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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →