Inventor · disambiguated record
Ayumu Murakami
Also filed as: MURAKAMI AYUMU
32 granted patents·2 pending applications·776 citations·filing 1998–2024
97Inventor score
Top patents by PatentIndex Score
34 records- 0198US7386250B2Toner supply container and electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Jun 10, 2008·35 cites·1 claims
- 0298US6266505B1Toner supply container and electrophotographic image forming apparatusCANON KK·Filed 1998·Granted Jul 24, 2001·113 cites·34 claims
- 0398US6128453AToner supply container detachably mountable to a main assembly of an electrophotographic image forming apparatus and a sealing member usable with the toner supply containerCANON KK·Filed 1998·Granted Oct 3, 2000·126 cites·47 claims
- 0496US6049685AToner supply container detachably mountable to a main assembly of an image forming apparatusCANON KK·Filed 1998·Granted Apr 11, 2000·94 cites·18 claims
- 0595US6259874B1Toner accommodating container part, toner supply container and electrophotographic image forming apparatusCANON KK·Filed 1998·Granted Jul 10, 2001·85 cites·49 claims
- 0694US7515312B2Image scanning device and image forming deviceCANON KK·Filed 2005·Granted Apr 7, 2009·21 cites·11 claims
- 0794US6968139B2Toner supply container and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Nov 22, 2005·41 cites·27 claims
- 0894US6594458B2Toner supply container and electrophotographic image forming apparatusCANON KK·Filed 2001·Granted Jul 15, 2003·38 cites·42 claims
- 0993US6792228B2Toner supply container and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Sep 14, 2004·30 cites·25 claims
- 1092US6978101B2Toner supply container detachably mounted to an image forming apparatus including a coupling projectionCANON KK·Filed 2004·Granted Dec 20, 2005·31 cites·14 claims
- 1192US6853828B2Toner supply container and electrophotographic image forming apparatusCANON KK·Filed 2001·Granted Feb 8, 2005·32 cites·16 claims
- 1291US7463392B2Image reader and image forming apparatusCANON KK·Filed 2006·Granted Dec 9, 2008·16 cites·6 claims
- 1390US8064105B2Image scanning device and image forming deviceMURAKAMI AYUMU·Filed 2009·Granted Nov 22, 2011·14 cites·11 claims
- 1490US7755812B2Image reading apparatus, and image expansion and contraction correcting methodCANON KK·Filed 2006·Granted Jul 13, 2010·15 cites·3 claims
- 1588US8837017B2Image reading apparatusMURAKAMI AYUMU·Filed 2011·Granted Sep 16, 2014·9 cites·3 claims
- 1687USRE38737EToner supply container detachably mountable to a main assembly of an electrographic image forming apparatus and a sealing member usable with the toner supply containerCANON KK·Filed 2002·Granted May 24, 2005·23 cites·94 claims
- 1781US8982432B2Original reading apparatus for reading image of an originalCANON KK·Filed 2013·Granted Mar 17, 2015·3 cites·16 claims
- 1879US8422073B2Image forming apparatusMURAKAMI AYUMU·Filed 2009·Granted Apr 16, 2013·7 cites·7 claims
- 1978US7548351B2Image reading device and image forming apparatusCANON KK·Filed 2006·Granted Jun 16, 2009·5 cites·8 claims
- 2077US8020861B2Sheet conveyance device and image forming apparatusCANON KK·Filed 2007·Granted Sep 20, 2011·6 cites·4 claims
- 2174US8149473B2Image reading apparatusOSHIDA HARUHISA·Filed 2005·Granted Apr 3, 2012·6 cites·21 claims
- 2273US7577392B2Image reading apparatus and image forming apparatus provided with the sameCANON KK·Filed 2005·Granted Aug 18, 2009·4 cites·9 claims
- 2372US9253358B2Light guide unit that guides light in an original document reading apparatusCANON KK·Filed 2013·Granted Feb 2, 2016·2 cites·11 claims
- 2472US8020862B2Sheet conveyance device, image forming apparatus and image reading apparatusCANON KK·Filed 2007·Granted Sep 20, 2011·4 cites·7 claims
- 2570US8172226B2Sheet conveyance device and image forming apparatusMURAKAMI AYUMU·Filed 2007·Granted May 8, 2012·4 cites·10 claims
- 2668US9277072B2Original reading apparatus for reading image of an originalCANON KK·Filed 2015·Granted Mar 1, 2016·1 cites·11 claims
- 2767US11064299B2MEMS structure, capacitive sensor, piezoelectric sensor, acoustic sensor having mems structureOMRON TATEISI ELECTRONICS CO·Filed 2017·Granted Jul 13, 2021·1 cites·12 claims
- 2866US8014045B2Image scanner with image scanning device positioningCANON KK·Filed 2005·Granted Sep 6, 2011·2 cites·7 claims
- 2961US7847983B2Image reading apparatusCANON KK·Filed 2003·Granted Dec 7, 2010·4 cites·7 claims
- 3058US6591078B2Toner supply container and electrophotographic image forming apparatusCANON KK·Filed 2001·Granted Jul 8, 2003·4 cites·5 claims
- 3156US2025133319A1Acoustic transducerMURAKAMI AYUMU·Filed 2024·Application pending·0 cites
- 3255US9584691B2Original reading apparatus for reading image of an originalCANON KK·Filed 2016·Granted Feb 28, 2017·0 cites·11 claims
- 3350US2008304117A1Image reading apparatusCANON KK·Filed 2008·Application pending·0 cites
- 3447US7623275B2Image-reading apparatusCANON KK·Filed 2005·Granted Nov 24, 2009·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →