Assignee
RISO KAGAKU CORP
JP·924 granted patents·120 pending applications·6,233 citations·filing 1976–2025
Top patents by PatentIndex Score
1,044 records- 0198US5188301ADisposal device for paper documentsRISO KAGAKU CORP·Filed 1992·Granted Feb 23, 1993·79 cites·2 claims
- 0297US9821568B2Nonaqueous inkjet printing methodRISO KAGAKU CORP·Filed 2016·Granted Nov 21, 2017·10 cites·15 claims
- 0397US9421780B2Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Aug 23, 2016·9 cites·15 claims
- 0497US6571700B2Method for making a heat-sensitive stencilRISO KAGAKU CORP·Filed 2001·Granted Jun 3, 2003·43 cites·3 claims
- 0597US6530519B1Image recording apparatusRISO KAGAKU CORP·Filed 2000·Granted Mar 11, 2003·102 cites·11 claims
- 0696US9845402B2Oil-based inkjet ink set and method for producing printed itemRISO KAGAKU CORP·Filed 2017·Granted Dec 19, 2017·11 cites·6 claims
- 0796US9365046B2Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Jun 14, 2016·8 cites·8 claims
- 0896US9327514B2Inkjet printing apparatusRISO KAGAKU CORP·Filed 2015·Granted May 3, 2016·9 cites·5 claims
- 0995US11397881B2Image processing apparatusRISO KAGAKU CORP·Filed 2021·Granted Jul 26, 2022·2 cites·13 claims
- 1095US9227420B1Inkjet printing apparatusRISO KAGAKU CORP·Filed 2015·Granted Jan 5, 2016·8 cites·4 claims
- 1195US7963625B2Printer providing temperature equalization for plural color inksRISO KAGAKU CORP·Filed 2008·Granted Jun 21, 2011·17 cites·9 claims
- 1294US9624394B2Inkjet printing process and non-aqueous ink setRISO KAGAKU CORP·Filed 2014·Granted Apr 18, 2017·10 cites·15 claims
- 1394US9272524B1Ink circulation type inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Mar 1, 2016·9 cites·2 claims
- 1494US8006976B2Paper feed systemRISO KAGAKU CORP·Filed 2008·Granted Aug 30, 2011·15 cites·12 claims
- 1593US9624402B2Non-aqueous inkjet printing methodRISO KAGAKU CORP·Filed 2014·Granted Apr 18, 2017·10 cites·15 claims
- 1693US8038784B2Non-aqueous pigment ink and non-aqueous pigment ink setRISO KAGAKU CORP·Filed 2009·Granted Oct 18, 2011·14 cites·5 claims
- 1793US6053495AMultiple feed detecting systemRISO KAGAKU CORP·Filed 1998·Granted Apr 25, 2000·58 cites·10 claims
- 1892US8864132B2Paper feeder and printerRISO KAGAKU CORP·Filed 2014·Granted Oct 21, 2014·12 cites·4 claims
- 1992US8366101B2Paper feeder with a pair of blowing unitsRISO KAGAKU CORP·Filed 2011·Granted Feb 5, 2013·11 cites·3 claims
- 2091US11629019B2Medium feeding apparatusRISO KAGAKU CORP·Filed 2021·Granted Apr 18, 2023·2 cites·19 claims
- 2191US10865320B2Oil-based inkjet inkRISO KAGAKU CORP·Filed 2018·Granted Dec 15, 2020·3 cites·8 claims
- 2291US9016843B2Inkjet printerRISO KAGAKU CORP·Filed 2014·Granted Apr 28, 2015·6 cites·2 claims
- 2391USD533899SHub for a printing paper rollRISO KAGAKU CORP·Filed 2004·Granted Dec 19, 2006·49 cites·1 claims
- 2491US6390428B1Tube core and holders for stencil sheet rollRISO KAGAKU CORP·Filed 2000·Granted May 21, 2002·30 cites·4 claims
- 2591US5404805APaper ejection device for a stencil printing deviceRISO KAGAKU CORP·Filed 1994·Granted Apr 11, 1995·46 cites·7 claims
- 2691US5354001ADisposal device for reading, storing information from, and shredding paper documentsRISO KAGAKU CORP·Filed 1992·Granted Oct 11, 1994·50 cites·3 claims
- 2791US4911069ARotary stencil printer having printing drum having outer peripheral wall portion substantially made of only net materialRISO KAGAKU CORP·Filed 1989·Granted Mar 27, 1990·35 cites·3 claims
- 2890US10150881B2Aqueous inkjet ink set for textile printing and method for producing printed textile itemRISO KAGAKU CORP·Filed 2017·Granted Dec 11, 2018·4 cites·12 claims
- 2990US9951468B2Aqueous inkjet ink set for textile printing and method for producing printed itemRISO KAGAKU CORP·Filed 2017·Granted Apr 24, 2018·4 cites·8 claims
- 3090US9827775B2Ink cartridgeRISO KAGAKU CORP·Filed 2017·Granted Nov 28, 2017·7 cites·6 claims
- 3190US8820891B2Inkjet printing apparatusRISO KAGAKU CORP·Filed 2013·Granted Sep 2, 2014·6 cites·6 claims
- 3290US7288144B2Non-aqueous ink-jet ink compositionRISO KAGAKU CORP·Filed 2005·Granted Oct 30, 2007·11 cites·1 claims
- 3390US5979326ACollapsible ink container having disk shaped handle and ink supply source device encasing the container for printersRISO KAGAKU CORP·Filed 1997·Granted Nov 9, 1999·72 cites·11 claims
- 3488US9475304B2Inkjet printing device and method for regulating ink circulationRISO KAGAKU CORP·Filed 2015·Granted Oct 25, 2016·4 cites·4 claims
- 3588US9409430B2Inkjet printerRISO KAGAKU CORP·Filed 2015·Granted Aug 9, 2016·5 cites·1 claims
- 3688US9327530B1Printer with duplex printing functionRISO KAGAKU CORP·Filed 2015·Granted May 3, 2016·3 cites·2 claims
- 3788US9067424B1Ink cartridge and mount/demount mechanism for the sameRISO KAGAKU CORP·Filed 2014·Granted Jun 30, 2015·24 cites·8 claims
- 3888US8038144B2Image forming apparatusRISO KAGAKU CORP·Filed 2010·Granted Oct 18, 2011·7 cites·7 claims
- 3988US5476043AMethod and device for post-processing a printed image in a printing deviceRISO KAGAKU CORP·Filed 1994·Granted Dec 19, 1995·45 cites·20 claims
- 4088US4628813AStencil duplicator providing automatic stencil performation, charging, printing, and disposalRISO KAGAKU CORP·Filed 1985·Granted Dec 16, 1986·66 cites·2 claims
- 4188US4406530AReflecting type overhead projector with automatically variable safety illuminationRISO KAGAKU CORP·Filed 1982·Granted Sep 27, 1983·23 cites·7 claims
- 4287US10995230B2Aqueous pigment ink for textile inkjet printing, method for producing printed textile item, and ink setRISO KAGAKU CORP·Filed 2018·Granted May 4, 2021·2 cites·18 claims
- 4387US10179448B2Inkjet printing machineRISO KAGAKU CORP·Filed 2017·Granted Jan 15, 2019·3 cites·1 claims
- 4487US9796547B2Conveyance control deviceRISO KAGAKU CORP·Filed 2017·Granted Oct 24, 2017·5 cites·1 claims
- 4587US9498971B2Inkjet printing deviceRISO KAGAKU CORP·Filed 2015·Granted Nov 22, 2016·4 cites·4 claims
- 4687US9248990B2Sheet ejection trayRISO KAGAKU CORP·Filed 2013·Granted Feb 2, 2016·5 cites·18 claims
- 4787US8919907B1Inkjet printing apparatusRISO KAGAKU CORP·Filed 2014·Granted Dec 30, 2014·4 cites·2 claims
- 4887US8840217B2Sheet supply deviceRISO KAGAKU CORP·Filed 2013·Granted Sep 23, 2014·7 cites·3 claims
- 4987US8376355B2Sheet discharge deviceRISO KAGAKU CORP·Filed 2012·Granted Feb 19, 2013·5 cites·5 claims
- 5087US5880214AEmulsion inks for stencil printingRISO KAGAKU CORP·Filed 1997·Granted Mar 9, 1999·51 cites·8 claims
Showing the top 50 of 1,044 patent records by PatentIndex Score.
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