Assignee
COULTER SYSTEMS CORP
US·77 granted patents·1,705 citations·filing 1975–1989
Top patents by PatentIndex Score
77 records- 0199US4355300AIndicia recognition apparatusCOULTER SYSTEMS CORP·Filed 1980·Granted Oct 19, 1982·297 cites·29 claims
- 0297US4284490AR.F. Sputtering apparatus including multi-network power supplyCOULTER SYSTEMS CORP·Filed 1979·Granted Aug 18, 1981·69 cites·50 claims
- 0395US4504138AMethod and apparatus for developing electrostatic latent imagesCOULTER SYSTEMS CORP·Filed 1981·Granted Mar 12, 1985·62 cites·29 claims
- 0492US4918487AToner applicator for electrophotographic microimageryCOULTER SYSTEMS CORP·Filed 1989·Granted Apr 17, 1990·133 cites·43 claims
- 0592US4278528ARectilinear sputtering apparatus and methodCOULTER SYSTEMS CORP·Filed 1979·Granted Jul 14, 1981·76 cites·15 claims
- 0692US4255652AHigh speed electrically responsive indicia detecting apparatus and methodCOULTER SYSTEMS CORP·Filed 1979·Granted Mar 10, 1981·73 cites·19 claims
- 0790US4331526AContinuous sputtering apparatus and methodCOULTER SYSTEMS CORP·Filed 1979·Granted May 25, 1982·47 cites·29 claims
- 0889US4424589AFlat bed scanner system and methodCOULTER SYSTEMS CORP·Filed 1980·Granted Jan 3, 1984·80 cites·17 claims
- 0988US4468706AImaging by varying the placement of elements in the pixelsCOULTER SYSTEMS CORP·Filed 1979·Granted Aug 28, 1984·44 cites·38 claims
- 1086US4236807AModular electrophotographic copying machineCOULTER SYSTEMS CORP·Filed 1979·Granted Dec 2, 1980·25 cites·5 claims
- 1185US4204865ADirect-imaging flexible offset printing plate and method of manufactureCOULTER SYSTEMS CORP·Filed 1978·Granted May 27, 1980·25 cites·35 claims
- 1284US4556309AElectrophotographic imaging apparatus, particularly for color proofing and methodCOULTER SYSTEMS CORP·Filed 1982·Granted Dec 3, 1985·27 cites·39 claims
- 1384US4455039AEncoded security documentCOULTER SYSTEMS CORP·Filed 1982·Granted Jun 19, 1984·95 cites·29 claims
- 1484US4284489APower transfer networkCOULTER SYSTEMS CORP·Filed 1978·Granted Aug 18, 1981·26 cites·17 claims
- 1584US4269919AInorganic photoconductive coating, electrophotographic member and sputtering method of making the sameCOULTER SYSTEMS CORP·Filed 1977·Granted May 26, 1981·20 cites·55 claims
- 1683US4533941AMethod and apparatus for half-tone reproduction of a varying tone original imageCOULTER SYSTEMS CORP·Filed 1983·Granted Aug 6, 1985·38 cites·33 claims
- 1782US4363711AMethod of making photoconductive coatingCOULTER SYSTEMS CORP·Filed 1980·Granted Dec 14, 1982·21 cites·15 claims
- 1881US4510225AElectrophotographic method for producing an opaque printCOULTER SYSTEMS CORP·Filed 1982·Granted Apr 9, 1985·36 cites·24 claims
- 1978US4529650AImage transfer materialCOULTER SYSTEMS CORP·Filed 1981·Granted Jul 16, 1985·35 cites·4 claims
- 2078US4358195AElectrophotographic color proofing apparatusCOULTER SYSTEMS CORP·Filed 1980·Granted Nov 9, 1982·25 cites·53 claims
- 2178US4294678AApparatus and method for preventing contamination of sputtering targetsCOULTER SYSTEMS CORP·Filed 1979·Granted Oct 13, 1981·24 cites·10 claims
- 2276US4410260AToning apparatus and methodCOULTER SYSTEMS CORP·Filed 1981·Granted Oct 18, 1983·19 cites·36 claims
- 2376US4372679AImage illumination compensation method and apparatusCOULTER SYSTEMS CORP·Filed 1981·Granted Feb 8, 1983·12 cites·21 claims
- 2475US4510223AMulticolor electrophotographic imaging processCOULTER SYSTEMS CORP·Filed 1983·Granted Apr 9, 1985·22 cites·6 claims
- 2575US4322786APulse burst regulated d.c. power supply apparatus and methodCOULTER SYSTEMS CORP·Filed 1980·Granted Mar 30, 1982·22 cites·31 claims
- 2674US4306271ASequentially pulsed overlapping field multielectrode corona charging method and apparatusCOULTER SYSTEMS CORP·Filed 1980·Granted Dec 15, 1981·16 cites·33 claims
- 2774US4258113AEndless belt or cylinder for use with electrostatic imaging and method of making the sameCOULTER SYSTEMS CORP·Filed 1977·Granted Mar 24, 1981·14 cites·13 claims
- 2869US4526357AElectro-static sheet feeding method and apparatusCOULTER SYSTEMS CORP·Filed 1983·Granted Jul 2, 1985·17 cites·16 claims
- 2967US4521097AElectrophotographic image recording method and apparatusCOULTER SYSTEMS CORP·Filed 1982·Granted Jun 4, 1985·14 cites·36 claims
- 3066US4386847AOffice copier with articulated hinge coverCOULTER SYSTEMS CORP·Filed 1980·Granted Jun 7, 1983·10 cites·9 claims
- 3164US4566042AElectrophotographic imaging apparatus by variably placing pixel elementsCOULTER SYSTEMS CORP·Filed 1984·Granted Jan 21, 1986·16 cites·41 claims
- 3262US4344121AClocked logic power supplyCOULTER SYSTEMS CORP·Filed 1980·Granted Aug 10, 1982·14 cites·24 claims
- 3362US4266869AApparatus and method for making lithographic printing platesCOULTER SYSTEMS CORP·Filed 1979·Granted May 12, 1981·12 cites·47 claims
- 3462US4242433AHigh speed electrophotographic mediumCOULTER SYSTEMS CORP·Filed 1977·Granted Dec 30, 1980·10 cites·11 claims
- 3561US4419004AMethod and apparatus for making transparencies electrostaticallyCOULTER SYSTEMS CORP·Filed 1981·Granted Dec 6, 1983·11 cites·5 claims
- 3660US4319544ADigitally synthesized dynamic bias method and apparatus for toning control in developing latent electrophotographic imagesCOULTER SYSTEMS CORP·Filed 1980·Granted Mar 16, 1982·17 cites·26 claims
- 3758US4566781AMethod of apparatus for liquid developing of electrostatic images in an electrophotographic imaging system including a looped image carrierCOULTER SYSTEMS CORP·Filed 1983·Granted Jan 28, 1986·10 cites·8 claims
- 3858US4408868ADigital plate maker system and methodCOULTER SYSTEMS CORP·Filed 1980·Granted Oct 11, 1983·14 cites·39 claims
- 3958US4264199AUnitary optical system mounting component for imaging apparatusCOULTER SYSTEMS CORP·Filed 1979·Granted Apr 28, 1981·8 cites·32 claims
- 4057US4259005ADevice and method for developing latent electrostatic imagesCOULTER SYSTEMS CORP·Filed 1978·Granted Mar 31, 1981·8 cites·9 claims
- 4156US4262998AElectrophotographic attachment for use with an optical projecting systemCOULTER SYSTEMS CORP·Filed 1978·Granted Apr 21, 1981·8 cites·33 claims
- 4255US4456367AToning system for electrostatic imaging apparatusCOULTER SYSTEMS CORP·Filed 1982·Granted Jun 26, 1984·9 cites·38 claims
- 4353US4271785AApparatus for developing latent electrostatic imagesCOULTER SYSTEMS CORP·Filed 1980·Granted Jun 9, 1981·11 cites·16 claims
- 4452US4255508AFlexible metal printing cylinder having a coating of crystalline photoconductive materialCOULTER SYSTEMS CORP·Filed 1977·Granted Mar 10, 1981·6 cites·10 claims
- 4548US4561730ASynthetic resin lens system for imaging apparatusCOULTER SYSTEMS CORP·Filed 1982·Granted Dec 31, 1985·12 cites·21 claims
- 4647US4515879AOptical mass memory system using electrophotographyCOULTER SYSTEMS CORP·Filed 1983·Granted May 7, 1985·7 cites·23 claims
- 4747US4468707AHigh speed imaging of electrophotographic film by fine beam scanningCOULTER SYSTEMS CORP·Filed 1982·Granted Aug 28, 1984·8 cites·13 claims
- 4846US4419005AImaging method and apparatusCOULTER SYSTEMS CORP·Filed 1981·Granted Dec 6, 1983·6 cites·5 claims
- 4945US4493549AOptical system for imaging an electrophotographic memberCOULTER SYSTEMS CORP·Filed 1983·Granted Jan 15, 1985·8 cites·6 claims
- 5045US4394084ALow-profile electrophotographic copying machineCOULTER SYSTEMS CORP·Filed 1981·Granted Jul 19, 1983·6 cites·31 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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