 claims
- 4760US11189851B2Catalyst layer composition for improved performance of membrane assembly electrode with ionic liquidTOYOTA ENG & MFG NORTH AMERICA·Filed 2019·Granted Nov 30, 2021·0 cites·20 claims
- 4859US7241717B2Cathode catalyst for fuel cellTOYOTA MOTOR CO LTD·Filed 2004·Granted Jul 10, 2007·3 cites·3 claims
- 4958US4738015AIndustrial robot with automatic centeringMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Apr 19, 1988·25 cites·9 claims
- 5057US5012855AIndustrial robotMITSUBISHI ELECTRIC CORP·Filed 1988·Granted May 7, 1991·7 cites·5 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →