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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →