Assignee
HITACHI PRINTING SOLUTIONS LTD
JP·48 granted patents·7 pending applications·400 citations·filing 2000–2004
Top patents by PatentIndex Score
55 records- 0184US6763220B2Printing system and method for printing on both surfaces of webHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Jul 13, 2004·25 cites·18 claims
- 0283US7090340B2Inkjet recording head and inkjet recording apparatus using the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Aug 15, 2006·24 cites·16 claims
- 0382US6738586B2Print control method of electrophotograph and image formation apparatus with potential sensor using the methodHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted May 18, 2004·20 cites·17 claims
- 0480US6799507B2Web printersHITACHI PRINTING SOLUTIONS LTD·Filed 2001·Granted Oct 5, 2004·22 cites·6 claims
- 0579US6853829B2Multi-color printer and method thereforHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Feb 8, 2005·17 cites·30 claims
- 0679US6686943B2Control method of an electrophotographic record apparatus and image formation apparatus including controlling developing bias and photoconductor surface potentialHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Feb 3, 2004·17 cites·20 claims
- 0778US6813462B2Electro-photographic developing unitHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Nov 2, 2004·17 cites·19 claims
- 0877US6623113B2Inkjet recording head including electrode assembly for deflecting ink dropletsHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Sep 23, 2003·17 cites·14 claims
- 0976US6641652B2Ink composition for inkjet recording and inkjet recording processHITACHI PRINTING SOLUTIONS LTD·Filed 2001·Granted Nov 4, 2003·13 cites·18 claims
- 1071US6796632B2Refresh ink ejection device and inkjet recording device including the refresh ink ejection deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Sep 28, 2004·13 cites·17 claims
- 1170US6701837B2Widthwise paper drift correction device for elongated web-like print paperHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Mar 9, 2004·10 cites·19 claims
- 1269US6761436B2Inkjet head formed with a plurality of restrictors and inkjet printer including the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jul 13, 2004·12 cites·12 claims
- 1369US6621511B2Optical recording apparatus including light-transmitting diffraction grating and multi-channel acousto-optic modulatorHITACHI PRINTING SOLUTIONS LTD·Filed 2001·Granted Sep 16, 2003·12 cites·2 claims
- 1467US6842274B2Light scanner and image formation apparatus therewithHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jan 11, 2005·11 cites·18 claims
- 1567US6814432B2Inkjet recording device and ink supplying device employed therebyHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Nov 9, 2004·11 cites·20 claims
- 1667US6795683B2Tandem type printing systemHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Sep 21, 2004·10 cites·17 claims
- 1766US6843554B2Ink jet head and method of production thereofHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Jan 18, 2005·11 cites·36 claims
- 1866US6825457B2Two-dimensional beam writing position detecting device and image forming apparatus using the detecting deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Nov 30, 2004·7 cites·23 claims
- 1966US6749291B2Inkjet recording device that reuses refresh inkHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Jun 15, 2004·10 cites·10 claims
- 2065US6684051B2Print system and registration control method at print start time of the print systemHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jan 27, 2004·9 cites·14 claims
- 2165US6599040B2Method of setting a print start position in a continuous form printing systemHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jul 29, 2003·10 cites·1 claims
- 2264US6749279B2Inkjet recording device capable of controlling ejection timing of each nozzle individuallyHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jun 15, 2004·9 cites·17 claims
- 2364US6714758B2Printing system that positions web at accurate waiting positionHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Mar 30, 2004·9 cites·5 claims
- 2463US6760553B2Electrophotographic cluster printing system with controlled image qualityHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jul 6, 2004·8 cites·18 claims
- 2562US6783909B2Electrostatic image developing toner and image forming methodHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Aug 31, 2004·8 cites·6 claims
- 2662US6679586B2Inkjet recording device capable of performing ink refresh operation without stopping printing operationHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jan 20, 2004·8 cites·15 claims
- 2759US6746095B2Multinozzle ink jet recording device capable of identifying defective nozzleHITACHI PRINTING SOLUTIONS LTD·Filed 2001·Granted Jun 8, 2004·7 cites·20 claims
- 2858US6837574B2Line scan type ink jet recording deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2000·Granted Jan 4, 2005·7 cites·14 claims
- 2954US6767087B2Inkjet head provided with deflecting electrodes for deflecting ejected ink dropletsHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jul 27, 2004·5 cites·17 claims
- 3054US6753991B2Optical recording apparatusHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Jun 22, 2004·4 cites·9 claims
- 3154US6702418B2Ink jet recording device capable of detecting defective nozzle with high signal-to-noise ratioHITACHI PRINTING SOLUTIONS LTD·Filed 2001·Granted Mar 9, 2004·5 cites·20 claims
- 3252US6735414B2Paper ejection unit in a print apparatusHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted May 11, 2004·3 cites·18 claims
- 3349US6719411B2Ink jet recording headHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Apr 13, 2004·4 cites·6 claims
- 3449US6694119B2Perfecting press apparatusHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Feb 17, 2004·4 cites·7 claims
- 3546US6829449B2Image forming apparatus with transfer bias inverting functionHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Dec 7, 2004·3 cites·2 claims
- 3645US6670975B2Laser control deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Dec 30, 2003·0 cites·6 claims
- 3745US6669384B2Printing apparatusHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Dec 30, 2003·3 cites·19 claims
- 3844US6786577B2Inkjet print head and method for making the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Sep 7, 2004·2 cites·12 claims
- 3944US2003218775A1Print control method and printing apparatusHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Application pending·0 cites
- 4043US6808329B2Paper ejection apparatus in a print apparatusHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Oct 26, 2004·2 cites·22 claims
- 4143US6663232B2Configuration of ink jet print head capable of reliably maintaining its continuityHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Dec 16, 2003·2 cites·7 claims
- 4242US7079803B2Electrophotographic printerHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Jul 18, 2006·2 cites·16 claims
- 4342US6876373B2Laser power correction method and device for the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2003·Granted Apr 5, 2005·0 cites·7 claims
- 4442US6702432B2Configuration of inkjet head realizing uniform ink ejection performanceHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Mar 9, 2004·2 cites·19 claims
- 4542US6679589B2Ink jet print head and method of production thereofHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jan 20, 2004·2 cites·8 claims
- 4641US6682179B2Ink jet print head and method of production thereofHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Jan 27, 2004·2 cites·10 claims
- 4740US6882819B2Image forming apparatus for printing an image on both sides of a recording mediumHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Apr 19, 2005·1 cites·2 claims
- 4836US6696210B2Electrostatic charge developing toner and image forming method using the sameHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Feb 24, 2004·0 cites·18 claims
- 4935US2005053396A1Image forming apparatus and charging deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2004·Application pending·0 cites
- 5034US6792235B2Electrophotographic apparatus including transferring deviceHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Sep 14, 2004·0 cites·27 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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