Inventor · disambiguated record
Manabu Nonaka
Also filed as: NONAKA MANABU
84 granted patents·9 pending applications·497 citations·filing 1999–2023
99Inventor score
Top patents by PatentIndex Score
93 records- 0195US9856099B2Sheet feeder and image forming apparatus incorporating the sheet feederAOYAMA JUMPEI·Filed 2016·Granted Jan 2, 2018·9 cites·20 claims
- 0295US7515866B2Image forming apparatusRICOH KK·Filed 2005·Granted Apr 7, 2009·25 cites·13 claims
- 0394US7635123B2Image forming apparatus, image forming method, and bypass sheet supplier capable of regulating and supplying recording mediumRICOH KK·Filed 2006·Granted Dec 22, 2009·18 cites·10 claims
- 0491US7418235B2Method and apparatus for image formingRICOH KK·Filed 2005·Granted Aug 26, 2008·15 cites·33 claims
- 0590US10968061B2Image forming apparatusAOYAMA JUMPEI·Filed 2018·Granted Apr 6, 2021·3 cites·20 claims
- 0690US8480073B1Sheet feeder and image forming apparatus incorporating sameISHIKAWA YOSHIKUNI·Filed 2011·Granted Jul 9, 2013·9 cites·13 claims
- 0790US8342507B2Sheet conveying device and image forming apparatusRICOH CO LTD·Filed 2011·Granted Jan 1, 2013·8 cites·4 claims
- 0890US7758044B2Image forming apparatus, sheet conveying device, and sheet conveying methodRICOH KK·Filed 2007·Granted Jul 20, 2010·11 cites·15 claims
- 0990US7506948B2Image formation apparatusRICOH KK·Filed 2005·Granted Mar 24, 2009·11 cites·11 claims
- 1089US8267394B2Sheet feeding device and image forming apparatus incorporating sameHIGAKI HIDETO·Filed 2011·Granted Sep 18, 2012·8 cites·9 claims
- 1189US7962082B2Fixing device, image forming apparatus, and fixing method having an expanding/contracting contacting memberRICOH CO LTD·Filed 2008·Granted Jun 14, 2011·10 cites·15 claims
- 1289US6617733B1Magnetic bearing apparatus and vacuum pump having magnetic bearing apparatusSEIKO INSTR INC·Filed 2000·Granted Sep 9, 2003·43 cites·20 claims
- 1388US9004482B2Sheet conveyor and image forming apparatus incorporating sameISHIKAWA YOSHIKUNI·Filed 2013·Granted Apr 14, 2015·6 cites·13 claims
- 1486US8177217B2Sheet feeding device and image forming apparatus incorporating sameTAKAHASHI TOSHIAKI·Filed 2010·Granted May 15, 2012·6 cites·14 claims
- 1586US8157257B2Sheet feeding device and electrophotographic image forming apparatus with rotating charged beltTOYOOKA TSUGUNAO·Filed 2010·Granted Apr 17, 2012·6 cites·8 claims
- 1685US10167148B2Image forming apparatus and dustproof coverKUNO SATOSHI·Filed 2017·Granted Jan 1, 2019·4 cites·9 claims
- 1785US9625866B2Image forming apparatusAOYAMA JUMPEI·Filed 2014·Granted Apr 18, 2017·4 cites·12 claims
- 1882US7505714B2Image forming deviceRICOH KK·Filed 2005·Granted Mar 17, 2009·8 cites·10 claims
- 1981US12338094B2Image forming apparatusAOYAMA JUMPEI·Filed 2023·Granted Jun 24, 2025·0 cites·17 claims
- 2081US10267321B2Stator disk and vacuum pumpEDWARDS JAPAN LTD·Filed 2014·Granted Apr 23, 2019·4 cites·20 claims
- 2181US8408532B2Image forming apparatusHIGAKI HIDETO·Filed 2010·Granted Apr 2, 2013·6 cites·13 claims
- 2281US7673984B2Image forming apparatus having a removable output unitRICOH KK·Filed 2006·Granted Mar 9, 2010·6 cites·6 claims
- 2380US7611138B2Paper feeder and image forming apparatus using the sameRICOH KK·Filed 2005·Granted Nov 3, 2009·7 cites·16 claims
- 2479US10662957B2Vacuum exhaust mechanism, compound type vacuum pump, and rotating body partEDWARDS JAPAN LTD·Filed 2014·Granted May 26, 2020·4 cites·10 claims
- 2578US8690525B2Vacuum pumpOHTACHI YOSHINOBU·Filed 2009·Granted Apr 8, 2014·10 cites·15 claims
- 2678US6948710B2Method and apparatus for sheet feeding and image forming apparatus incorporating the sameRICOH KK·Filed 2003·Granted Sep 27, 2005·18 cites·38 claims
- 2778US6755611B1Vacuum pumpBOC EDWARDS JAPAN LTD·Filed 2000·Granted Jun 29, 2004·25 cites·20 claims
- 2877US11009040B2Vacuum pumpEDWARDS JAPAN LTD·Filed 2015·Granted May 18, 2021·2 cites·16 claims
- 2976US8474811B2Sheet feeding device and image forming apparatus incorporating sameTAKAHASHI TOSHIAKI·Filed 2012·Granted Jul 2, 2013·3 cites·5 claims
- 3075US8020851B2Sheet supplier and image forming apparatus incorporating same with friction and electrostatic separators with overlapping planes of projectionRICOH CO LTD·Filed 2009·Granted Sep 20, 2011·5 cites·8 claims
- 3173US11667484B2Image forming apparatusAOYAMA JUMPEI·Filed 2021·Granted Jun 6, 2023·0 cites·20 claims
- 3272US8857809B2Sheet separation/conveyance device and image forming apparatus incorporating sameTOYOOKA TSUGUNAO·Filed 2013·Granted Oct 14, 2014·3 cites·6 claims
- 3372US6779969B2Vacuum pumpBOC TECHNOLOGIES LTD·Filed 2002·Granted Aug 24, 2004·19 cites·16 claims
- 3471US10280937B2Vacuum pump component, siegbahn type exhaust mechanism and compound vacuum pumpEDWARDS JAPAN LTD·Filed 2014·Granted May 7, 2019·2 cites·15 claims
- 3571US7572096B2Vacuum pumpBOC EDWARDS JAPAN LTD·Filed 2005·Granted Aug 11, 2009·14 cites·9 claims
- 3670US6851848B2Turbo-molecular pump having radiation temperature apparatusBOC TECHNOLOGIES LTD·Filed 2003·Granted Feb 8, 2005·14 cites·27 claims
- 3769US10364814B2Vacuum pumpEDWARDS JAPAN LTD·Filed 2013·Granted Jul 30, 2019·2 cites·10 claims
- 3868US8523170B2Sheet feeder and image forming apparatus incorporating sameNISHIDA HAJIME·Filed 2011·Granted Sep 3, 2013·2 cites·5 claims
- 3968US7731353B2Image forming apparatusRICOH KK·Filed 2007·Granted Jun 8, 2010·2 cites·13 claims
- 4068US6832888B2Molecular pump for forming a vacuumBOC TECHNOLOGIES LTD·Filed 2002·Granted Dec 21, 2004·16 cites·20 claims
- 4167US6910850B2Vacuum pumpBOC TECHNOLOGIES LTD·Filed 2002·Granted Jun 28, 2005·15 cites·22 claims
- 4266US7712892B2Image forming apparatusRICOH KK·Filed 2005·Granted May 11, 2010·2 cites·7 claims
- 4366US6672827B2Vacuum pumpSEIKO INSTR INC·Filed 2001·Granted Jan 6, 2004·14 cites·11 claims
- 4466US6499942B1Turbomolecular pump and vacuum apparatusSEIKO INSTR INC·Filed 1999·Granted Dec 31, 2002·29 cites·10 claims
- 4566US6290457B1Vacuum pumpSEIKO INSTR INC·Filed 2000·Granted Sep 18, 2001·14 cites·11 claims
- 4662US10008892B2IPM motor for vacuum pumpEDWARDS JAPAN LTD·Filed 2013·Granted Jun 26, 2018·1 cites·4 claims
- 4762US8833755B2Sheet feeding device, electrophotographic image forming apparatus incorporating same, and sheet separation method for the apparatusTOYOOKA TSUGUNAO·Filed 2010·Granted Sep 16, 2014·2 cites·2 claims
- 4860US12228951B2Vacuum exhaust systemEDWARDS JAPAN LTD·Filed 2021·Granted Feb 18, 2025·0 cites·5 claims
- 4960US8746675B2Sheet feeder and image forming apparatus incorporating sameNISHIDA HAJIME·Filed 2013·Granted Jun 10, 2014·1 cites·6 claims
- 5059US9869959B2Image forming apparatusTOBINAGA HIDEKI·Filed 2017·Granted Jan 16, 2018·0 cites·11 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →