Inventor · disambiguated record
Naohiro Watanabe
Also filed as: WATANABE NAOHIRO
71 granted patents·16 pending applications·1,383 citations·filing 1988–2016
99Inventor score
Top patents by PatentIndex Score
87 records- 0198US6936390B2Toner, method of producing same and image forming deviceRICOH KK·Filed 2003·Granted Aug 30, 2005·93 cites·18 claims
- 0298US6852462B2Toner, method of forming the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2002·Granted Feb 8, 2005·103 cites·16 claims
- 0398US6787280B2Electrophotographic toner and method of producing sameRICOH KK·Filed 2002·Granted Sep 7, 2004·102 cites·49 claims
- 0497US6849369B2Toner for developing electrostatic image, method for manufacturing the toner, developer including the toner, container containing the toner, and developing method using the tonerRICOH KK·Filed 2002·Granted Feb 1, 2005·91 cites·23 claims
- 0597US6846604B2Toner and image forming apparatus using the tonerRICOH KK·Filed 2002·Granted Jan 25, 2005·81 cites·21 claims
- 0697US6756175B2Method for fixing tonerRICOH KK·Filed 2002·Granted Jun 29, 2004·90 cites·23 claims
- 0796US7504188B2Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the sameRICOH KK·Filed 2007·Granted Mar 17, 2009·33 cites·12 claims
- 0896US7459255B2Toner and developer, toner container, process cartridge, image-forming apparatus, and image-forming method using the sameRICOH KK·Filed 2005·Granted Dec 2, 2008·31 cites·27 claims
- 0996US7449273B2Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the tonerRICOH KK·Filed 2005·Granted Nov 11, 2008·31 cites·27 claims
- 1096US7348121B2Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the tonerRICOH KK·Filed 2007·Granted Mar 25, 2008·23 cites·3 claims
- 1196US7056638B1Toner for electrophotography, developer using the same, process cartridge using the same, image-forming apparatus using the same, and image-forming process using the sameRICOH KK·Filed 2003·Granted Jun 6, 2006·64 cites·25 claims
- 1295US7531279B2Toner manufacturing method, toner and developerRICOH KK·Filed 2006·Granted May 12, 2009·22 cites·16 claims
- 1394US8673528B2Toner, developer, toner accommodating container, process cartridge and image forming methodSUGIMOTO TSUYOSHI·Filed 2009·Granted Mar 18, 2014·18 cites·17 claims
- 1494US7396630B2Toner, developer including the toner, and method for fixing toner imageRICOH KK·Filed 2006·Granted Jul 8, 2008·14 cites·21 claims
- 1593US7217487B2Toner, developer using the same, toner container using the same, process cartridge using the same, image-forming process using the same and image-forming apparatus using the sameRICOH KK·Filed 2006·Granted May 15, 2007·12 cites·18 claims
- 1691US7056635B2Toner, method of producing the toner, developer including the toner, and image forming method and apparatus using the developerRICOH KK·Filed 2003·Granted Jun 6, 2006·38 cites·36 claims
- 1790US5302313AHalogenated hydrocarbon solventsASAHI GLASS CO LTD·Filed 1992·Granted Apr 12, 1994·69 cites·2 claims
- 1889US7396627B2Method of preparing a toner, developer including the toner, container containing the toner, and image forming method and process cartridge using the tonerRICOH KK·Filed 2005·Granted Jul 8, 2008·11 cites·35 claims
- 1988US8835086B2Electrostatic image developing tonerWATANABE NAOHIRO·Filed 2010·Granted Sep 16, 2014·5 cites·20 claims
- 2088US7550245B2Toner and production method of the same, and image forming methodRICOH KK·Filed 2005·Granted Jun 23, 2009·10 cites·29 claims
- 2188US7348117B2Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the tonerRICOH KK·Filed 2004·Granted Mar 25, 2008·27 cites·19 claims
- 2286US5320683AAzeotropic or azeotropic-like composition of hydrochlorofluoropropaneASAHI GLASS CO LTD·Filed 1992·Granted Jun 14, 1994·29 cites·8 claims
- 2385US7163775B2Toner for developing electrostatic image, method for manufacturing the toner, developer including the toner, container containing the toner, and color image forming method using the tonerRICOH KK·Filed 2004·Granted Jan 16, 2007·20 cites·15 claims
- 2485US5116426AMethod of cleaning a substrate using a dichloropentafluoropropaneASAKI GLASS COMPANY LTD·Filed 1990·Granted May 26, 1992·64 cites·2 claims
- 2584US8431304B2Toner and developerSUGIMOTO TSUYOSHI·Filed 2011·Granted Apr 30, 2013·4 cites·14 claims
- 2684US8034524B2Toner and image forming method using the tonerRICOH CO LTD·Filed 2010·Granted Oct 11, 2011·3 cites·15 claims
- 2784US8026031B2Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming methodRICOH CO LTD·Filed 2007·Granted Sep 27, 2011·6 cites·20 claims
- 2884US7294442B2Toner for developing electrostatic image, method for manufacturing the toner, developer including the toner, container containing the toner, and color image forming method using the tonerRICOH KK·Filed 2006·Granted Nov 13, 2007·6 cites·3 claims
- 2983US9989869B2Toner, toner stored unit, and image forming apparatusINOUE DAISUKE·Filed 2016·Granted Jun 5, 2018·2 cites·10 claims
- 3082US8007977B2Toner and image forming method using the tonerRICOH CO LTD·Filed 2005·Granted Aug 30, 2011·6 cites·13 claims
- 3182US7563555B2Toner, developer including the toner, and method for fixing toner imageRICOH KK·Filed 2006·Granted Jul 21, 2009·5 cites·10 claims
- 3282US7303847B2Dry tonerRICOH KK·Filed 2003·Granted Dec 4, 2007·20 cites·12 claims
- 3381US7435521B2Toner for developing electrostatic imageRICOH KK·Filed 2004·Granted Oct 14, 2008·18 cites·42 claims
- 3481US7306887B2Toner and developer for electrostatic development, production thereof, image forming process and apparatus using the sameRICOH KK·Filed 2004·Granted Dec 11, 2007·19 cites·42 claims
- 3580US7374848B2Toner and method or preparing the tonerRICOH KK·Filed 2004·Granted May 20, 2008·19 cites·10 claims
- 3679US5271775AMethods for treating substrates by applying a halogenated hydrocarbon theretoASAHI GLASS CO LTD·Filed 1990·Granted Dec 21, 1993·41 cites·11 claims
- 3777US7575842B2Toner and, developer, toner-containing container, process cartridge, image forming apparatus and image forming methodRICOH KK·Filed 2007·Granted Aug 18, 2009·4 cites·17 claims
- 3877US7241545B2Toner, developer using the same, toner container using the same, process cartridge using the same, image-forming process using the same and image-forming apparatus using the sameRICOH KK·Filed 2003·Granted Jul 10, 2007·13 cites·18 claims
- 3977US7208256B2Toner for image formation, method of producing the toner, toner container, toner cartridge, process cartridge, and image forming apparatusRICOH KK·Filed 2004·Granted Apr 24, 2007·16 cites·20 claims
- 4077US5607912AHydrochlorofluorocarbon azeotropic or azeotropic-like mixtureASAHI GLASS CO LTD·Filed 1992·Granted Mar 4, 1997·45 cites·4 claims
- 4176US8911924B2Toner and method for producing the sameSATO TOMOYUKI·Filed 2011·Granted Dec 16, 2014·2 cites·10 claims
- 4273US7695883B2Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the sameRICOH KK·Filed 2008·Granted Apr 13, 2010·3 cites·20 claims
- 4370US10274853B2Toner, developer, toner housing unit and image forming apparatusITOH TAKAYUKI·Filed 2016·Granted Apr 30, 2019·1 cites·8 claims
- 4470US8124308B2Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming methodWATANABE NAOHIRO·Filed 2010·Granted Feb 28, 2012·1 cites·20 claims
- 4570US7541128B2Toner, developer including the toner, and method for fixing toner imageRICOH KK·Filed 2003·Granted Jun 2, 2009·9 cites·9 claims
- 4668US8758968B2Toner, production method thereof, developer and image forming methodWATANABE NAOHIRO·Filed 2011·Granted Jun 24, 2014·1 cites·9 claims
- 4767US8999618B2Toner set, developer set, and image forming apparatusYOSHIDA RYUUTA·Filed 2013·Granted Apr 7, 2015·1 cites·9 claims
- 4867US7968265B2Toner, developer, toner container, process cartridge, image forming method, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Jun 28, 2011·2 cites·14 claims
- 4966US7947419B2Toner, developer, and image forming methodRICOH CO LTD·Filed 2008·Granted May 24, 2011·2 cites·17 claims
- 5064US8557491B2Toner, developer, toner container, process cartridge, and image forming methodSUGIMOTO TSUYOSHI·Filed 2009·Granted Oct 15, 2013·2 cites·10 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →