Assignee
RICOH CO LTD
JP·3,198 granted patents·241 pending applications·13,963 citations·filing 1975–2025
Top patents by PatentIndex Score
3,439 records- 0199US8005406B2Developer container, developer supplying device, and image forming apparatusRICOH CO LTD·Filed 2010·Granted Aug 23, 2011·60 cites·18 claims
- 0299US7919544B2Ink-media set, ink composition, ink cartridge, inkjet recording method, inkjet recording apparatus, and ink recorded matterRICOH CO LTD·Filed 2007·Granted Apr 5, 2011·80 cites·9 claims
- 0399USD628584SDisplay screen with iconRICOH CO LTD·Filed 2009·Granted Dec 7, 2010·177 cites·1 claims
- 0499US7835673B2Developer container, developer supplying device, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Nov 16, 2010·58 cites·28 claims
- 0598US11724514B2Liquid discharging head, liquid discharging unit, and device for discharging liquidRICOH CO LTD·Filed 2022·Granted Aug 15, 2023·2 cites·23 claims
- 0698US11261043B2Sheet processing device, sheet laminator, image forming apparatus, and image forming systemRICOH CO LTD·Filed 2021·Granted Mar 1, 2022·6 cites·10 claims
- 0798US10549523B2Ink deposition curve computation mechanismRICOH CO LTD·Filed 2018·Granted Feb 4, 2020·18 cites·20 claims
- 0898US8346105B2Information storage device, removable device, developer container, and image forming apparatusRICOH CO LTD·Filed 2012·Granted Jan 1, 2013·15 cites·20 claims
- 0998US7991334B2Toner container and image forming apparatusRICOH CO LTD·Filed 2010·Granted Aug 2, 2011·52 cites·20 claims
- 1098US7986431B2Information processing apparatus, information processing method, and computer program productRICOH CO LTD·Filed 2006·Granted Jul 26, 2011·358 cites·12 claims
- 1198US7977408B2Recording ink, ink set, ink cartridge, ink record, inkjet recording apparatus and inkjet recording methodRICOH CO LTD·Filed 2006·Granted Jul 12, 2011·42 cites·18 claims
- 1298US7957663B2Heater, fixing unit and image forming apparatusRICOH CO LTD·Filed 2010·Granted Jun 7, 2011·23 cites·17 claims
- 1398US7925177B2Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the sameRICOH CO LTD·Filed 2005·Granted Apr 12, 2011·37 cites·36 claims
- 1498US7853184B2Toner container and image forming apparatusRICOH CO LTD·Filed 2006·Granted Dec 14, 2010·62 cites·34 claims
- 1598USD388070SPortion of a screen of a programmed computer systemRICOH CO LTD·Filed 1993·Granted Dec 23, 1997·84 cites·1 claims
- 1698USD387047SPortion of a screen of a programmed computer systemRICOH CO LTD·Filed 1993·Granted Dec 2, 1997·100 cites·1 claims
- 1797US11926931B2Resin powder for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication objectRICOH CO LTD·Filed 2021·Granted Mar 12, 2024·2 cites·19 claims
- 1897US11385588B2Sheet laminator, image forming apparatus, and image forming systemRICOH CO LTD·Filed 2021·Granted Jul 12, 2022·8 cites·9 claims
- 1997US11292240B2Sheet processing device, sheet laminator, image forming apparatus, and image forming systemRICOH CO LTD·Filed 2021·Granted Apr 5, 2022·5 cites·19 claims
- 2097USD781897SDisplay screen with transitional graphical user interfaceRICOH CO LTD·Filed 2015·Granted Mar 21, 2017·96 cites·1 claims
- 2197US9581937B2Powder container and image forming apparatusRICOH CO LTD·Filed 2016·Granted Feb 28, 2017·11 cites·15 claims
- 2297US8050593B2Image forming apparatus including a mechanism for reliably mounting a process unitRICOH CO LTD·Filed 2008·Granted Nov 1, 2011·34 cites·12 claims
- 2397US8037521B2Information processing apparatus allowing multiple loginsRICOH CO LTD·Filed 2005·Granted Oct 11, 2011·99 cites·9 claims
- 2497US8019254B2Toner conveying device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2007·Granted Sep 13, 2011·32 cites·11 claims
- 2597US8014711B2Fixing unit having enhanced temperature control and image forming apparatus using the sameRICOH CO LTD·Filed 2007·Granted Sep 6, 2011·34 cites·33 claims
- 2697US8006205B2Semiconductor device layout method, a computer program, and a semiconductor device manufacture methodRICOH CO LTD·Filed 2007·Granted Aug 23, 2011·63 cites·10 claims
- 2797US7991778B2Triggering actions with captured input in a mixed media environmentRICOH CO LTD·Filed 2006·Granted Aug 2, 2011·48 cites·48 claims
- 2897US7912392B2Image forming apparatus with glossy image printing modeRICOH CO LTD·Filed 2008·Granted Mar 22, 2011·31 cites·18 claims
- 2997US7892340B2Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatusRICOH CO LTD·Filed 2008·Granted Feb 22, 2011·29 cites·5 claims
- 3097US7885590B2Image forming apparatus and fixing deviceRICOH CO LTD·Filed 2007·Granted Feb 8, 2011·29 cites·20 claims
- 3197US7885569B2Heater, fixing unit and image forming apparatus operable with a main and auxiliary power supply unitRICOH CO LTD·Filed 2009·Granted Feb 8, 2011·26 cites·28 claims
- 3297US7840151B2Heating device, fixing apparatus, and image forming systemRICOH CO LTD·Filed 2008·Granted Nov 23, 2010·27 cites·14 claims
- 3397USD391249SPortion of a computer screen with an iconRICOH CO LTD·Filed 1993·Granted Feb 24, 1998·70 cites·1 claims
- 3497USD388072SPortion of a screen of a programmed computer system or programmed facsimile machineRICOH CO LTD·Filed 1993·Granted Dec 23, 1997·68 cites·1 claims
- 3597USD387045SPortion of a screen of a programmed computer system or programmed facsimile machineRICOH CO LTD·Filed 1993·Granted Dec 2, 1997·77 cites·1 claims
- 3696US12361850B2Information provision device, information provision method, and recording medium storing information provision program for a vehicle displayRICOH CO LTD·Filed 2024·Granted Jul 15, 2025·5 cites·11 claims
- 3796US11633958B2Liquid discharge apparatusRICOH CO LTD·Filed 2021·Granted Apr 25, 2023·5 cites·14 claims
- 3896US11584606B2Sheet processing device, sheet laminator, image forming apparatus, and image forming systemRICOH CO LTD·Filed 2021·Granted Feb 21, 2023·4 cites·17 claims
- 3996US11500323B2Sheet processing apparatus, laminator, image forming apparatus, and image forming systemRICOH CO LTD·Filed 2021·Granted Nov 15, 2022·5 cites·12 claims
- 4096US11269280B2Sheet processing device, laminator, image forming apparatus, and image forming systemRICOH CO LTD·Filed 2021·Granted Mar 8, 2022·3 cites·10 claims
- 4196US11215445B2Optical apparatus and distance measuring systemRICOH CO LTD·Filed 2020·Granted Jan 4, 2022·5 cites·10 claims
- 4296US10477147B2Transmission terminal, transmission method, and computer-readable recording medium storing transmission programRICOH CO LTD·Filed 2018·Granted Nov 12, 2019·6 cites·13 claims
- 4396US9747538B2Low power radio frequency communicationRICOH CO LTD·Filed 2013·Granted Aug 29, 2017·37 cites·20 claims
- 4496US9736371B2Image management system, image management method, and computer program productRICOH CO LTD·Filed 2016·Granted Aug 15, 2017·14 cites·3 claims
- 4596US8044114B2Ink for recording, and ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method using the sameRICOH CO LTD·Filed 2006·Granted Oct 25, 2011·21 cites·13 claims
- 4696US8023842B2Methods and apparatus for adjusting printing device power consumption based on usage dataRICOH CO LTD·Filed 2010·Granted Sep 20, 2011·11 cites·20 claims
- 4796US8010026B2Image forming system and method of detecting color misregistrationRICOH CO LTD·Filed 2007·Granted Aug 30, 2011·27 cites·16 claims
- 4896US7995275B2Polarization conversion element, polarization conversion optical system and image projecting apparatusRICOH CO LTD·Filed 2006·Granted Aug 9, 2011·62 cites·1 claims
- 4996US7985711B2Thermosensitive recording material and recording method using the sameRICOH CO LTD·Filed 2008·Granted Jul 26, 2011·31 cites·12 claims
- 5096US7920187B2Image pickup device that identifies portions of a faceRICOH CO LTD·Filed 2007·Granted Apr 5, 2011·31 cites·10 claims
Showing the top 50 of 3,439 patent records by PatentIndex Score.
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