Inventor · disambiguated record
Mizuna Tanaka
Also filed as: TANAKA MIZUNA
40 granted patents·6 pending applications·137 citations·filing 2007–2025
97Inventor score
Top patents by PatentIndex Score
46 records- 0193US7918451B2Switchback mechanism and image forming apparatusRICOH CO LTD·Filed 2008·Granted Apr 5, 2011·14 cites·6 claims
- 0292US8118296B2Open/close mechanism for paper tray for use in image forming apparatusNISHII TOSHIKANE·Filed 2010·Granted Feb 21, 2012·6 cites·7 claims
- 0392US8087666B2Sheet discharge device and image forming apparatusHONDA HARUYUKI·Filed 2009·Granted Jan 3, 2012·15 cites·18 claims
- 0491US8256769B2Feeding device and image forming apparatusTAKAHIRA MASAFUMI·Filed 2011·Granted Sep 4, 2012·10 cites·4 claims
- 0591US7731170B2Open/close mechanism for paper tray for use in image forming apparatusRICOH KK·Filed 2007·Granted Jun 8, 2010·10 cites·8 claims
- 0690US8505913B2Sheet transport mechanism and electrophotographic image forming apparatus incorporating sameNISHII TOSHIKANE·Filed 2010·Granted Aug 13, 2013·6 cites·16 claims
- 0790US7900917B2Recording medium conveyer capable of effectively conveying recording medium of various typesRICOH CO LTD·Filed 2009·Granted Mar 8, 2011·9 cites·4 claims
- 0888US9630788B2Paper output tray, paper output unit incorporating same, and image forming apparatus incorporating sameRICOH CO LTD·Filed 2013·Granted Apr 25, 2017·7 cites·21 claims
- 0987US8666297B2Image forming apparatus which determines whether a sheet stacking unit is fullHONDA HARUYUKI·Filed 2011·Granted Mar 4, 2014·7 cites·10 claims
- 1084US8417174B2Sheet feeding device and image forming apparatus incorporating sameYAMAZAKI TOMOYOSHI·Filed 2010·Granted Apr 9, 2013·6 cites·13 claims
- 1184US7677555B2Sheet conveying apparatus and image forming apparatus with vibration applying unitRICOH KK·Filed 2008·Granted Mar 16, 2010·8 cites·9 claims
- 1281US9244417B2Image forming apparatusTANAKA MIZUNA·Filed 2014·Granted Jan 26, 2016·3 cites·14 claims
- 1380US10520873B2Image forming apparatus and image forming methodOZAKI YUUYA·Filed 2017·Granted Dec 31, 2019·4 cites·15 claims
- 1479US9278823B2Sheet feeding device and image forming apparatus incorporating sameFUJII IKUO·Filed 2014·Granted Mar 8, 2016·4 cites·23 claims
- 1578US8465015B2Image forming apparatus and control method thereforFUJIWARA HIROSHI·Filed 2011·Granted Jun 18, 2013·4 cites·13 claims
- 1678US8070159B2Switchback mechanism and image forming apparatusHONDA HARUYUKI·Filed 2011·Granted Dec 6, 2011·2 cites·17 claims
- 1777US9523955B2Sheet feeder and image forming apparatus incorporating the sheet feederHORITA HIROFUMI·Filed 2015·Granted Dec 20, 2016·2 cites·20 claims
- 1877US7992860B2Sheet feeding device, image forming apparatus, and sheet feeding methodRICOH CO LTD·Filed 2009·Granted Aug 9, 2011·5 cites·15 claims
- 1976US9511962B2Sheet feeding device and image forming apparatusTANAKA MIZUNA·Filed 2015·Granted Dec 6, 2016·2 cites·20 claims
- 2075US2025382145A1Sheet feeding device and image forming apparatus incorporating sameTANAKA MIZUNA·Filed 2025·Application pending·0 cites
- 2174US9487364B2Sheet conveying device and image forming apparatusKIMURA IPPEI·Filed 2013·Granted Nov 8, 2016·3 cites·22 claims
- 2266US9187280B2Sheet feeding device, control method for the sheet feeding device, and image forming apparatus incorporating the sheet feeding deviceNISHII TOSHIKANE·Filed 2011·Granted Nov 17, 2015·2 cites·13 claims
- 2366US8413982B2Conveyer and image forming apparatus including the sameHONDA HARUYUKI·Filed 2010·Granted Apr 9, 2013·2 cites·9 claims
- 2466US8240657B2Sheet feeding device and image forming apparatusTANAKA MIZUNA·Filed 2008·Granted Aug 14, 2012·3 cites·22 claims
- 2564US9868601B2Sheet feeder and image forming apparatus incorporating the sheet feederFUJII IKUO·Filed 2015·Granted Jan 16, 2018·1 cites·19 claims
- 2663US12208979B2Feeding device and image forming apparatus incorporating sameTANAKA MIZUNA·Filed 2022·Granted Jan 28, 2025·0 cites·18 claims
- 2759US7954814B2Feeding device and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jun 7, 2011·1 cites·11 claims
- 2858US8561979B2Open/close mechanism for paper tray for use in image forming apparatusNISHII TOSHIKANE·Filed 2012·Granted Oct 22, 2013·0 cites·12 claims
- 2957US8807552B2Image forming apparatus, optional sheet feeder, and base plate memberKONDO KAZUYOSHI·Filed 2009·Granted Aug 19, 2014·1 cites·16 claims
- 3053US8322718B2Recording medium conveyer capable of effectively conveying recording medium of various typesFUJIWARA HIROSHI·Filed 2011·Granted Dec 4, 2012·0 cites·7 claims
- 3152US11046545B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceTANAKA MIZUNA·Filed 2020·Granted Jun 29, 2021·0 cites·17 claims
- 3252US10160613B2Sheet feeder and image forming apparatus incorporating the sheet feederTANAKA TOMOYA·Filed 2016·Granted Dec 25, 2018·0 cites·20 claims
- 3350US7963520B2Sheet loading device, sheet conveying device, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jun 21, 2011·0 cites·19 claims
- 3449US2010059930A1Paper feeder and image forming deviceRICOH KK·Filed 2009·Application pending·0 cites
- 3548US8340564B2Sheet thickness detector and image forming apparatus using sameKONDO KAZUYOSHI·Filed 2010·Granted Dec 25, 2012·0 cites·15 claims
- 3646US9346640B2Sheet feeder and image forming apparatusHORITA HIROFUMI·Filed 2015·Granted May 24, 2016·0 cites·17 claims
- 3744US2021024305A1Sheet loader and image forming apparatus incorporating the sheet loaderTANAKA MIZUNA·Filed 2020·Application pending·0 cites
- 3843US8454011B2Sheet feeder and image forming apparatus incorporating sameTANAKA MIZUNA·Filed 2011·Granted Jun 4, 2013·0 cites·26 claims
- 3942US9085426B2Feeding device and image forming apparatusFUJII IKUO·Filed 2013·Granted Jul 21, 2015·0 cites·13 claims
- 4041US8260187B2Image forming deviceHONDA HARUYUKI·Filed 2008·Granted Sep 4, 2012·0 cites·8 claims
- 4141US2008273908A1Sheet discharging device and image forming apparatusRICOH KK·Filed 2008·Application pending·0 cites
- 4240US8752824B2Sheet inverting device and image forming apparatus incorporating sameFUJIWARA HIROSHI·Filed 2011·Granted Jun 17, 2014·0 cites·19 claims
- 4339US8843050B2Drive unit, image forming apparatus including same, and driving method thereforFUKUSHIMA TATSUO·Filed 2011·Granted Sep 23, 2014·0 cites·20 claims
- 4436US8641031B2Sheet feeder and image forming apparatus including sameNISHIOKA KUNIHIKO·Filed 2013·Granted Feb 4, 2014·0 cites·9 claims
- 4535US2010225041A1Image forming systemRICOH KK·Filed 2010·Application pending·0 cites
- 4635US2019071268A1Sheet stacker, sheet tray, image forming apparatus, and composite image forming apparatusNISHIOKA KUNIHIKO·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →