Inventor · disambiguated record
Hiroaki Watanabe
Also filed as: WATANABE HIROAKI
160 granted patents·33 pending applications·1,932 citations·filing 1977–2025
99Inventor score
Top patents by PatentIndex Score
193 records- 0198US11112748B2Developing member, process cartridge and electrophotographic apparatusCANON KK·Filed 2020·Granted Sep 7, 2021·9 cites·10 claims
- 0297US11385559B2Electroconductive member, process cartridge, and image forming apparatusCANON KK·Filed 2020·Granted Jul 12, 2022·3 cites·14 claims
- 0397US11307509B2Electro-conductive member, method for producing same, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2020·Granted Apr 19, 2022·8 cites·8 claims
- 0497US11175602B2Electroconductive member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2020·Granted Nov 16, 2021·10 cites·14 claims
- 0597US11169454B2Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2020·Granted Nov 9, 2021·11 cites·16 claims
- 0697US8991053B2Charging member, process for its production, and electrophotographic apparatusCANON KK·Filed 2013·Granted Mar 31, 2015·29 cites·8 claims
- 0797US8685601B2Electrophotographic member, method for producing the same, process cartridge and electrophotographic apparatusCANON KK·Filed 2013·Granted Apr 1, 2014·23 cites·6 claims
- 0897US8622881B1Conductive member, electrophotographic apparatus, and process cartridgeCANON KK·Filed 2013·Granted Jan 7, 2014·25 cites·7 claims
- 0997US8538298B2Charging member, process for its production, and electrophotographic apparatusHARADA MASAAKI·Filed 2011·Granted Sep 17, 2013·29 cites·8 claims
- 1097US8532535B2Charging member, manufacturing method for charging member, and electrophotographic apparatusCANON KK·Filed 2012·Granted Sep 10, 2013·25 cites·14 claims
- 1196US10558136B2Charging member, manufacturing method of charging member, electrophotographic apparatus, and process cartridgeCANON KK·Filed 2019·Granted Feb 11, 2020·16 cites·8 claims
- 1296US10146149B2Charging member, electrophotographic process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2018·Granted Dec 4, 2018·19 cites·6 claims
- 1396US9910379B2Charging member with concave portions containing insulating particles and electrophotographic apparatusCANON KK·Filed 2016·Granted Mar 6, 2018·20 cites·5 claims
- 1496US9904199B2Charging member having outer surface with concave portions bearing exposed elastic particles, and electrophotographic apparatusCANON KK·Filed 2016·Granted Feb 27, 2018·21 cites·5 claims
- 1596US9372429B2Charging member, manufacturing method for charging member, electrophotographic apparatus, and process cartridgeCANON KK·Filed 2015·Granted Jun 21, 2016·17 cites·13 claims
- 1696US8923732B2Charging member, manufacturing method therefor, and electrophotographic apparatusHARADA MASAAKI·Filed 2012·Granted Dec 30, 2014·16 cites·11 claims
- 1796US8750762B2Charging member with vulcanized rubber, and electrophotographic apparatus including the charging memberHARADA MASAAKI·Filed 2011·Granted Jun 10, 2014·16 cites·4 claims
- 1896US8501312B2Charging memberWATANABE HIROAKI·Filed 2012·Granted Aug 6, 2013·19 cites·5 claims
- 1996US8491994B2Conductive rubber elastic material, charging member and electrophotographic apparatusHARADA MASAAKI·Filed 2012·Granted Jul 23, 2013·26 cites·6 claims
- 2096US8481167B2Charging memberWATANABE HIROAKI·Filed 2012·Granted Jul 9, 2013·20 cites·2 claims
- 2195US11640122B2Electroconductive member, process cartridge, and image forming apparatusCANON KK·Filed 2022·Granted May 2, 2023·3 cites·18 claims
- 2295US10317811B2Charging member, method for producing same, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Jun 11, 2019·14 cites·2 claims
