Assignee
COPYER CO
JP·43 granted patents·679 citations·filing 1975–2001
Top patents by PatentIndex Score
43 records- 0196US6301454B1Fixing heater controlling method and an image forming deviceCOPYER CO·Filed 1998·Granted Oct 9, 2001·89 cites·16 claims
- 0293US4315982AStyryl pyrazoline compounds, process for production thereof, and electrophoto graphic material comprising said compoundsCOPYER CO·Filed 1981·Granted Feb 16, 1982·82 cites·24 claims
- 0391US6302602B1Apparatus for cutting-recording mediumCOPYER CO·Filed 1998·Granted Oct 16, 2001·56 cites·18 claims
- 0481US6229983B1Image formation apparatus having controller for cutting recording mediumCOPYER CO·Filed 1998·Granted May 8, 2001·28 cites·12 claims
- 0577US6348697B1Media detection method and deviceCOPYER CO·Filed 1998·Granted Feb 19, 2002·33 cites·10 claims
- 0676USD400917SPlotterCOPYER CO·Filed 1996·Granted Nov 10, 1998·26 cites·1 claims
- 0774US6530639B1Image forming deviceCOPYER CO·Filed 2000·Granted Mar 11, 2003·15 cites·6 claims
- 0873US6409301B1Ink-jet image forming deviceCOPYER CO·Filed 1999·Granted Jun 25, 2002·31 cites·4 claims
- 0973US4500619AElectrophotographic photosensitive member with oxadiazole containing disazo compoundCOPYER CO·Filed 1984·Granted Feb 19, 1985·9 cites·11 claims
- 1071US6091928ARolled paper supply device for image forming apparatusesCOPYER CO·Filed 1998·Granted Jul 18, 2000·26 cites·8 claims
- 1170US6084607AInk-type image forming device with mounting-position-error detection means for detecting deviations in position of recording headsCOPYER CO·Filed 1996·Granted Jul 4, 2000·27 cites·14 claims
- 1267US6568790B1PrinterCOPYER CO·Filed 2000·Granted May 27, 2003·11 cites·8 claims
- 1367US6409322B1Ink supply apparatus and ink filling methodCOPYER CO·Filed 1998·Granted Jun 25, 2002·22 cites·12 claims
- 1463US6519441B1Roll paper unit having paper path switching member and image forming apparatus employing the sameCOPYER CO·Filed 1998·Granted Feb 11, 2003·20 cites·28 claims
- 1562US4359513AElectrophotographic light-sensitive disazo compounds having diphenylacrylonitrile groupCOPYER CO·Filed 1981·Granted Nov 16, 1982·11 cites·12 claims
- 1661US4359515ADisazo electrophotographic light-sensitive mediaCOPYER CO·Filed 1981·Granted Nov 16, 1982·11 cites·16 claims
- 1759US6470160B1Image forming apparatus with manual sheet feeder tray or discharged-sheet trayCOPYER CO·Filed 1999·Granted Oct 22, 2002·13 cites·4 claims
- 1859US4390268ACleaning device for transferring system wet type copying machineCOPYER CO·Filed 1980·Granted Jun 28, 1983·11 cites·27 claims
- 1957US6120196AImage forming device using multiple factors to adjust print positionCOPYER CO·Filed 1997·Granted Sep 19, 2000·16 cites·25 claims
- 2052US6104897AImage forming apparatusCOPYER CO·Filed 1998·Granted Aug 15, 2000·17 cites·4 claims
- 2152US4286862AMeans for separating a copying paper from a sensitive body in an electronic copying machineCOPYER CO·Filed 1979·Granted Sep 1, 1981·13 cites·1 claims
- 2252US4160595ACopying machine equipped with a flash type fixing apparatusCOPYER CO·Filed 1978·Granted Jul 10, 1979·6 cites·8 claims
- 2351US6250624B1Extension guide apparatusCOPYER CO·Filed 1997·Granted Jun 26, 2001·11 cites·32 claims
- 2450US6477350B1Fixation unit having contact and pressure rollersCOPYER CO·Filed 1999·Granted Nov 5, 2002·9 cites·6 claims
- 2549US6266455B1Image processorCOPYER CO·Filed 1997·Granted Jul 24, 2001·15 cites·14 claims
- 2648US6582046B1Method and device for image processingCOPYER CO·Filed 1999·Granted Jun 24, 2003·12 cites·13 claims
- 2747US6478491B2Image forming apparatusCOPYER CO·Filed 2001·Granted Nov 12, 2002·3 cites·3 claims
- 2846US4268595AElectrostatic recording material and method for the production thereofCOPYER CO·Filed 1979·Granted May 19, 1981·8 cites·19 claims
- 2943US4419428AElectrophotographic light-sensitive media having a dis-azo compoundCOPYER CO·Filed 1981·Granted Dec 6, 1983·5 cites·14 claims
- 3043US4356243AElectrophotographic media with benzoxazole group containing dis-azo compoundCOPYER CO·Filed 1981·Granted Oct 26, 1982·5 cites·16 claims
- 3142US4097646AElectrostatic recording material having a dielectric copolymer coated layerCOPYER CO·Filed 1975·Granted Jun 27, 1978·4 cites·10 claims
- 3238US6273624B1Image forming deviceCOPYER CO·Filed 1997·Granted Aug 14, 2001·5 cites·8 claims
- 3338US4013285ACopying machineCOPYER CO·Filed 1976·Granted Mar 22, 1977·6 cites·6 claims
- 3436US6161973AInk-jet image forming deviceCOPYER CO·Filed 1997·Granted Dec 19, 2000·5 cites·14 claims
- 3536US4485159ALaminate type electrophotographic light-sensitive materialCOPYER CO·Filed 1980·Granted Nov 27, 1984·3 cites·6 claims
- 3635US6064464ACopying machineCOPYER CO·Filed 1998·Granted May 16, 2000·3 cites·10 claims
- 3734US6371668B1Printing data transfer method and printerCOPYER CO·Filed 1999·Granted Apr 16, 2002·3 cites·11 claims
- 3834US6312071B1Scanning type image formation apparatusCOPYER CO·Filed 1997·Granted Nov 6, 2001·3 cites·9 claims
- 3932US6471344B2Ink supply device and ink filling methodCOPYER CO·Filed 2001·Granted Oct 29, 2002·0 cites·4 claims
- 4032US6460983B2Ink supply device and ink filling methodCOPYER CO·Filed 2001·Granted Oct 8, 2002·0 cites·4 claims
- 4132US4012142ACopying machineCOPYER CO·Filed 1975·Granted Mar 15, 1977·3 cites·5 claims
- 4227US6224190B1Ink-jet recording method and deviceCOPYER CO·Filed 1999·Granted May 1, 2001·3 cites·14 claims
- 4310US6488424B1Image forming deviceCOPYER CO·Filed 1998·Granted Dec 3, 2002·0 cites·5 claims
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