Inventor · disambiguated record
Masahide Yamada
Also filed as: YAMADA MASAHIDE
60 granted patents·21 pending applications·320 citations·filing 1980–2021
98Inventor score
Top patents by PatentIndex Score
81 records- 0196US7504188B2Toner 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
- 0296US7459255B2Toner 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
- 0396US7449273B2Toner 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
- 0496US7348121B2Toner, 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
- 0595US7531279B2Toner manufacturing method, toner and developerRICOH KK·Filed 2006·Granted May 12, 2009·22 cites·16 claims
- 0688US9134638B2Toner, developer using the toner, image forming apparatusSAKASHITA SHINGO·Filed 2012·Granted Sep 15, 2015·4 cites·10 claims
- 0788US7550245B2Toner and production method of the same, and image forming methodRICOH KK·Filed 2005·Granted Jun 23, 2009·10 cites·29 claims
- 0888US7348117B2Toner, 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
- 0987US9141013B2Electrophotographic toner, developer containing the toner, and image forming apparatusMORIYA YOSHIHIRO·Filed 2012·Granted Sep 22, 2015·5 cites·12 claims
- 1087US8795940B2Toner and developerSUGIMOTO TSUYOSHI·Filed 2012·Granted Aug 5, 2014·4 cites·10 claims
- 1186US9519235B2Toner, developer using the toner, image forming apparatusRICOH CO LTD·Filed 2015·Granted Dec 13, 2016·2 cites·10 claims
- 1284US8034524B2Toner and image forming method using the tonerRICOH CO LTD·Filed 2010·Granted Oct 11, 2011·3 cites·15 claims
- 1384US8026031B2Toner, 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
- 1483US8808955B2Toner and development agent, image forming apparatus, and process cartridge using the sameNAKAYAMA SHINYA·Filed 2012·Granted Aug 19, 2014·3 cites·19 claims
- 1582US8007977B2Toner and image forming method using the tonerRICOH CO LTD·Filed 2005·Granted Aug 30, 2011·6 cites·13 claims
- 1681US9400439B2Toner, developer, and image forming apparatusNAGATA KOUSUKE·Filed 2013·Granted Jul 26, 2016·4 cites·14 claims
- 1780US7374848B2Toner and method or preparing the tonerRICOH KK·Filed 2004·Granted May 20, 2008·19 cites·10 claims
- 1877US9127118B2Resin for toner, toner using the resin, and development agent using the tonerSANTO HIDEYUKI·Filed 2012·Granted Sep 8, 2015·2 cites·14 claims
- 1975US9012116B2Toner and developerYAMASHITA DAIKI·Filed 2013·Granted Apr 21, 2015·2 cites·13 claims
- 2074US9740125B2Toner for developing electrostatic charge image and method for preparing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Aug 22, 2017·1 cites·5 claims
- 2173US7695883B2Toner 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
- 2270US8951705B2Development agent and image forming apparatus employing sameNAKAYAMA SHINYA·Filed 2013·Granted Feb 10, 2015·1 cites·16 claims
- 2370US8124308B2Toner, 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
- 2469US9856418B2Semiconductor package with improved signal stability and method of manufacturing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Jan 2, 2018·1 cites·14 claims
- 2569US8883385B2Toner, development agent, and image forming apparatus using the sameSAKASHITA SHINGO·Filed 2012·Granted Nov 11, 2014·1 cites·12 claims
- 2669US4700026AWiper home position stop deviceMITSUBA ELECTRIC MFG CO·Filed 1986·Granted Oct 13, 1987·34 cites·12 claims
- 2768US9176406B2Toner, development agent, image forming apparatus, and process cartridgeSEKIGUCHI SATOYUKI·Filed 2013·Granted Nov 3, 2015·1 cites·18 claims
- 2868US8932790B2Toner, developer including the toner, image forming apparatus using the toner, and block copolymerYAMAUCHI YOSHITAKA·Filed 2012·Granted Jan 13, 2015·1 cites·13 claims
- 2968US8735040B2Toner, developer, and image forming apparatusAMEMORI SUZUKA·Filed 2012·Granted May 27, 2014·1 cites·8 claims
- 3068US8685604B2Toner, developer, and image forming apparatusMORIYA YOSHIHIRO·Filed 2012·Granted Apr 1, 2014·1 cites·13 claims
- 3167US12108676B2N-type material for thermoelectric conversion, method for producing same, dopant and thermoelectric conversion elementDENKA COMPANY LTD·Filed 2021·Granted Oct 1, 2024·0 cites·8 claims
- 3267US4350909ABrush lead structure for motor-immersed fuel pumpsMITSUBA ELECTRIC MFG CO·Filed 1980·Granted Sep 21, 1982·22 cites·8 claims
- 3365US9128397B2Resin for use in toner, toner using the resin, developer using the toner, image forming apparatus and method using the toner, and method of manufacturing resinNAKAJIMA YUKIKO·Filed 2012·Granted Sep 8, 2015·1 cites·1 claims
- 3465US8192911B2Method of manufacturing toner and tonerAWAMURA JUNICHI·Filed 2009·Granted Jun 5, 2012·2 cites·18 claims
- 3564US7932007B2Toner 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
- 3664US7670741B2TonerRICOH KK·Filed 2007·Granted Mar 2, 2010·2 cites·11 claims
- 3763US9720339B2Toner, developer using the toner, image forming apparatusRICOH CO LTD·Filed 2016·Granted Aug 1, 2017·0 cites·11 claims
- 3860US10274854B2Toner for developing electrostatic charge image and method for preparing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Apr 30, 2019·0 cites·13 claims
- 3959US7799498B2Toner used for image forming apparatusRICOH KK·Filed 2008·Granted Sep 21, 2010·1 cites·7 claims
- 4058US7989131B2Toner, developer, image forming method, image forming apparatus, process cartridge, and toner containerRICOH CO LTD·Filed 2006·Granted Aug 2, 2011·1 cites·22 claims
- 4157US8951707B2Toner, developer and image forming apparatusAMEMORI SUZUKA·Filed 2013·Granted Feb 10, 2015·0 cites·20 claims
- 4257US8795939B2Toner, and developer and image forming apparatus using the tonerYAMAMOTO ATSUSHI·Filed 2012·Granted Aug 5, 2014·0 cites·13 claims
- 4357US8492063B2Method of manufacturing tonerAWAMURA JUNICHI·Filed 2008·Granted Jul 23, 2013·1 cites·17 claims
- 4457US7824834B2Toner for developing electrostatic image, method for preparing the toner, and image forming method and apparatus using the tonerRICOH KK·Filed 2007·Granted Nov 2, 2010·1 cites·28 claims
- 4557US7824831B2TonerRICOH KK·Filed 2008·Granted Nov 2, 2010·1 cites·13 claims
- 4657US7820350B2Toner, developer, toner container, process cartridge, image forming apparatus, and image forming methodRICOH KK·Filed 2007·Granted Oct 26, 2010·1 cites·15 claims
- 4756US8137883B2Toner, developer, image forming method, image forming apparatus, process cartridge, and toner containerINOUE RYOTA·Filed 2011·Granted Mar 20, 2012·0 cites·17 claims
- 4856US7666563B2Toner and developer using the tonerRICOH KK·Filed 2006·Granted Feb 23, 2010·1 cites·18 claims
- 4955US8822118B2Toner, development agent, and image forming apparatusYAMAMOTO ATSUSHI·Filed 2013·Granted Sep 2, 2014·0 cites·13 claims
- 5054US11834549B2Method for producing polymerizable compositionHOYA LENS THAILAND LTD·Filed 2019·Granted Dec 5, 2023·0 cites·7 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →