Inventor · disambiguated record
Masafumi Takahira
Also filed as: TAKAHIRA MASAFUMI
28 granted patents·2 pending applications·115 citations·filing 2006–2013
95Inventor score
Top patents by PatentIndex Score
30 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
- 0391US8412056B2Image forming apparatus performing image formation by conveying paperFURUICHI YUUSUKE·Filed 2010·Granted Apr 2, 2013·7 cites·12 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
- 0691US7676176B2Image forming apparatus including cover and supporting unitRICOH KK·Filed 2008·Granted Mar 9, 2010·13 cites·14 claims
- 0786US7878725B2Image forming apparatus having removable unitsRICOH CO LTD·Filed 2007·Granted Feb 1, 2011·8 cites·14 claims
- 0884US7677555B2Sheet conveying apparatus and image forming apparatus with vibration applying unitRICOH KK·Filed 2008·Granted Mar 16, 2010·8 cites·9 claims
- 0983US8611783B2Interlock system and image forming apparatus incorporating interlock systemONUMA SEI·Filed 2011·Granted Dec 17, 2013·4 cites·12 claims
- 1083US7869750B2Image forming apparatus with a phase of a first load torque substantially opposite to a phase of a second load torqueRICOH CO LTD·Filed 2008·Granted Jan 11, 2011·7 cites·20 claims
- 1179US8311438B2Interlock device and image forming apparatus incorporating sameONUMA SEI·Filed 2010·Granted Nov 13, 2012·3 cites·14 claims
- 1278US8070159B2Switchback mechanism and image forming apparatusHONDA HARUYUKI·Filed 2011·Granted Dec 6, 2011·2 cites·17 claims
- 1377US7992860B2Sheet feeding device, image forming apparatus, and sheet feeding methodRICOH CO LTD·Filed 2009·Granted Aug 9, 2011·5 cites·15 claims
- 1475US7731182B2Sliding mechanism, sheet guide, sheet loading device, and image forming apparatusRICOH KK·Filed 2007·Granted Jun 8, 2010·5 cites·12 claims
- 1567US8831463B2Image forming apparatusKONDO KAZUYOSHI·Filed 2012·Granted Sep 9, 2014·1 cites·17 claims
- 1666US8873977B2Image forming apparatusTAKAHIRA MASAFUMI·Filed 2013·Granted Oct 28, 2014·1 cites·14 claims
- 1766US8798517B2Sheet supplying device and image forming apparatus incorporating sameMATSUYAMA YASUO·Filed 2011·Granted Aug 5, 2014·2 cites·14 claims
- 1866US8240657B2Sheet feeding device and image forming apparatusTANAKA MIZUNA·Filed 2008·Granted Aug 14, 2012·3 cites·22 claims
- 1965US8045888B2Sheet conveying device and image forming apparatusRICOH CO LTD·Filed 2006·Granted Oct 25, 2011·2 cites·18 claims
- 2063US7983596B2Housing structure and image forming apparatusRICOH CO LTD·Filed 2009·Granted Jul 19, 2011·2 cites·13 claims
- 2159US7954814B2Feeding device and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jun 7, 2011·1 cites·11 claims
- 2258US8561979B2Open/close mechanism for paper tray for use in image forming apparatusNISHII TOSHIKANE·Filed 2012·Granted Oct 22, 2013·0 cites·12 claims
- 2357US8807552B2Image forming apparatus, optional sheet feeder, and base plate memberKONDO KAZUYOSHI·Filed 2009·Granted Aug 19, 2014·1 cites·16 claims
- 2455US8320798B2Sheet conveying device and image forming apparatusNANNO SHIGEO·Filed 2011·Granted Nov 27, 2012·0 cites·16 claims
- 2550US7963520B2Sheet loading device, sheet conveying device, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jun 21, 2011·0 cites·19 claims
- 2649US8923730B2Image forming apparatusHASHIMOTO HARUO·Filed 2013·Granted Dec 30, 2014·0 cites·18 claims
- 2743US8526853B2Image forming apparatus having toner passage blocking mechanismTADA KAORU·Filed 2010·Granted Sep 3, 2013·0 cites·10 claims
- 2841US8260187B2Image forming deviceHONDA HARUYUKI·Filed 2008·Granted Sep 4, 2012·0 cites·8 claims
- 2941US2008273908A1Sheet discharging device and image forming apparatusRICOH KK·Filed 2008·Application pending·0 cites
- 3038US2007065201A1Sheet conveying apparatus and image forming apparatusRICOH PRINTING SYS LTD·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →