Inventor · disambiguated record
Kazuhiko Watanabe
Also filed as: WATANABE KAZUHIKO
149 granted patents·21 pending applications·1,642 citations·filing 1976–2024
99Inventor score
Top patents by PatentIndex Score
170 records- 0197US8123209B2Sheet collecting method, sheet correcting apparatus, post-processing apparatus, and image formation systemKUBOTA ICHITARO·Filed 2009·Granted Feb 28, 2012·40 cites·7 claims
- 0297US7251437B2Image formation apparatus having a body to be charged with specified properties and including the use of a protective materialRICOH KK·Filed 2005·Granted Jul 31, 2007·44 cites·24 claims
- 0396US7383013B2Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be chargedRICOH KK·Filed 2007·Granted Jun 3, 2008·18 cites·5 claims
- 0496US7369807B2Cleaner, and process cartridge and image forming apparatus using the cleanerRICOH KK·Filed 2005·Granted May 6, 2008·25 cites·43 claims
- 0595US10682808B2Three-dimensional object fabrication method, fabrication apparatus, and fabrication systemFUJITA TAKASHI·Filed 2018·Granted Jun 16, 2020·17 cites·20 claims
- 0695US7103301B2Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be chargedRICOH KK·Filed 2004·Granted Sep 5, 2006·47 cites·10 claims
- 0794US7620357B2Image forming apparatus with obtuse-edge cleaning bladeRICOH KK·Filed 2006·Granted Nov 17, 2009·18 cites·17 claims
- 0894US7610008B2Cleaning device, and process unit and image forming apparatus including the cleaning deviceRICOH KK·Filed 2006·Granted Oct 27, 2009·18 cites·20 claims
- 0993US7711308B2Cleaning device, process cartridge, and image forming apparatusRICOH KK·Filed 2007·Granted May 4, 2010·16 cites·15 claims
- 1093US7415238B2Cleaning device, process cartridge, and image forming apparatus that include a blade that is pressed against a surface of a rotating member at a surface pressure of 2.0 MPa or moreRICOH KK·Filed 2005·Granted Aug 19, 2008·17 cites·15 claims
- 1193US7222502B2Expansion valveFUJIKOKI CORP·Filed 2005·Granted May 29, 2007·26 cites·4 claims
- 1292US8172214B2Sheet collecting apparatus, post processing apparatus and image formation systemKUBOTA ICHITARO·Filed 2009·Granted May 8, 2012·15 cites·7 claims
- 1391USD833330SAutomobile and/or toy replica thereofNISSAN MOTOR·Filed 2017·Granted Nov 13, 2018·37 cites·1 claims
- 1491USD670214SRadiator grill for an automobileWATANABE KAZUHIKO·Filed 2011·Granted Nov 6, 2012·47 cites·1 claims
- 1591US7899382B2Lubricant supplier, process cartridge including same, and image forming apparatus including sameRICOH CO LTD·Filed 2008·Granted Mar 1, 2011·13 cites·7 claims
- 1690US10514651B1Cleaning blade, cleaning device, image forming apparatus, and process cartridgeWATANABE KAZUHIKO·Filed 2019·Granted Dec 24, 2019·6 cites·20 claims
- 1788US8798516B2Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning deviceOKAMOTO KEIJI·Filed 2011·Granted Aug 5, 2014·5 cites·17 claims
- 1888US7251438B2Image forming apparatus using a contact or a proximity type of charging system including a protection substance on a moveable body to be chargedRICOH KK·Filed 2006·Granted Jul 31, 2007·8 cites·6 claims
- 1986US8712309B2Cleaning device, and image forming apparatus, process cartridge, and intermediate transfer unit each including the cleaning deviceWATANABE KAZUHIKO·Filed 2011·Granted Apr 29, 2014·4 cites·12 claims
- 2086USD427285SExpansion valveFUJIKOKI CORP·Filed 1999·Granted Jun 27, 2000·29 cites·1 claims
- 2185US10042315B2Blade and image forming apparatus and cleaning device incorporating sameSHIMIZU EISUKE·Filed 2016·Granted Aug 7, 2018·3 cites·11 claims
- 2285USD494658SExpansion valveFUJIKOKI CORP·Filed 2003·Granted Aug 17, 2004·29 cites·1 claims
- 2384US9529317B2Blade and image forming apparatus incorporating sameSHIMIZU EISUKE·Filed 2015·Granted Dec 27, 2016·2 cites·15 claims
- 2484US7184699B2Cleaning blade for image formation apparatusRICOH KK·Filed 2004·Granted Feb 27, 2007·21 cites·12 claims
- 2583US9310751B2Blade member, image forming apparatus and process cartridgeSHIMIZU EISUKE·Filed 2015·Granted Apr 12, 2016·2 cites·13 claims
- 2683USD532080SExpansion valveFUJIKOKI CORP·Filed 2004·Granted Nov 14, 2006·26 cites·1 claims
- 2783US6636884B2Method and system for controlling parallel execution of jobsHITACHI LTD·Filed 2001·Granted Oct 21, 2003·32 cites·3 claims
- 2881USD862750SRear combination lamp for automobileNISSAN MOTOR·Filed 2017·Granted Oct 8, 2019·20 cites·1 claims
- 2980US7769920B2Information processing apparatus, information processing method, and program and recording medium used therewithSONY CORP·Filed 2005·Granted Aug 3, 2010·11 cites·9 claims
- 3080US7332940B2Voltage hold circuit and clock synchronization circuitSANYO ELECTRIC CO·Filed 2006·Granted Feb 19, 2008·11 cites·8 claims
- 3180USD440632SExpansion valveFUJIKOKI CORP·Filed 2000·Granted Apr 17, 2001·24 cites·1 claims
- 3279US10124977B2Sheet stacking apparatus and image forming systemCANON FINETECH NISCA INC·Filed 2016·Granted Nov 13, 2018·2 cites·8 claims
- 3378USD413373SExpansion valveFUJIKOKI CORP·Filed 1998·Granted Aug 31, 1999·20 cites·1 claims
- 3477US8918008B2Connector, charging device incorporating same, and image forming apparatus incorporating the connectorOKAMOTO KEIJI·Filed 2012·Granted Dec 23, 2014·2 cites·13 claims
- 3577US5868600AToy carASAHI TSUSHO KK·Filed 1997·Granted Feb 9, 1999·35 cites·14 claims
- 3674US6528731B2Flat shield harness and method for manufacturing the sameYAZAKI CORP·Filed 2001·Granted Mar 4, 2003·17 cites·7 claims
- 3773US8131199B2Cleaning device for image forming apparatus, and process cartridge having cleaning deviceWATANABE KAZUHIKO·Filed 2009·Granted Mar 6, 2012·4 cites·17 claims
- 3873US5044551AThermo bulb for use with the thermostatic expansion valveFUJI KOKI MFG·Filed 1989·Granted Sep 3, 1991·39 cites·10 claims
- 3972USD864801SRadiator grill for an automobileNISSAN MOTOR·Filed 2017·Granted Oct 29, 2019·13 cites·1 claims
- 4072US9901547B2Soft capsule shellFUJI CAPSULE CO LTD·Filed 2014·Granted Feb 27, 2018·0 cites·16 claims
- 4172US9170557B2Cleaning blade, image forming apparatus, and process cartridgeWATANABE KAZUHIKO·Filed 2014·Granted Oct 27, 2015·1 cites·12 claims
- 4272US6354509B1Thermal expansion valveFUJI KOKI MFG·Filed 2000·Granted Mar 12, 2002·18 cites·11 claims
- 4370US9798284B2Blade and image forming apparatus incorporating sameSHIMIZU EISUKE·Filed 2016·Granted Oct 24, 2017·1 cites·13 claims
- 4470US7373788B2Expansion valveFUJIKOKI CORP·Filed 2005·Granted May 20, 2008·3 cites·13 claims
- 4570USD504714SExpansion valveFUJIKOKI CORP·Filed 2003·Granted May 3, 2005·15 cites·1 claims
- 4670USD502252SExpansion valveFUJIKOKI CORP·Filed 2003·Granted Feb 22, 2005·15 cites·1 claims
- 4770US6560982B2Thermal expansion valveFUJIKOKI CORP·Filed 2002·Granted May 13, 2003·14 cites·7 claims
- 4869US5597117AExpansion valve with noise suppressionFUJI KOKI MFG·Filed 1995·Granted Jan 28, 1997·37 cites·15 claims
- 4968USD505183SExpansion valveFUJIKOKI CORP·Filed 2003·Granted May 17, 2005·14 cites·1 claims
- 5068USD494657SExpansion valveFUJIKOKI CORP·Filed 2003·Granted Aug 17, 2004·14 cites·1 claims
Showing the top 50 of 170 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →