Inventor · disambiguated record
Osamu Uchinokura
Also filed as: UCHINOKURA OSAMU
52 granted patents·18 pending applications·1,165 citations·filing 2000–2014
98Inventor score
Top patents by PatentIndex Score
70 records- 0199US7374851B2Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming methodRICOH KK·Filed 2006·Granted May 20, 2008·67 cites·25 claims
- 0299US7318989B2Toner, developer, toner container, process cartridge, image forming apparatus, and image forming methodRICOH KK·Filed 2006·Granted Jan 15, 2008·71 cites·14 claims
- 0398US7455942B2Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the sameRICOH KK·Filed 2005·Granted Nov 25, 2008·41 cites·19 claims
- 0498US7258959B2Toner for electrophotography and image forming apparatusRICOH KK·Filed 2005·Granted Aug 21, 2007·42 cites·34 claims
- 0598US6503676B2Toner, external additive therefor and image forming method using the tonerRICOH KK·Filed 2001·Granted Jan 7, 2003·174 cites·44 claims
- 0697US6432589B1Image formation method, electrophotographic toners, and printed matterRICOH KK·Filed 2000·Granted Aug 13, 2002·99 cites·10 claims
- 0797US6360068B1Electrophotographic image formation process and apparatusFUJITSU LTD·Filed 2000·Granted Mar 19, 2002·135 cites·24 claims
- 0896US7521164B2Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming methodRICOH KK·Filed 2008·Granted Apr 21, 2009·22 cites·7 claims
- 0995US6416914B1Image formation process and developer used thereinFUJITSU LTD·Filed 2000·Granted Jul 9, 2002·62 cites·25 claims
- 1094US7368213B2Toner and fixing device and image forming device using the sameRICOH KK·Filed 2005·Granted May 6, 2008·17 cites·19 claims
- 1194US6432590B1Electrophotographic toner and image forming method using the tonerRICOH KK·Filed 2000·Granted Aug 13, 2002·72 cites·34 claims
- 1293US6818370B2Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatusRICOH KK·Filed 2002·Granted Nov 16, 2004·43 cites·12 claims
- 1391US7566521B2Toner, developer, toner container, process cartridge, image forming apparatus, and image forming methodRICOH KK·Filed 2007·Granted Jul 28, 2009·11 cites·16 claims
- 1491US6855468B1Color image formation methodFUJITSU LTD·Filed 2000·Granted Feb 15, 2005·40 cites·10 claims
- 1591US6479204B1Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the sameRICOH KK·Filed 2000·Granted Nov 12, 2002·31 cites·4 claims
- 1690US8778588B2Toner for electrostatic charge developmentKUSAHARA TERUKI·Filed 2011·Granted Jul 15, 2014·8 cites·17 claims
- 1788US8795938B2Toner and image forming apparatusUCHINOKURA OSAMU·Filed 2013·Granted Aug 5, 2014·6 cites·9 claims
- 1888US6916587B2Toner, developer, and image forming method and apparatusRICOH KK·Filed 2002·Granted Jul 12, 2005·31 cites·83 claims
- 1987US8007976B2Electrostatic image developing toner, toner kit and image forming apparatusRICOH CO LTD·Filed 2006·Granted Aug 30, 2011·10 cites·22 claims
- 2087US6641969B2Magnetic toner with negative polarity for developing latent electrostatic images, and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Nov 4, 2003·24 cites·4 claims
- 2185US7300736B2Toner, and developer, image forming method, image forming apparatus and process cartridge using the tonerRICOH KK·Filed 2004·Granted Nov 27, 2007·21 cites·23 claims
- 2285US6737210B2Image formation method, electrophotographic toners, and printed matterRICOH KK·Filed 2002·Granted May 18, 2004·25 cites·5 claims
- 2384US8431304B2Toner and developerSUGIMOTO TSUYOSHI·Filed 2011·Granted Apr 30, 2013·4 cites·14 claims
- 2484US8026031B2Toner, 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
- 2584US6733939B2Toner, developer and container for the developer, and method of and apparatus for forming an imageRICOH KK·Filed 2001·Granted May 11, 2004·52 cites·26 claims
- 2683US8614043B2TonerWATANABE MASAKI·Filed 2012·Granted Dec 24, 2013·3 cites·23 claims
- 2782US8956795B2Toner for developing electrostatic image, two-component developer and image forming apparatusKOJIMA SATOSHI·Filed 2013·Granted Feb 17, 2015·3 cites·10 claims
- 2879US9005864B2Toner, two-component developer and image forming apparatusSATOH SYOUKO·Filed 2013·Granted Apr 14, 2015·4 cites·7 claims
- 2977US8652719B2Toner, process cartridge, and image forming apparatusUCHINOKURA OSAMU·Filed 2012·Granted Feb 18, 2014·2 cites·12 claims
- 3077US7442484B2Image forming method using tonerRICOH KK·Filed 2004·Granted Oct 28, 2008·16 cites·13 claims
- 3175US8455169B2Toner, method for preparing the toner, and image forming method using the tonerINOUE DAISUKE·Filed 2010·Granted Jun 4, 2013·2 cites·17 claims
- 3270US8124308B2Toner, 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
- 3369US7741002B2Toner, toner production method, and image forming methodRICOH KK·Filed 2006·Granted Jun 22, 2010·3 cites·12 claims
- 3468US8758968B2Toner, production method thereof, developer and image forming methodWATANABE NAOHIRO·Filed 2011·Granted Jun 24, 2014·1 cites·9 claims
- 3565US9201326B2Toner, developer and image forming apparatusYOSHIDA RYUUTA·Filed 2012·Granted Dec 1, 2015·1 cites·6 claims
- 3665US8192911B2Method of manufacturing toner and tonerAWAMURA JUNICHI·Filed 2009·Granted Jun 5, 2012·2 cites·18 claims
- 3764US7547497B2Toner, and developer, image developer and image forming apparatus using the tonerRICOH KK·Filed 2005·Granted Jun 16, 2009·2 cites·11 claims
- 3863US7943280B2Toner containing a laminar inorganic mineral in which part or all of the ions present between layers are modified by organic ionsRICOH CO LTD·Filed 2007·Granted May 17, 2011·2 cites·19 claims
- 3958US8043778B2Toner, method for preparing the toner, and image forming apparatus using the tonerRICOH CO LTD·Filed 2007·Granted Oct 25, 2011·1 cites·22 claims
- 4057US8492063B2Method of manufacturing tonerAWAMURA JUNICHI·Filed 2008·Granted Jul 23, 2013·1 cites·17 claims
- 4157US8029960B2Toner for developing electrostatic latent image, and image forming apparatus and process cartridge using the tonerRICOH CO LTD·Filed 2008·Granted Oct 4, 2011·1 cites·18 claims
- 4257US7824831B2TonerRICOH KK·Filed 2008·Granted Nov 2, 2010·1 cites·13 claims
- 4355US7642032B2Toner, developer, image forming apparatus and image forming methodRICOH KK·Filed 2004·Granted Jan 5, 2010·5 cites·10 claims
- 4453US8518622B2Toner, developer, and image forming methodOGAWA SATOSHI·Filed 2011·Granted Aug 27, 2013·0 cites·16 claims
- 4552US8435716B2Method for producing toner, toner, and image forming method using the sameWATANABE MASAKI·Filed 2011·Granted May 7, 2013·0 cites·7 claims
- 4649US8187785B2Method of manufacturing tonerAWAMURA JUNICHI·Filed 2009·Granted May 29, 2012·0 cites·17 claims
- 4749US2007264035A1Toner, and developer, image forming method, image forming apparatus and process cartridge using the tonerFUSHIMI HIROYUKI·Filed 2007·Application pending·0 cites
- 4848US8178276B2Method of manufacturing tonerUCHINOKURA OSAMU·Filed 2009·Granted May 15, 2012·0 cites·13 claims
- 4947US9201325B2Toner containing crystalline polyesterSUGIMOTO TSUYOSHI·Filed 2011·Granted Dec 1, 2015·0 cites·17 claims
- 5046US9274445B2Toner set, developer set, and image forming apparatusAWAMURA JUNICHI·Filed 2013·Granted Mar 1, 2016·0 cites·7 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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