- 2394US11397388B2Process for producing an electrophotographic electroconductive memberCANON KK·Filed 2021·Granted Jul 26, 2022·3 cites·17 claims
- 2494US9360833B2Charging member, process cartridge and electrophotographic apparatusCANON KK·Filed 2013·Granted Jun 7, 2016·22 cites·5 claims
- 2594US8440307B2Charging member and method for producing charging memberNOSE KEIJI·Filed 2011·Granted May 14, 2013·25 cites·5 claims
- 2693US11971683B2Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2021·Granted Apr 30, 2024·2 cites·12 claims
- 2792US9841172B2Light irradiating deviceHOYA CANDEO OPTRONICS CORP·Filed 2017·Granted Dec 12, 2017·9 cites·13 claims
- 2892US8057072B2Light-emitting module and illumination apparatusTAKENAKA ERIKA·Filed 2009·Granted Nov 15, 2011·70 cites·14 claims
- 2992US6357341B1Piston of internal combustion engineUNISIA JECS CORP·Filed 1999·Granted Mar 19, 2002·49 cites·10 claims
- 3091US10202035B2Fuel shutoff valveHONDA MOTOR CO LTD·Filed 2016·Granted Feb 12, 2019·9 cites·12 claims
- 3191USD721040SReceptacle connectorKYOCERA CONNECTOR PROD CORP·Filed 2014·Granted Jan 13, 2015·44 cites·1 claims
- 3290US8197086B2Lighting fixtureWATANABE HIROAKI·Filed 2009·Granted Jun 12, 2012·43 cites·6 claims
- 3389US8955545B2Fuel tank systemMURABAYASHI SHINYA·Filed 2011·Granted Feb 17, 2015·9 cites·5 claims
- 3489US7096406B2Memory controller for multilevel cell memorySPANSION LLC·Filed 2002·Granted Aug 22, 2006·60 cites·19 claims
- 3589US5259843AMedical connector for attaching to liquid introducing tubeKAWASUMI LAB INC·Filed 1991·Granted Nov 9, 1993·76 cites·7 claims
- 3688US8781369B2Charging roller and process for its productionCANON KK·Filed 2013·Granted Jul 15, 2014·4 cites·14 claims
- 3787US10317067B2Heat radiating apparatus and light illuminating apparatus with the sameHOYA CANDEO OPTRONICS CORP·Filed 2017·Granted Jun 11, 2019·5 cites·24 claims
- 3886US9388567B2Water-stopping member and outer wall structureNICHIHA KK·Filed 2015·Granted Jul 12, 2016·12 cites·10 claims
- 3986US8944268B2Fuel tankMURABAYASHI SHINYA·Filed 2010·Granted Feb 3, 2015·7 cites·5 claims
- 4086USD720699SPlug connectorKYOCERA CONNECTOR PROD CORP·Filed 2014·Granted Jan 6, 2015·33 cites·1 claims
- 4186US5331932AEngine pistonUNISIA JECS CORP·Filed 1993·Granted Jul 26, 1994·35 cites·12 claims
- 4285US9578755B2Printed wiring board having buildup layers and multilayer core substrate with double-sided boardIBIDEN CO LTD·Filed 2014·Granted Feb 21, 2017·7 cites·14 claims
- 4384US10119759B2Heat radiating apparatus and light illuminating apparatus with the sameHOYA CANDEO OPTRONICS CORP·Filed 2017·Granted Nov 6, 2018·2 cites·20 claims
- 4484USD304184SFacsimile transmitter/receiverRICOH CO LTD·Filed 1987·Granted Oct 24, 1989·21 cites·1 claims
- 4583US9337511B2Nonaqueous secondary batteryADEKA CORP·Filed 2012·Granted May 10, 2016·6 cites·4 claims
- 4683US9023536B2Non-aqueous electrolyte secondary batteryTAKI TAKAYUKI·Filed 2011·Granted May 5, 2015·5 cites·8 claims
- 4783USD608426SToilet bowlINAX CORP·Filed 2008·Granted Jan 19, 2010·30 cites·1 claims
- 4883US6474756B2Rubber crawler beltKOMATSU MFG CO LTD·Filed 2001·Granted Nov 5, 2002·34 cites·7 claims
- 4982US5023020AMethod for supplying aromas, apparatus therefore and facilities provided with sameSHIMIZU CONSTRUCTION CO LTD·Filed 1990·Granted Jun 11, 1991·163 cites·11 claims
- 5080US6568769B1Elastic flat treadKOMATSU MFG CO LTD·Filed 1998·Granted May 27, 2003·40 cites·12 claims
Showing the top 50 of 193 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →