Inventor · disambiguated record
Richard G. Crystal
Also filed as: CRYSTAL RICHARD · CRYSTAL RICHARD G
27 granted patents·1 pending application·536 citations·filing 1971–1997
97Inventor score
Top patents by PatentIndex Score
28 records- 0194US5176974AImaging apparatuses and processesXEROX CORP·Filed 1989·Granted Jan 5, 1993·53 cites·57 claims
- 0293US5400573AKit and method for opening, refilling and sealing a cartridgeFiled 1993·Granted Mar 28, 1995·118 cites·44 claims
- 0391US3974078AElectrostate graphic development of encapsulated materialsXEROX CORP·Filed 1971·Granted Aug 10, 1976·45 cites·11 claims
- 0481US5364462AWaterfast inksGRAPHIC UTILITIES INC·Filed 1993·Granted Nov 15, 1994·46 cites·61 claims
- 0577US5488400AMethod for refilling ink jet cartridgesGRAPHIC UTILITIES INC·Filed 1994·Granted Jan 30, 1996·42 cites·17 claims
- 0677US4027048AElectrostatographic developmentXEROX CORP·Filed 1976·Granted May 31, 1977·17 cites·13 claims
- 0769US4088073AProcess for preparing ink releasing stencilXEROX CORP·Filed 1973·Granted May 9, 1978·21 cites·11 claims
- 0868US5572852AMethod for opening, refilling and sealing a cartridgeFiled 1995·Granted Nov 12, 1996·26 cites·2 claims
- 0967US5172131AThermal transfer printing processes with multi-use transfer elementsXEROX CORP·Filed 1989·Granted Dec 15, 1992·12 cites·56 claims
- 1065US5662734AInk compositions having improved optical density characteristicsGRAPHIC UTILITIES INC·Filed 1995·Granted Sep 2, 1997·24 cites·13 claims
- 1162US5045865AMagnetically and electrostatically assisted thermal transfer printing processesXEROX CORP·Filed 1989·Granted Sep 3, 1991·12 cites·37 claims
- 1262US4803119AInk compositions for impact typewriter ribbonsXEROX CORP·Filed 1987·Granted Feb 7, 1989·17 cites·20 claims
- 1362US4016814APlanographic printing masterXEROX CORP·Filed 1973·Granted Apr 12, 1977·8 cites·14 claims
- 1460US4678355APrint tip contact sensor for quiet impact printerXEROX CORP·Filed 1985·Granted Jul 7, 1987·11 cites·4 claims
- 1559US3951060AProcess for preparing waterless lithographic mastersXEROX CORP·Filed 1973·Granted Apr 20, 1976·13 cites·20 claims
- 1653US5686948AMethod for refilling ink jet cartridgesGRAPHIC UTILITIES INC·Filed 1996·Granted Nov 11, 1997·16 cites·7 claims
- 1752US4064312ANonimaged waterless lithographic master with a curable silicone elastomer and a cured ink releasable silicone layerXEROX CORP·Filed 1975·Granted Dec 20, 1977·10 cites·7 claims
- 1852US4037706AComposite print wheelXEROX CORP·Filed 1976·Granted Jul 26, 1977·7 cites·29 claims
- 1946US4737043AImpact mechanism for quiet impact printerXEROX CORP·Filed 1986·Granted Apr 12, 1988·6 cites·9 claims
- 2045US5072234AThermal transfer printing elements with mesomorphic inksXEROX CORP·Filed 1989·Granted Dec 10, 1991·9 cites·31 claims
- 2145US4327639APrint hammer assembly with multi-location impactsXEROX CORP·Filed 1979·Granted May 4, 1982·4 cites·5 claims
- 2244US4012254ANovel photoconductive waterless lithographic printing masters, and process of preparationXEROX CORP·Filed 1975·Granted Mar 15, 1977·4 cites·12 claims
- 2342US4425045APrint wheel for use with an alignment print hammerXEROX CORP·Filed 1979·Granted Jan 10, 1984·3 cites·1 claims
- 2440US4010687APlanographic printing masterXEROX CORP·Filed 1973·Granted Mar 8, 1977·5 cites·35 claims
- 2537US4673305APrintwheel for use in a serial printerXEROX CORP·Filed 1985·Granted Jun 16, 1987·3 cites·7 claims
- 2635US4019437APlanographic printing masterXEROX CORP·Filed 1973·Granted Apr 26, 1977·3 cites·10 claims
- 2731US4686900AImpact printer with application of oblique print forceXEROX CORP·Filed 1985·Granted Aug 18, 1987·1 cites·8 claims
- 2827US2001013884A1Ink jet cartridge refill system, kit, station, and methodFiled 1997·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →