Inventor · disambiguated record
Minoru Masuda
Also filed as: MASUDA MINORU
82 granted patents·14 pending applications·806 citations·filing 1989–2024
99Inventor score
Top patents by PatentIndex Score
96 records- 0195US6818369B2Toner for electrostatic image development and image forming method and apparatus using the tonerRICOH KK·Filed 2002·Granted Nov 16, 2004·58 cites·26 claims
- 0294US8211610B2Carrier for use in developer developing electrostatic image, developer using the carrier, and image forming method and apparatus and process cartridge using the developerYAMAGUCHI KIMITOSHI·Filed 2010·Granted Jul 3, 2012·15 cites·12 claims
- 0394US7759036B2Toner and production method thereof, image forming apparatus and image forming method, and process cartridgeRICOH KK·Filed 2005·Granted Jul 20, 2010·17 cites·28 claims
- 0494US6828075B2Carrier for electrophotography and developer using the sameRICOH KK·Filed 2002·Granted Dec 7, 2004·52 cites·19 claims
- 0594US6770411B2Negatively chargeable tonerRICOH KK·Filed 2002·Granted Aug 3, 2004·50 cites·9 claims
- 0694US5721083ADry color toner for electrophotography and production process thereofRICOH KK·Filed 1995·Granted Feb 24, 1998·66 cites·15 claims
- 0793US7169522B2Toner for developing a latent electrostatic image, developer using the same, full-color toner kit using the same, image-forming apparatus using the same, image-forming process cartridge using the same and image-forming process using the sameRICOH KK·Filed 2003·Granted Jan 30, 2007·42 cites·20 claims
- 0893US6861191B2Dry toner for developing electrostatic imagesRICOH KK·Filed 2002·Granted Mar 1, 2005·45 cites·18 claims
- 0991US7522857B2Toner, image forming apparatus using the same and process cartridgeRICOH KK·Filed 2005·Granted Apr 21, 2009·14 cites·17 claims
- 1091US7024140B2Toner feeder, toner, and electrophotographic image forming apparatus using the toner feeder and tonerRICOH KK·Filed 2004·Granted Apr 4, 2006·36 cites·2 claims
- 1190US5453852APaper feed roller structure for image reading apparatusPFU LTD·Filed 1993·Granted Sep 26, 1995·39 cites·7 claims
- 1287US7658374B2Sheet feederPFU LTD·Filed 2006·Granted Feb 9, 2010·10 cites·8 claims
- 1387US5491567AImage reading apparatusPFU LTD·Filed 1995·Granted Feb 13, 1996·23 cites·2 claims
- 1486US7985518B2Toner, image forming apparatus using the same, and image forming methodRICOH CO LTD·Filed 2008·Granted Jul 26, 2011·7 cites·3 claims
- 1586US5537219AMovable image reading apparatusPFU LTD·Filed 1995·Granted Jul 16, 1996·22 cites·2 claims
- 1685US7539708B2Backup system, backup controlling apparatus, backup data managing method and a computer readable recording medium recorded thereon backup controlling programFUJITSU LTD·Filed 2005·Granted May 26, 2009·21 cites·20 claims
- 1785US5606430AImage reading apparatus having projections on surface of hopper near side edges of paper feed path to prevent close contact and reduce static electricityFUJITSU LTD·Filed 1995·Granted Feb 25, 1997·20 cites·1 claims
- 1883US5102731ARecording mediumMITSUBISHI CHEM IND·Filed 1989·Granted Apr 7, 1992·38 cites·42 claims
- 1980US8475989B2Carrier, method for preparing the carrier, developer using the carrier, developer container, and image forming method and process cartridge using the developerTAKAHASHI YUTAKA·Filed 2010·Granted Jul 2, 2013·3 cites·15 claims
- 2080US7183029B2Dry toner, toner kit, and image forming apparatus and process cartridge using the dry tonerRICOH KK·Filed 2004·Granted Feb 27, 2007·17 cites·13 claims
- 2179US8758973B2Method and apparatus for producing tonerMAKABE KEIJI·Filed 2011·Granted Jun 24, 2014·6 cites·8 claims
- 2278US9785075B2Toner, developer, image forming apparatus, and process cartridgeNAKAYAMA SHINYA·Filed 2013·Granted Oct 10, 2017·2 cites·16 claims
- 2378US8034523B2Full color toner, and its use in electrophotography methods and apparatusRICOH CO LTD·Filed 2005·Granted Oct 11, 2011·5 cites·10 claims
- 2478US5573338AAutomatic paper feeder and frame structure of document input devicePFU LTD·Filed 1994·Granted Nov 12, 1996·34 cites·24 claims
