Assignee
RICOH KK
12,048 granted patents·255 pending applications·326,206 citations·filing 1972–2010
Top patents by PatentIndex Score
12,303 records- 0199US7801457B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2008·Granted Sep 21, 2010·65 cites·17 claims
- 0299US7783240B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2008·Granted Aug 24, 2010·65 cites·18 claims
- 0399USD622286SPortion of liquid crystal panel with icon imageRICOH KK·Filed 2009·Granted Aug 24, 2010·748 cites·1 claims
- 0499US7720417B2Toner container and image forming apparatusRICOH KK·Filed 2006·Granted May 18, 2010·36 cites·21 claims
- 0599US7702271B2Fixing device, and image forming apparatus using the fixing deviceRICOH KK·Filed 2008·Granted Apr 20, 2010·61 cites·35 claims
- 0699US7697870B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2009·Granted Apr 13, 2010·54 cites·26 claims
- 0799US7606444B1Multimodal access of meeting recordingsRICOH KK·Filed 2007·Granted Oct 20, 2009·284 cites·4 claims
- 0899US7603054B2Image forming apparatus, powder supplying unit, toner container, powder container, and method of recycling the powder containerRICOH KK·Filed 2009·Granted Oct 13, 2009·57 cites·13 claims
- 0999US7593674B2Body member of a powder containerRICOH KK·Filed 2007·Granted Sep 22, 2009·60 cites·32 claims
- 1099US7590374B2Conveyor device and image forming apparatusRICOH KK·Filed 2007·Granted Sep 15, 2009·63 cites·29 claims
- 1199US7554576B2Information capture and recording system for controlling capture devicesRICOH KK·Filed 2005·Granted Jun 30, 2009·105 cites·38 claims
- 1299US7536139B2Powder container for use in an image forming apparatus having an opening which faces horizontallyRICOH KK·Filed 2007·Granted May 19, 2009·60 cites·25 claims
- 1399US7519317B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2007·Granted Apr 14, 2009·72 cites·25 claims
- 1499US7515850B2Sheet conveying apparatus and image forming apparatusRICOH KK·Filed 2006·Granted Apr 7, 2009·54 cites·18 claims
- 1599US7480476B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2007·Granted Jan 20, 2009·115 cites·20 claims
- 1699US7466949B2Fixing device having a separation plateRICOH KK·Filed 2005·Granted Dec 16, 2008·61 cites·9 claims
- 1799US7454151B2Image forming apparatus, fixing unit having a selectively controlled power supply and associated methodologyRICOH KK·Filed 2005·Granted Nov 18, 2008·66 cites·12 claims
- 1899US7450891B2Developer container for an image forming apparatusRICOH KK·Filed 2005·Granted Nov 11, 2008·58 cites·35 claims
- 1999US7437111B2Fixing device, and image forming apparatus using the fixing deviceRICOH KK·Filed 2005·Granted Oct 14, 2008·73 cites·35 claims
- 2099US7416177B2Sheet folding apparatus, sheet processing apparatus and image forming apparatusRICOH KK·Filed 2005·Granted Aug 26, 2008·60 cites·21 claims
- 2199US7374851B2Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming methodRICOH KK·Filed 2006·Granted May 20, 2008·67 cites·25 claims
- 2299US7330682B2Apparatus capable of applying a high fixing-nip pressure which is easily released when a recording sheet is stuck in a fixing mechanismRICOH KK·Filed 2005·Granted Feb 12, 2008·56 cites·9 claims
- 2399US7321744B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2004·Granted Jan 22, 2008·111 cites·49 claims
- 2499US7318989B2Toner, developer, toner container, process cartridge, image forming apparatus, and image forming methodRICOH KK·Filed 2006·Granted Jan 15, 2008·71 cites·14 claims
- 2599US7300052B2Sheet-shaped medium processing apparatusRICOH KK·Filed 2005·Granted Nov 27, 2007·42 cites·18 claims
- 2699US7277664B2Image forming device, powder feeding device, toner storage container, powder storage container, and method of recycling the containersRICOH KK·Filed 2003·Granted Oct 2, 2007·104 cites·44 claims
- 2799US7242897B2Image forming apparatus, roller, belt, and fixing unit of image forming apparatusRICOH KK·Filed 2005·Granted Jul 10, 2007·86 cites·22 claims
- 2899US7218432B2Optical scanning apparatus and image forming apparatusRICOH KK·Filed 2006·Granted May 15, 2007·97 cites·8 claims
- 2999US7207556B2Sheet finisher having an angularly movable stapler and image forming system including the sameRICOH KK·Filed 2003·Granted Apr 24, 2007·1.5k cites·20 claims
- 3099US7085522B2Developer container for an image forming apparatusRICOH KK·Filed 2005·Granted Aug 1, 2006·45 cites·29 claims
- 3199US7072602B2Image forming apparatus and image forming unitRICOH KK·Filed 2004·Granted Jul 4, 2006·122 cites·20 claims
- 3299US7065313B2Developer container, developer replenishing device using the same and image forming apparatus including the sameRICOH KK·Filed 2005·Granted Jun 20, 2006·58 cites·18 claims
- 3399US7048388B2Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatusRICOH KK·Filed 2004·Granted May 23, 2006·140 cites·24 claims
- 3499US7015894B2Information input and output system, method, storage medium, and carrier waveRICOH KK·Filed 2002·Granted Mar 21, 2006·1.9k cites·13 claims
- 3599US6905118B2Sheet finisher and image forming system using the sameRICOH KK·Filed 2003·Granted Jun 14, 2005·127 cites·172 claims
- 3699US6848685B2PrinterRICOH KK·Filed 2002·Granted Feb 1, 2005·140 cites·40 claims
- 3799US6833848B1Game console based digital photo albumRICOH KK·Filed 2000·Granted Dec 21, 2004·207 cites·20 claims
- 3899US6803604B2Semiconductor optical modulator, an optical amplifier and an integrated semiconductor light-emitting deviceRICOH KK·Filed 2002·Granted Oct 12, 2004·129 cites·6 claims
- 3999US6804659B1Content based web advertisingRICOH KK·Filed 2000·Granted Oct 12, 2004·641 cites·16 claims
- 4099US6698744B2Sheet finisher for an image forming apparatusRICOH KK·Filed 2002·Granted Mar 2, 2004·140 cites·36 claims
- 4199US6693652B1System and method for automatic generation of visual representations and links in a hierarchical messaging systemRICOH KK·Filed 2000·Granted Feb 17, 2004·288 cites·19 claims
- 4299US6674785B2Vertical-cavity, surface-emission type laser diode and fabrication process thereofRICOH KK·Filed 2001·Granted Jan 6, 2004·99 cites·17 claims
- 4399US6665508B2Toner container and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Dec 16, 2003·117 cites·39 claims
- 4499US6660443B2Dry toner and image forming method using sameRICOH KK·Filed 2002·Granted Dec 9, 2003·138 cites·35 claims
- 4599US6628915B2Developer container for an image forming apparatusRICOH KK·Filed 2002·Granted Sep 30, 2003·120 cites·7 claims
- 4699US6628908B2Toner supply unit and image forming apparatusRICOH KK·Filed 2001·Granted Sep 30, 2003·175 cites·19 claims
- 4799US6614821B1Laser diode and semiconductor light-emitting device producing visible-wavelength radiationRICOH KK·Filed 2000·Granted Sep 2, 2003·129 cites·5 claims
- 4899US6591077B2Image forming apparatus and toner container thereforRICOH KK·Filed 2001·Granted Jul 8, 2003·143 cites·24 claims
- 4999US6581092B1Method and system for remote diagnostic, control and information collection based on various communication modes for sending messages to usersRICOH KK·Filed 1999·Granted Jun 17, 2003·461 cites·47 claims
- 5099US6579826B2Reversible thermosensitive recording medium and image forming and erasing method using the recording mediumRICOH KK·Filed 2001·Granted Jun 17, 2003·122 cites·26 claims
Showing the top 50 of 12,303 patent records by PatentIndex Score.
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