Assignee
RICOH PRINTING SYS LTD
JP·124 granted patents·3 pending applications·889 citations·filing 1999–2009
Top patents by PatentIndex Score
127 records- 0195US7458570B2Sheet-supplying deviceRICOH PRINTING SYS LTD·Filed 2005·Granted Dec 2, 2008·19 cites·17 claims
- 0295US7298981B2Fixing device and image forming apparatus with guide having adjustable biasing angleRICOH PRINTING SYS LTD·Filed 2005·Granted Nov 20, 2007·23 cites·11 claims
- 0391US7167670B2Electro-photographic apparatus with a heating roller and pressurizing memberRICOH PRINTING SYS LTD·Filed 2005·Granted Jan 23, 2007·14 cites·3 claims
- 0488US7466946B2Developing unit and image forming apparatusRICOH PRINTING SYS LTD·Filed 2006·Granted Dec 16, 2008·12 cites·6 claims
- 0588US7434913B2Inkjet head, method for producing inkjet head, inkjet recorder and inkjet coaterRICOH PRINTING SYS LTD·Filed 2005·Granted Oct 14, 2008·12 cites·8 claims
- 0688US6969206B2Tension generating mechanism for a printing apparatusRICOH PRINTING SYS LTD·Filed 2003·Granted Nov 29, 2005·30 cites·8 claims
- 0787US7494210B2Inkjet recording head having dynamic vibration absorberRICOH PRINTING SYS LTD·Filed 2005·Granted Feb 24, 2009·10 cites·15 claims
- 0886US6993275B2Image position detecting methodRICOH PRINTING SYS LTD·Filed 2004·Granted Jan 31, 2006·26 cites·17 claims
- 0985US7549716B2Method of ejecting microdroplets of inkRICOH PRINTING SYS LTD·Filed 2006·Granted Jun 23, 2009·8 cites·12 claims
- 1085US7478898B2Recording head for inkjet recording deviceRICOH PRINTING SYS LTD·Filed 2005·Granted Jan 20, 2009·8 cites·20 claims
- 1185US7396096B2Inkjet recording deviceRICOH PRINTING SYS LTD·Filed 2005·Granted Jul 8, 2008·8 cites·10 claims
- 1284US7343110B2Color image forming device having a temperature detectorRICOH PRINTING SYS LTD·Filed 2005·Granted Mar 11, 2008·8 cites·11 claims
- 1384US7104773B2Three-dimensional laminating molding deviceRICOH PRINTING SYS LTD·Filed 2004·Granted Sep 12, 2006·20 cites·10 claims
- 1483US7744197B2Method for manufacturing inkjet recording head of inkjet recording deviceRICOH PRINTING SYS LTD·Filed 2006·Granted Jun 29, 2010·7 cites·10 claims
- 1583US7450883B2Film loader for an image forming apparatusRICOH PRINTING SYS LTD·Filed 2007·Granted Nov 11, 2008·5 cites·21 claims
- 1683US7406287B2Fixing device and image forming apparatus provided with fixing deviceRICOH PRINTING SYS LTD·Filed 2007·Granted Jul 29, 2008·8 cites·12 claims
- 1782US7369284B1Image signal processing method, image signal processing device, and image signal processing systemRICOH PRINTING SYS LTD·Filed 2000·Granted May 6, 2008·24 cites·3 claims
- 1882US7063472B2Sheet skew correcting apparatus and image forming apparatusRICOH PRINTING SYS LTD·Filed 2002·Granted Jun 20, 2006·22 cites·31 claims
- 1981US7651197B2Method of manufacturing an inkjet head through the anodic bonding of silicon membersRICOH PRINTING SYS LTD·Filed 2005·Granted Jan 26, 2010·5 cites·5 claims
- 2081US7130076B2Image output device and test chart for the sameRICOH PRINTING SYS LTD·Filed 2001·Granted Oct 31, 2006·24 cites·40 claims
- 2180US7463849B2Image forming apparatus including static pre-eliminatorRICOH PRINTING SYS LTD·Filed 2006·Granted Dec 9, 2008·6 cites·5 claims
- 2280US7142803B2Fixing device and image forming apparatusRICOH PRINTING SYS LTD·Filed 2004·Granted Nov 28, 2006·20 cites·20 claims
- 2379US7582495B2Inkjet head, method for producing inkjet head, inkjet recorder and inkjet coaterRICOH PRINTING SYS LTD·Filed 2008·Granted Sep 1, 2009·5 cites·8 claims
- 2479US7215896B2Image forming apparatus and method of detecting the detection characteristics of a reflection density sensorRICOH PRINTING SYS LTD·Filed 2004·Granted May 8, 2007·19 cites·8 claims
- 2579USD529951SPrinterRICOH PRINTING SYS LTD·Filed 2005·Granted Oct 10, 2006·25 cites·1 claims
- 2678US7490826B2Sheet feed apparatusRICOH PRINTING SYS LTD·Filed 2006·Granted Feb 17, 2009·6 cites·11 claims
- 2778US7477813B2Multi-beam light source, method for manufacturing the same, light scanning unit using the same, and image forming apparatus using the sameRICOH PRINTING SYS LTD·Filed 2007·Granted Jan 13, 2009·9 cites·8 claims
- 2878US7459252B2Electrophotographic tonerRICOH PRINTING SYS LTD·Filed 2007·Granted Dec 2, 2008·4 cites·17 claims
- 2978US7369786B2Sheet transporting apparatus and printing apparatusRICOH PRINTING SYS LTD·Filed 2006·Granted May 6, 2008·7 cites·3 claims
- 3077US7142794B2Image forming apparatusRICOH PRINTING SYS LTD·Filed 2005·Granted Nov 28, 2006·5 cites·16 claims
- 3176US7648734B2Apparatus for forming thin film and method for forming the sameRICOH PRINTING SYS LTD·Filed 2005·Granted Jan 19, 2010·4 cites·17 claims
- 3276US7336383B2Printer system, and printing system using the printer system, for centralized printer managementRICOH PRINTING SYS LTD·Filed 2003·Granted Feb 26, 2008·18 cites·4 claims
- 3376US7092117B2Print systemRICOH PRINTING SYS LTD·Filed 2001·Granted Aug 15, 2006·24 cites·20 claims
- 3476US7003241B1Image recording device and an image recording systemRICOH PRINTING SYS LTD·Filed 1999·Granted Feb 21, 2006·35 cites·22 claims
- 3576US6928257B2Image forming and recording apparatus with three pressure membersRICOH PRINTING SYS LTD·Filed 2003·Granted Aug 9, 2005·16 cites·10 claims
- 3675US7887151B2Method for adjusting uniformity of liquid ejection from a liquid ejection headRICOH PRINTING SYS LTD·Filed 2008·Granted Feb 15, 2011·4 cites·10 claims
- 3775US7588244B2Sheet feeder with optical sensorRICOH PRINTING SYS LTD·Filed 2006·Granted Sep 15, 2009·6 cites·19 claims
- 3875US7424251B2Film driving apparatus and image forming apparatus using the sameRICOH PRINTING SYS LTD·Filed 2006·Granted Sep 9, 2008·4 cites·6 claims
- 3975US7295794B2Film loader for an image forming apparatusRICOH PRINTING SYS LTD·Filed 2006·Granted Nov 13, 2007·3 cites·3 claims
- 4075US7290873B2Ink jet recording methodRICOH PRINTING SYS LTD·Filed 2005·Granted Nov 6, 2007·2 cites·9 claims
- 4175US7232206B2Ink-jet head, ink-jet printer using the same, and process for producing ink-jet headRICOH PRINTING SYS LTD·Filed 2004·Granted Jun 19, 2007·15 cites·19 claims
- 4274US7477867B2Fixing device having cleaner and temperature detectorRICOH PRINTING SYS LTD·Filed 2005·Granted Jan 13, 2009·4 cites·17 claims
- 4374US7347629B2Semiconductor laser module for optical scannerRICOH PRINTING SYS LTD·Filed 2006·Granted Mar 25, 2008·7 cites·23 claims
- 4472US6895211B2Electrophotographic apparatusRICOH PRINTING SYS LTD·Filed 2003·Granted May 17, 2005·13 cites·13 claims
- 4571US7433075B2Method and image forming apparatus, and printing system for recording invisible information recordingRICOH PRINTING SYS LTD·Filed 2001·Granted Oct 7, 2008·18 cites·23 claims
- 4670US7651203B2Inkjet recording device, ejecting device provided therein, and method of calibrating ejection characteristic for dropletRICOH PRINTING SYS LTD·Filed 2006·Granted Jan 26, 2010·3 cites·17 claims
- 4770US7570904B2Image forming apparatusRICOH PRINTING SYS LTD·Filed 2005·Granted Aug 4, 2009·3 cites·20 claims
- 4870US7339603B2Exposure device for an electrophotographic apparatusRICOH PRINTING SYS LTD·Filed 2004·Granted Mar 4, 2008·16 cites·14 claims
- 4970US7227562B2Electrophotograhic apparatusRICOH PRINTING SYS LTD·Filed 2003·Granted Jun 5, 2007·12 cites·16 claims
- 5070US6879800B2Developing apparatus and electrostatic record apparatusRICOH PRINTING SYS LTD·Filed 2002·Granted Apr 12, 2005·11 cites·18 claims
Showing the top 50 of 127 patent records by PatentIndex Score.
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