Inventor · disambiguated record
Takuji Takahashi
Also filed as: TAKAHASHI TAKUJI
50 granted patents·2 pending applications·525 citations·filing 1986–2023
98Inventor score
Top patents by PatentIndex Score
52 records- 0198US8346105B2Information storage device, removable device, developer container, and image forming apparatusRICOH CO LTD·Filed 2012·Granted Jan 1, 2013·15 cites·20 claims
- 0297US9081327B2Apparatus and method for preventing an information storage device from falling from a removable deviceTAKAHASHI YASUFUMI·Filed 2014·Granted Jul 14, 2015·9 cites·29 claims
- 0395US6690901B2Image forming apparatusRICOH KK·Filed 2002·Granted Feb 10, 2004·85 cites·20 claims
- 0494US9069287B2Apparatus and method for preventing an information storage device from falling from a removable deviceTAKAHASHI YASUFUMI·Filed 2014·Granted Jun 30, 2015·4 cites·30 claims
- 0594US8909071B2Apparatus and method for preventing an information storage device from falling from a removable deviceTAKAHASHI YASUFUMI·Filed 2013·Granted Dec 9, 2014·4 cites·25 claims
- 0693US8154770B2Image forming apparatusSHIRAKI TAKAMASA·Filed 2008·Granted Apr 10, 2012·28 cites·15 claims
- 0793US8089666B2Image forming apparatusANDOH TAKAYUKI·Filed 2008·Granted Jan 3, 2012·21 cites·16 claims
- 0891US7873303B2Upper frame opening and closing mechanism, and image forming apparatus using the sameRICOH CO LTD·Filed 2008·Granted Jan 18, 2011·13 cites·22 claims
- 0990US7751751B2Image forming apparatus and damperRICOH KK·Filed 2008·Granted Jul 6, 2010·11 cites·12 claims
- 1090US6548180B2Aromatic polyimide film and film laminateUBE INDUSTRIES·Filed 2001·Granted Apr 15, 2003·51 cites·14 claims
- 1189US12416878B2Information storage system including a plurality of terminalsRICOH CO LTD·Filed 2023·Granted Sep 16, 2025·0 cites·15 claims
- 1288US7982923B2Image forming apparatusRICOH CO LTD·Filed 2008·Granted Jul 19, 2011·11 cites·5 claims
- 1387US8103186B2Image forming apparatusANDOH TAKAYUKI·Filed 2008·Granted Jan 24, 2012·9 cites·20 claims
- 1487US6217996B1Aromatic polyimide film and its composite sheetUBE INDUSTRIES·Filed 1999·Granted Apr 17, 2001·59 cites·12 claims
- 1587US5200374ASialon-based sintered body and process for producing sameUBE INDUSTRIES·Filed 1991·Granted Apr 6, 1993·48 cites·10 claims
- 1684US11768448B2Information storage system including a plurality of terminalsRICOH CO LTD·Filed 2022·Granted Sep 26, 2023·0 cites·31 claims
- 1784US8660441B2Information storage device, removable device, developer container, and image forming apparatusTAKAHASHI YASUFUMI·Filed 2012·Granted Feb 25, 2014·1 cites·17 claims
- 1883US10725398B2Developer container having a cap with three portions of different diametersRICOH CO LTD·Filed 2019·Granted Jul 28, 2020·0 cites·20 claims
- 1983US7752349B2Apparatus and method for performing DMA data transferFUJITSU LTD·Filed 2006·Granted Jul 6, 2010·14 cites·12 claims
- 2083US7302204B2Image forming apparatusRICOH KK·Filed 2003·Granted Nov 27, 2007·18 cites·26 claims
- 2182US8244167B2Image forming apparatusANDOH TAKAYUKI·Filed 2008·Granted Aug 14, 2012·7 cites·2 claims
- 2281US11429036B2Information storage system including a plurality of terminalsRICOH CO LTD·Filed 2020·Granted Aug 30, 2022·0 cites·43 claims
- 2381US11275327B2Information storage system including a plurality of terminalsRICOH CO LTD·Filed 2021·Granted Mar 15, 2022·0 cites·21 claims
- 2481US8279495B2Image forming apparatus having cover lock deviceANDOH TAKAYUKI·Filed 2009·Granted Oct 2, 2012·6 cites·5 claims
- 2581US6697600B2Cover plate, image scanning device and image forming apparatusRICOH KK·Filed 2002·Granted Feb 24, 2004·22 cites·32 claims
- 2678US10754275B2Apparatus and method for preventing an information storage device from falling from a removable deviceRICOH CO LTD·Filed 2018·Granted Aug 25, 2020·0 cites·20 claims
- 2778US8194255B2Image forming apparatusANDOH TAKAYUKI·Filed 2008·Granted Jun 5, 2012·5 cites·17 claims
- 2878US8032071B2Image forming apparatus including a reading part supported by first and second supportersRICOH CO LTD·Filed 2008·Granted Oct 4, 2011·5 cites·7 claims
- 2977US11188007B2Developer container which discharges toner from a lower side and includes a box sectionRICOH CO LTD·Filed 2020·Granted Nov 30, 2021·0 cites·20 claims
- 3077US7764905B2Assist members for an openable structure of an image forming apparatusRICOH KK·Filed 2007·Granted Jul 27, 2010·5 cites·19 claims
- 3176US8600288B2Image forming apparatusSHIRAKI TAKAMASA·Filed 2008·Granted Dec 3, 2013·5 cites·15 claims
- 3275US9989887B2Apparatus and method for preventing an information storage device from falling from a removable deviceTAKAHASHI YASUFUMI·Filed 2017·Granted Jun 5, 2018·0 cites·16 claims
- 3375US9256158B2Apparatus and method for preventing an information storage device from falling from a removable deviceRICOH CO LTD·Filed 2014·Granted Feb 9, 2016·0 cites·33 claims
- 3473US9110402B2Apparatus and method for preventing an information storage device from falling from a removable deviceTAKAHASHI YASUFUMI·Filed 2013·Granted Aug 18, 2015·0 cites·43 claims
- 3572US7509482B2Orderly processing ready entries from non-sequentially stored entries using arrival order matrix reordered upon removal of processed entriesFUJITSU LTD·Filed 2006·Granted Mar 24, 2009·6 cites·12 claims
- 3671US9599927B2Apparatus and method for preventing an information storage device from falling from a removable deviceTAKAHASHI YASUFUMI·Filed 2015·Granted Mar 21, 2017·0 cites·36 claims
- 3771US7937028B2Image forming apparatuses having specialized toner structures and materialsRICOH CO LTD·Filed 2009·Granted May 3, 2011·3 cites·16 claims
- 3871US6819896B2Image reading apparatus with wire twist preventing structure and imaging apparatus using the sameRICOH KK·Filed 2002·Granted Nov 16, 2004·10 cites·15 claims
- 3968US7894106B2Image reading device and image forming apparatusRICOH CO LTD·Filed 2006·Granted Feb 22, 2011·2 cites·12 claims
- 4065US6838184B2Aromatic polyimide film for electro-conductive sealing element of packaged semi-conductor deviceUBE INDUSTRIES·Filed 2003·Granted Jan 4, 2005·11 cites·13 claims
- 4164US6754463B2Image reading apparatus and method of accelerating drive of reading portion thereofRICOH KK·Filed 2002·Granted Jun 22, 2004·6 cites·14 claims
- 4263US6549743B2Image reading deviceRICOH KK·Filed 2002·Granted Apr 15, 2003·5 cites·24 claims
- 4356US7292809B2Drive unit, method of producing drive unit, running body moving unit, image reading apparatus, and imaging apparatusRICOH KK·Filed 2002·Granted Nov 6, 2007·2 cites·83 claims
- 4456US6927879B2Power supply cable having a simple structure and an image reading apparatus using such a power supply cableRICOH KK·Filed 2001·Granted Aug 9, 2005·10 cites·10 claims
- 4554US8102545B2Image forming apparatusNANNO SHIGEO·Filed 2007·Granted Jan 24, 2012·1 cites·36 claims
- 4653US7623813B2Bearing structure for a drive mechanism including a crimpRICOH KK·Filed 2004·Granted Nov 24, 2009·2 cites·18 claims
- 4753US6853826B2Image reader, image forming device, and bearing retaining structureRICOH KK·Filed 2002·Granted Feb 8, 2005·2 cites·23 claims
- 4847US4812298AMethod for producing sialon powdersUBE INDUSTRIES·Filed 1986·Granted Mar 14, 1989·9 cites·8 claims
- 4945US2007030532A1Apparatus for image forming of contributing to an effective utilization of a space thereinRICOH KK·Filed 2006·Application pending·0 cites
- 5042US8204431B2Compact image forming apparatus with post-processingSHIRAKI TAKAMASA·Filed 2008·Granted Jun 19, 2012·0 cites·2 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →