Inventor · disambiguated record
Yohichiroh Watanabe
Also filed as: WATANABE YOHICHIROH
55 granted patents·10 pending applications·1,367 citations·filing 1999–2013
99Inventor score
Top patents by PatentIndex Score
65 records- 0199US6363229B1Full-color toner image fixing method and apparatusRICOH KK·Filed 2000·Granted Mar 26, 2002·174 cites·18 claims
- 0298US6653037B2Toner for developing latent electrostatic images, and image forming method and deviceRICOH KK·Filed 2001·Granted Nov 25, 2003·91 cites·39 claims
- 0398US6103441AColor toner for electrophotographyRICOH KK·Filed 1999·Granted Aug 15, 2000·148 cites·5 claims
- 0497US7198874B2Toner, method of making, method of usingRICOH KK·Filed 2006·Granted Apr 3, 2007·28 cites·6 claims
- 0597US7132210B2Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming processRICOH KK·Filed 2005·Granted Nov 7, 2006·27 cites·14 claims
- 0697US6074795AToner for developing electrostatic latent imageRICOH KK·Filed 1999·Granted Jun 13, 2000·105 cites·20 claims
- 0796US6716561B2Toner for developing electrostatic latent image and image forming method using sameRICOH KK·Filed 2001·Granted Apr 6, 2004·75 cites·14 claims
- 0896US6566026B2Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2001·Granted May 20, 2003·75 cites·26 claims
- 0995US6858365B2Toner for developing electrostatic latent image, developing method and developing apparatusRICOH KK·Filed 2002·Granted Feb 22, 2005·57 cites·12 claims
- 1095US6821698B2Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatusRICOH KK·Filed 2002·Granted Nov 23, 2004·60 cites·28 claims
- 1194US7396630B2Toner, developer including the toner, and method for fixing toner imageRICOH KK·Filed 2006·Granted Jul 8, 2008·14 cites·21 claims
- 1294US6946229B2Toner for forming color image, image forming apparatus, and toner containerRICOH KK·Filed 2003·Granted Sep 20, 2005·54 cites·22 claims
- 1393US7713672B2Image forming apparatus, image forming method and process cartridgeRICOH KK·Filed 2007·Granted May 11, 2010·15 cites·23 claims
- 1493US7074541B2Toner for electrophotography, method of manufacturing the toner, developer, development method, transfer method, and process cartridge using the tonerRICOH KK·Filed 2003·Granted Jul 11, 2006·39 cites·58 claims
- 1593US6180298B1Multi-color toner set and method of forming multi-color images, using the multi-color toner setRICOH KK·Filed 1999·Granted Jan 30, 2001·65 cites·23 claims
- 1692US7364828B2Toner for electrophotography, method of manufacturing the toner, developer, development method, transfer method, and process cartridge using the tonerRICOH KK·Filed 2006·Granted Apr 29, 2008·11 cites·16 claims
- 1792US7074535B2Toner, method of making, method of usingRICOH KK·Filed 2004·Granted Jul 11, 2006·34 cites·20 claims
- 1891US7718340B2Image forming apparatus, image forming method, and process cartridgeRICOH KK·Filed 2007·Granted May 18, 2010·12 cites·22 claims
- 1991US7052815B2Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color tonerRICOH KK·Filed 2003·Granted May 30, 2006·30 cites·18 claims
- 2091US6939653B2Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming processRICOH KK·Filed 2002·Granted Sep 6, 2005·29 cites·17 claims
- 2189US8568628B2Toner preparation method and apparatus, and toner prepared therebyNORIKANE YOSHIHIRO·Filed 2008·Granted Oct 29, 2013·13 cites·13 claims
- 2288US8105742B2Method and apparatus for manufacturing toner and toner manufactured by the apparatus and methodNORIKANE YOSHIHIRO·Filed 2008·Granted Jan 31, 2012·10 cites·15 claims
- 2388US7560216B2Image-fixing method and image-fixing device, and, image-forming method and image-forming apparatusRICOH KK·Filed 2005·Granted Jul 14, 2009·10 cites·14 claims
- 2488US7550245B2Toner and production method of the same, and image forming methodRICOH KK·Filed 2005·Granted Jun 23, 2009·10 cites·29 claims
- 2588US7241548B2Toner, method for preparing the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2004·Granted Jul 10, 2007·28 cites·18 claims
- 2687US8034526B2Method for manufacturing toner and tonerRICOH CO LTD·Filed 2007·Granted Oct 11, 2011·18 cites·27 claims
- 2786US6830859B2Charge control agent and toner using sameRICOH KK·Filed 2002·Granted Dec 14, 2004·27 cites·12 claims
- 2884US8026031B2Toner, 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
- 2984US6977129B2Charge control agent, toner using same developer containing the toner and developing device containing the developerTAKEMOTO OIL & FAT CO LTD·Filed 2002·Granted Dec 20, 2005·23 cites·16 claims
- 3082US8137087B2Toner preparation method and apparatus, and toner prepared therebyNORIKANE YOSHIHIRO·Filed 2008·Granted Mar 20, 2012·6 cites·16 claims
- 3182US7563555B2Toner, developer including the toner, and method for fixing toner imageRICOH KK·Filed 2006·Granted Jul 21, 2009·5 cites·10 claims
- 3281US7873304B2Image forming apparatus, image forming method, and process cartridgeRICOH CO LTD·Filed 2007·Granted Jan 18, 2011·6 cites·19 claims
- 3379US8758973B2Method and apparatus for producing tonerMAKABE KEIJI·Filed 2011·Granted Jun 24, 2014·6 cites·8 claims
- 3475US7862973B2Toner and developer, and image forming apparatus, image forming method and process cartridgeRICOH CO LTD·Filed 2007·Granted Jan 4, 2011·4 cites·22 claims
- 3574US9023572B2Method for producing toner for developing electrostatic image and apparatus for producing resin particlesHONDA TAKAHIRO·Filed 2010·Granted May 5, 2015·2 cites·15 claims
- 3673US7122286B2Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner containerRICOH KK·Filed 2001·Granted Oct 17, 2006·13 cites·4 claims
- 3771US7629099B2Toner, developer, image forming method, and toner containerRICOH KK·Filed 2006·Granted Dec 8, 2009·3 cites·24 claims
- 3870US8124308B2Toner, 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
- 3970US7541128B2Toner, developer including the toner, and method for fixing toner imageRICOH KK·Filed 2003·Granted Jun 2, 2009·9 cites·9 claims
- 4065US8663888B2TonerSHITARA YASUTADA·Filed 2010·Granted Mar 4, 2014·1 cites·5 claims
- 4165US8329373B2Method and apparatus for producing tonerNORIKANE YOSHIHIRO·Filed 2009·Granted Dec 11, 2012·2 cites·10 claims
- 4264US7932007B2Toner and method for producing the same, and image-forming method using the sameRICOH CO LTD·Filed 2005·Granted Apr 26, 2011·2 cites·7 claims
- 4364US7384722B2Method for preparing functional particulate organic material, toner using the functional particulate organic material, and image forming method and apparatus using the tonerRICOH KK·Filed 2004·Granted Jun 10, 2008·8 cites·19 claims
- 4463US8110332B2Electrophotographic toner and method for producing the electrophotographic tonerSUZUKI KAZUMI·Filed 2008·Granted Feb 7, 2012·2 cites·10 claims
- 4559US8252500B2Toner, and method for producing the sameWATANABE YOHICHIROH·Filed 2008·Granted Aug 28, 2012·2 cites·1 claims
- 4658US7666566B2Electrophotographic toner and method of preparing the tonerRICOH KK·Filed 2005·Granted Feb 23, 2010·1 cites·16 claims
- 4757US6740461B2Carrier and two-component developer for electrophotographyRICOH KK·Filed 2002·Granted May 25, 2004·6 cites·17 claims
- 4853US2013196266A1Toner, developer, and image forming apparatusWATANABE YOHICHIROH·Filed 2013·Application pending·0 cites
- 4949US8445171B2Toner for electrophotography and method of preparing the tonerSUZUKI KAZUMI·Filed 2008·Granted May 21, 2013·0 cites·4 claims
- 5049US2008032226A1Toner for developing electrostatic latent imageSUGIYAMA TSUNEMI·Filed 2007·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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