Inventor · disambiguated record
Josef Matkan
Also filed as: MATKAN JOSEF
14 granted patents·298 citations·filing 1971–1989
93Inventor score
Top patents by PatentIndex Score
14 records- 0195US4504138AMethod and apparatus for developing electrostatic latent imagesCOULTER SYSTEMS CORP·Filed 1981·Granted Mar 12, 1985·62 cites·29 claims
- 0290US4681806AParticles containing releasable fill material and method of making sameMINNESOTA MINING & MFG·Filed 1986·Granted Jul 21, 1987·83 cites·12 claims
- 0387US4307169AMicrocapsular electroscopic marking particlesMOORE BUSINESS FORMS INC·Filed 1980·Granted Dec 22, 1981·46 cites·10 claims
- 0480US4176406AInformation recording and recognitionMOORE BUSINESS FORMS INC·Filed 1977·Granted Nov 27, 1979·34 cites·12 claims
- 0575US4021586AMethod of and means for the development of electrostatic imagesCANON KK·Filed 1973·Granted May 3, 1977·29 cites·12 claims
- 0664US3944355AApparatus for transporting and charging paper in electrostatic copiers and the likeRES LAB OF AUSTRALIA·Filed 1974·Granted Mar 16, 1976·11 cites·3 claims
- 0761US4447516ADry toner and method of making sameRES HOLDINGS PTY LTD·Filed 1982·Granted May 8, 1984·12 cites·13 claims
- 0851US3951836AToners for electrostatic imagingCANON KK·Filed 1971·Granted Apr 20, 1976·6 cites·5 claims
- 0938US4986211AToning method and member for electrostatographyCOULTER SYSTEMS CORP·Filed 1989·Granted Jan 22, 1991·5 cites·20 claims
- 1036US4398497ALiquid electrophotographic toner applicatorCOULTER SYSTEMS CORP·Filed 1981·Granted Aug 16, 1983·3 cites·15 claims
- 1134US4362764AElectrostatic printing of markers for cutting fabric involves image transfer and two tonersBETTER METHODS INC·Filed 1981·Granted Dec 7, 1982·3 cites·21 claims
- 1227US4764443AMethod of image reversal in color electrophotographySTORK RESEARCH·Filed 1986·Granted Aug 16, 1988·3 cites·10 claims
- 1324US5055365AElectrostatic proofing of negative color separationsSTORK COLORPROOFING·Filed 1988·Granted Oct 8, 1991·1 cites·28 claims
- 1421US5030530AMethod of electrostatic color proofingMATKAN JOSEF·Filed 1986·Granted Jul 9, 1991·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →