Inventor · disambiguated record
Fumio Shimazu
Also filed as: SHIMAZU FUMIO
35 granted patents·4 pending applications·429 citations·filing 1990–2016
98Inventor score
Top patents by PatentIndex Score
39 records- 0188US5592270ADeveloping device in an electrophotographic apparatus capable of controlling a discharge of deteriorated developer and method of discharging deteriorated developerSHARP KK·Filed 1993·Granted Jan 7, 1997·38 cites·42 claims
- 0286US6108514ASheet conveying systemSHARP KK·Filed 1999·Granted Aug 22, 2000·39 cites·10 claims
- 0385US7257351B2Detaching/attaching mechanism and image forming deviceSHARP KK·Filed 2003·Granted Aug 14, 2007·25 cites·20 claims
- 0485US6134415ARoller/belt type multiple color image transfer apparatus including decreasing contact region widths between successive image support/transfer roller pairs and common power Supply for transfer means and charger meansSHARP KK·Filed 1998·Granted Oct 17, 2000·36 cites·6 claims
- 0584US8442420B2Intermediate transfer belt and electro-photographic image forming apparatus with intermediate transfer beltSHIMAZU FUMIO·Filed 2010·Granted May 14, 2013·4 cites·2 claims
- 0680US5799225AImage forming apparatus having variable transfer and attraction voltageSHARP KK·Filed 1995·Granted Aug 25, 1998·19 cites·9 claims
- 0779US6301023B1Image forming apparatusSHARP KK·Filed 1999·Granted Oct 9, 2001·28 cites·16 claims
- 0879US5812923AImage forming apparatus equipped with register rollers for curling transfer paperSHARP KK·Filed 1996·Granted Sep 22, 1998·25 cites·17 claims
- 0978US5084627ASheet detecting device for use in an image forming device for detecting presence or absence of a sheet, a right or wrong side of a sheet and the kind of sheetSHARP KK·Filed 1990·Granted Jan 28, 1992·37 cites·6 claims
- 1074US8666264B2Image forming apparatus and toner refilling method thereforSHIMAZU FUMIO·Filed 2011·Granted Mar 4, 2014·3 cites·8 claims
- 1173US6889027B2Multicolored image forming apparatus for forming multicolored and monochromatic imagesSHARP KK·Filed 2003·Granted May 3, 2005·13 cites·20 claims
- 1270US6002904AImage forming apparatus having light projecting unit for projecting light on image carrier prior to transfer of toner imageSHARP KK·Filed 1997·Granted Dec 14, 1999·21 cites·18 claims
- 1368US7302217B2Image forming apparatus and transfer apparatus employing endless beltSHARP KK·Filed 2005·Granted Nov 27, 2007·3 cites·13 claims
- 1467US7313338B2Image transfer deviceSHARP KK·Filed 2005·Granted Dec 25, 2007·3 cites·13 claims
- 1567US5623329ATransfer device for an image forming apparatusSHARP KK·Filed 1995·Granted Apr 22, 1997·16 cites·36 claims
- 1664US5745820AImage forming apparatus with a potential generating deviceSHARP KK·Filed 1996·Granted Apr 28, 1998·16 cites·40 claims
- 1761US6233422B1Image forming apparatus having transfer drum with transfer paper charging memberSHARP KK·Filed 1999·Granted May 15, 2001·8 cites·27 claims
- 1860US6876820B2Image forming apparatusSHARP KK·Filed 2004·Granted Apr 5, 2005·7 cites·16 claims
- 1959US5471283ADevice for preventing breakdown of contact charger for use in electrophotographic printing machineSHARP KK·Filed 1994·Granted Nov 28, 1995·12 cites·42 claims
- 2056US5697034AImage forming apparatus which stably holds a uniform surface potential of a transfer deviceSHARP KK·Filed 1996·Granted Dec 9, 1997·12 cites·30 claims
- 2154US7162178B2Transfer device and image forming apparatusSHARP KK·Filed 2004·Granted Jan 9, 2007·5 cites·11 claims
- 2250US6081685ATransfer apparatus having a transfer drumSHARP KK·Filed 1999·Granted Jun 27, 2000·9 cites·16 claims
- 2350US6026256AImage forming apparatusSHARP KK·Filed 1998·Granted Feb 15, 2000·5 cites·12 claims
- 2448US5459555AElectronic image forming apparatusSHARP KK·Filed 1993·Granted Oct 17, 1995·7 cites·8 claims
- 2547US6957022B2Image forming apparatusSHARP KK·Filed 2004·Granted Oct 18, 2005·3 cites·26 claims
- 2646US6259869B1Image forming apparatusSHARP KK·Filed 1998·Granted Jul 10, 2001·4 cites·9 claims
- 2746US6160972AImage forming apparatusSHARP KK·Filed 1999·Granted Dec 12, 2000·7 cites·16 claims
- 2839US6078772AImage-forming apparatusSHARP KK·Filed 1997·Granted Jun 20, 2000·5 cites·18 claims
- 2938US6081686AImage forming apparatus having transfer drum with specific constructionSHARP KK·Filed 1999·Granted Jun 27, 2000·2 cites·9 claims
- 3037US6097923AImage forming method and apparatusSHARP KK·Filed 1998·Granted Aug 1, 2000·4 cites·2 claims
- 3137US5317345AImage formation apparatus having erasing means responsive to operation statusSHARP KK·Filed 1991·Granted May 31, 1994·6 cites·1 claims
- 3235US5077575AImage forming apparatus equipped with a bucket for accommodating a photosensitive sheet cartridgeSHARP KK·Filed 1990·Granted Dec 31, 1991·4 cites·3 claims
- 3335US2017090365A1Print sheet creation methodCASIO COMPUTER CO LTD·Filed 2016·Application pending·0 cites
- 3435US2017090415A1Electrophotographic image forming apparatus and print sheet creation method using electrophotography technologyCASIO COMPUTER CO LTD·Filed 2016·Application pending·0 cites
- 3534US6169862B1Image forming apparatus with nip time changing deviceSHARP KK·Filed 1999·Granted Jan 2, 2001·1 cites·21 claims
- 3633US2017090327A1Image forming apparatus and image forming methodCASIO COMPUTER CO LTD·Filed 2016·Application pending·0 cites
- 3733US2004062577A1Image forming apparatus and transfer unitFiled 2003·Application pending·0 cites
- 3831US5598252AElectronic image forming apparatus with reduced residual carrier and toner attractionSHARP KK·Filed 1995·Granted Jan 28, 1997·2 cites·7 claims
- 3930US6118954AImage forming apparatus having transfer roller with charge-removing and cleaning devicesSHARP KK·Filed 1998·Granted Sep 12, 2000·0 cites·44 claims
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