- 2577US7568695B2Sheet feeder and jam detecting methodPFU LTD·Filed 2006·Granted Aug 4, 2009·5 cites·8 claims
- 2676US10712681B2Toner, toner storage unit, image forming apparatus, and method for manufacturing tonerMASUDA MINORU·Filed 2019·Granted Jul 14, 2020·1 cites·7 claims
- 2776US8431312B2Carrier, developer, and image forming methodMASUDA MINORU·Filed 2009·Granted Apr 30, 2013·4 cites·13 claims
- 2876US7901861B2Electrophotographic image forming methodRICOH CO LTD·Filed 2007·Granted Mar 8, 2011·4 cites·11 claims
- 2975US9964873B2Toner, developer, image forming apparatus and toner housing unitYAMASHITA HIROSHI·Filed 2016·Granted May 8, 2018·1 cites·12 claims
- 3075US8518626B2Carrier, method for preparing the carrier, developer using the carrier, developer container, and image forming method and apparatus and process cartridge using the developerYAMADA SAORI·Filed 2011·Granted Aug 27, 2013·2 cites·18 claims
- 3175US8512929B2Latent electrostatic image developing carrier, two-component developer and image forming methodIWATSUKI HITOSHI·Filed 2010·Granted Aug 20, 2013·2 cites·20 claims
- 3275US7971867B2Sheet feeding apparatus and medium detecting methodPFU LTD·Filed 2009·Granted Jul 5, 2011·5 cites·6 claims
- 3374US11155936B2Highly functional polyethylene fiber, and dyed highly functional polyethylene fiberFUKUSHIMA YASUNORI·Filed 2011·Granted Oct 26, 2021·3 cites·24 claims
- 3474US10895816B2Image forming apparatus and toner setMASUDA MINORU·Filed 2019·Granted Jan 19, 2021·1 cites·16 claims
- 3571US9170508B2Particulate material production method and apparatus, toner production method and apparatus, and tonerRICOH CO LTD·Filed 2014·Granted Oct 27, 2015·1 cites·6 claims
- 3670US10126678B2Toner, toner housing unit, image forming apparatus, and image forming methodHashida Shizuka·Filed 2016·Granted Nov 13, 2018·1 cites·23 claims
- 3770US9056296B2Apparatus for manufacturing fine particles and tonerTAKAHASHI SATOSHI·Filed 2013·Granted Jun 16, 2015·1 cites·18 claims
- 3870US8201823B2Sheet feeding apparatusMORIKAWA SHYUICHI·Filed 2006·Granted Jun 19, 2012·8 cites·6 claims
- 3970US5537225AAttachment of a light source in an image reading apparatusPFU LTD·Filed 1995·Granted Jul 16, 1996·10 cites·2 claims
- 4069US8679723B2Method of manufacturing tonerMASUDA MINORU·Filed 2012·Granted Mar 25, 2014·1 cites·7 claims
- 4168US9176406B2Toner, development agent, image forming apparatus, and process cartridgeSEKIGUCHI SATOYUKI·Filed 2013·Granted Nov 3, 2015·1 cites·18 claims
- 4268US8673534B2Particulate material production method and apparatus, toner production method and apparatus, and tonerKATOH KIYOTADA·Filed 2012·Granted Mar 18, 2014·1 cites·7 claims
- 4367US8481239B2Carrier for two-component developerNAKAJIMA HISASHI·Filed 2010·Granted Jul 9, 2013·1 cites·18 claims
- 4467US6424433B1Original readerPFU LTD·Filed 1998·Granted Jul 23, 2002·32 cites·25 claims
- 4567US5493422AImage reading apparatus with transparent guide forming separate arc passages with feed rollers for document insertion and outputPFU LTD·Filed 1995·Granted Feb 20, 1996·9 cites·3 claims
- 4666US9141010B2Particulate material production apparatus, and particulate material production methodKATOH KIYOTADA·Filed 2013·Granted Sep 22, 2015·1 cites·12 claims
- 4765US12436479B2Carrier for forming electrophotographic image, developer for forming electrophotographic image, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridgeNAGAYAMA MASASHI·Filed 2021·Granted Oct 7, 2025·0 cites·16 claims
- 4864US5504587AImage reading apparatusPFU LTD·Filed 1995·Granted Apr 2, 1996·8 cites·4 claims
- 4963US12147192B2Carrier for developing electrostatic latent image, two-component developer, image forming apparatus, process cartridge, and image forming methodKISHIDA HIROYUKI·Filed 2022·Granted Nov 19, 2024·0 cites·9 claims
- 5063US5330824AImage protecting film and image protecting methodMITSUBISHI CHEM IND·Filed 1992·Granted Jul 19, 1994·11 cites·9 claims
Showing the top 50 of 96 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →