Inventor · disambiguated record
Yasufumi Takahashi
Also filed as: TAKAHASHI YASUFUMI
91 granted patents·31 pending applications·467 citations·filing 1986–2023
99Inventor score
Files withTAKAHASHI YASUFUMI29PANASONIC IP MAN CO LTD19RICOH CO LTD12SANYO ELECTRIC CO10HITACHI LTD5
Top patents by PatentIndex Score
122 records- 0198USD758482SToner bottleTAKAHASHI YASUFUMI·Filed 2014·Granted Jun 7, 2016·12 cites·1 claims
- 0298USD757161SToner containerTAKAHASHI YASUFUMI·Filed 2014·Granted May 24, 2016·12 cites·1 claims
- 0398US8346105B2Information storage device, removable device, developer container, and image forming apparatusRICOH CO LTD·Filed 2012·Granted Jan 1, 2013·15 cites·20 claims
- 0497US9081327B2Apparatus 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
- 0595US8231522B2Electronic endoscope systemENDO AZUCHI·Filed 2009·Granted Jul 31, 2012·59 cites·13 claims
- 0694US9069287B2Apparatus 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
- 0794US9001972B2Radiation image detection apparatus and radiation image photographing systemFUJIFILM CORP·Filed 2012·Granted Apr 7, 2015·20 cites·9 claims
- 0894US8909071B2Apparatus 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
- 0993US8576565B2Electronic device cooling structureMATSUMOTO SUBARU·Filed 2010·Granted Nov 5, 2013·25 cites·14 claims
- 1092US9141039B2Image forming apparatus including a cam member to separate a transfer memberKATO YUJI·Filed 2013·Granted Sep 22, 2015·7 cites·9 claims
- 1190US7435510B2Nonaqueous electrolyte secondary batterySANYO ELECTRIC CO·Filed 2005·Granted Oct 14, 2008·11 cites·9 claims
- 1289US12416878B2Information storage system including a plurality of terminalsRICOH CO LTD·Filed 2023·Granted Sep 16, 2025·0 cites·15 claims
- 1389US9346337B2Air conditioning device for vehicleTAKAHASHI YASUFUMI·Filed 2012·Granted May 24, 2016·8 cites·13 claims
- 1488US10065824B2Stacking apparatusEDO YOUSUKE·Filed 2016·Granted Sep 4, 2018·5 cites·16 claims
- 1588US8843034B2Toner container, toner container frame, and image forming apparatus incorporating sameYAMANE MASAYUKI·Filed 2012·Granted Sep 23, 2014·5 cites·15 claims
- 1688US4737728ADigitally processed demodulator for quadrature modulated signalsHITACHI LTD·Filed 1987·Granted Apr 12, 1988·62 cites·4 claims
- 1786US9395659B2Image forming apparatusTANAKA SHINYA·Filed 2014·Granted Jul 19, 2016·4 cites·20 claims
- 1885US7962071B2Developing device and image forming apparatus using sameRICOH CO LTD·Filed 2008·Granted Jun 14, 2011·8 cites·19 claims
- 1984US11768448B2Information storage system including a plurality of terminalsRICOH CO LTD·Filed 2022·Granted Sep 26, 2023·0 cites·31 claims
- 2084US8660441B2Information storage device, removable device, developer container, and image forming apparatusTAKAHASHI YASUFUMI·Filed 2012·Granted Feb 25, 2014·1 cites·17 claims
- 2184US8177525B2Expander-integrated compressorTAKAHASHI YASUFUMI·Filed 2007·Granted May 15, 2012·8 cites·34 claims
- 2283US10725398B2Developer container having a cap with three portions of different diametersRICOH CO LTD·Filed 2019·Granted Jul 28, 2020·0 cites·20 claims
- 2383US9134656B2Image forming apparatusMIZUTANI TAKEHIDE·Filed 2014·Granted Sep 15, 2015·3 cites·14 claims
- 2483US9037042B2Image forming apparatusKATO YUJI·Filed 2013·Granted May 19, 2015·3 cites·19 claims
- 2583US7622223B2Nonaqueous electrolyte secondary batterySANYO ELECTRIC CO·Filed 2005·Granted Nov 24, 2009·4 cites·20 claims
- 2681US11429036B2Information storage system including a plurality of terminalsRICOH CO LTD·Filed 2020·Granted Aug 30, 2022·0 cites·43 claims
- 2781US11275327B2Information storage system including a plurality of terminalsRICOH CO LTD·Filed 2021·Granted Mar 15, 2022·0 cites·21 claims
- 2881US9599934B2Image forming apparatus having an angle adjuster for a tiltable support rollerHOZUMI YOSHIKI·Filed 2015·Granted Mar 21, 2017·2 cites·6 claims
- 2981US7608363B2Non-aqueous electrolyte secondary battery with vinylene carbonate and divinyl sulfone containing electrolyteSANYO ELECTRIC CO·Filed 2005·Granted Oct 27, 2009·4 cites·12 claims
- 3080US11637278B2Alkaline dry batteriesPANASONIC IP MAN CO LTD·Filed 2022·Granted Apr 25, 2023·0 cites·2 claims
- 3180US9274461B2Transfer device and image forming apparatus incorporating sameKATO TSUTOMU·Filed 2014·Granted Mar 1, 2016·3 cites·8 claims
- 3279US9256165B2Transfer device and image forming apparatus incorporating sameTAKAHASHI YASUFUMI·Filed 2014·Granted Feb 9, 2016·2 cites·17 claims
- 3379US9211778B2Vehicle air conditioning deviceTAKAHASHI YASUFUMI·Filed 2011·Granted Dec 15, 2015·4 cites·12 claims
- 3479US8186179B2Expander-compressor unitTAKAHASHI YASUFUMI·Filed 2007·Granted May 29, 2012·5 cites·28 claims
- 3578US10754275B2Apparatus 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
- 3678US9610822B2Air conditioning device for vehicleTAKAHASHI YASUFUMI·Filed 2012·Granted Apr 4, 2017·3 cites·12 claims
- 3777US11188007B2Developer 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
- 3877US8177532B2Expander and expander-compressor unitOKAICHI ATSUO·Filed 2007·Granted May 15, 2012·5 cites·16 claims
- 3977US7825446B2Semiconductor device, semiconductor wafer structure and method for manufacturing the semiconductor wafer structureFUJITSU SEMICONDUCTOR LTD·Filed 2008·Granted Nov 2, 2010·11 cites·20 claims
- 4075US9989887B2Apparatus 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
- 4175US9256158B2Apparatus 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
- 4275US8515296B2Developer supplying device, developing device, and image forming apparatusTAKAHASHI YASUFUMI·Filed 2010·Granted Aug 20, 2013·2 cites·12 claims
- 4374US9931905B2Air conditioning device for vehiclePANASONIC IP MAN CO LTD·Filed 2017·Granted Apr 3, 2018·1 cites·14 claims
- 4473US9110402B2Apparatus 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
- 4573US9104162B2Conveyor system and image forming apparatus including sameHOZUMI YOSHIKI·Filed 2014·Granted Aug 11, 2015·1 cites·5 claims
- 4673US8104307B2Expander-integrated compressor and refrigeration-cycle apparatus with the sameHASEGAWA HIROSHI·Filed 2007·Granted Jan 31, 2012·4 cites·16 claims
- 4773US8056361B2Multi-stage rotary-type fluid machine and refrigeration cycle apparatusMATSUI MASARU·Filed 2007·Granted Nov 15, 2011·4 cites·12 claims
- 4873US4856027ACarrier recovery phase-locked loopHITACHI LTD·Filed 1988·Granted Aug 8, 1989·40 cites·8 claims
- 4972US11322737B2Alkaline dry batteriesPANASONIC IP MAN CO LTD·Filed 2018·Granted May 3, 2022·0 cites·2 claims
- 5072US5073904ADigital signal processing type demodulation method and demodulation circuitHITACHI LTD·Filed 1989·Granted Dec 17, 1991·26 cites·9 claims
Showing the top 50 of 122 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →