Inventor
ZIOLO RONALD F
US41 patents
⚠️ This page may combine multiple inventors who share the name “ZIOLO RONALD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
40 patentsUS5843567ADec 1, 1998
Electrical component containing magnetic particles
XEROX CORP63 citations96
US5714536AFeb 3, 1998
Magnetic nanocompass compositions and processes for making and using
XEROX CORP96 citations96
US5667924ASep 16, 1997
Superparamagnetic image character recognition compositions and processes of making and using
XEROX CORP56 citations96
US5889091AMar 30, 1999
Magnetic nanocompass compositions and processes for making and using
XEROX CORP47 citations95
US5385796AJan 31, 1995
Electrophotographic imaging member having unmodified hydroxy methacrylate polymer charge blocking layer
XEROX CORP80 citations95
US5641424AJun 24, 1997
Magnetic refrigerant compositions and processes for making and using
XEROX CORP57 citations94
US6451220B1Sep 17, 2002
High density magnetic recording compositions and processes thereof
XEROX CORP74 citations93
US5858595AJan 12, 1999
Magnetic toner and ink jet compositions
XEROX CORP25 citations93
US5670078ASep 23, 1997
Magnetic and nonmagnetic particles and fluid, methods of making and methods of using the same
XEROX CORP24 citations93
US5578245ANov 26, 1996
Method of preparing a stable colloid of submicron particles
XEROX CORP19 citations93
US5567564AOct 22, 1996
Liquid development composition having a colorant comprising a stable dispersion of magnetic particles in an aqueous medium
XEROX CORP20 citations93
US5358659AOct 25, 1994
Magnetic materials with single-domain and multidomain crystallites and a method of preparation
XEROX CORP25 citations93
US5322756AJun 21, 1994
Magnetic fluids and method of preparation
XEROX CORP39 citations93
US5288581AFeb 22, 1994
Toner compositions with anionic clay or clay-like charge enhancing additives
XEROX CORP22 citations93
US4810611AMar 7, 1989
Developer compositions with coated carrier particles having incorporated therein colorless additives
XEROX CORP46 citations93
US4474866AOct 2, 1984
Developer composition containing superparamagnetic polymers
XEROX CORP37 citations93
US4245026AJan 13, 1981
Production of low density coated magnetic polymer carrier particulate materials
XEROX CORP29 citations93
US4238558ADec 9, 1980
Low density magnetic polymer carrier materials produced by metal carbonyl thermal decomposition
XEROX CORP43 citations93
US5744090AApr 28, 1998
Process for the manufacture of conductive fibers usable in electrostatic cleaning devices
XEROX CORP30 citations92
US5667716ASep 16, 1997
High magnetization aqueous ferrofluids and processes for preparation and use thereof
XEROX CORP49 citations89
US6048920AApr 11, 2000
Magnetic nanocomposite compositions and processes for the preparation and use thereof
XEROX CORP36 citations87
US5927621AJul 27, 1999
Particle size reduction process
XEROX CORP34 citations87
US7276254B2Oct 2, 2007
Emulsion/aggregation polymeric microspheres for biomedical applications and methods of making same
XEROX CORP16 citations82
US5457523AOct 10, 1995
Ferrofluid media charging of photoreceptors
XEROX CORP19 citations82
US5091278AFeb 25, 1992
Blocking layer for photoreceptors
XEROX CORP18 citations82
US5232810AAug 3, 1993
Toner composition comprising fullerene
XEROX CORP7 citations74
US5215841AJun 1, 1993
Electrophotographic imaging member with overcoatings containing fullerenes
XEROX CORP16 citations74
US5188918AFeb 23, 1993
Toner and developer compositions comprising fullerene
XEROX CORP13 citations74
US5120628AJun 9, 1992
Transparent photoreceptor overcoatings
XEROX CORP9 citations74
US4267247AMay 12, 1981
Low specific gravity magnetic carrier materials
XEROX CORP12 citations74
US4264648AApr 28, 1981
Low specific gravity magnetic carrier materials
XEROX CORP10 citations74
US4199614AApr 22, 1980
Transparent colored magnetic materials and electrostatographic process
XEROX CORP17 citations74
US4150173AApr 17, 1979
Process of preparing transparent colored magnetic materials
XEROX CORP11 citations74
US5900344AMay 4, 1999
Carrier composition and processes thereof
XEROX CORP6 citations73
US5700615ADec 23, 1997
Coated carrier particles
XEROX CORP13 citations73
US5166381ANov 24, 1992
Blocking layer for photoreceptors
XEROX CORP3 citations63
US4877768AOct 31, 1989
Processes for the preparation of copper oxide superconductors
XEROX CORP3 citations63
US4876240AOct 24, 1989
Processes for the preparation of copper oxide superconductors
XEROX CORP2 citations63
US6999487B2Feb 14, 2006
Terahertz generation processes and imaging process thereof
XEROX CORP1 citations52
US6990126B2Jan 24, 2006
Systems and methods for producing superradiance using molecular magnets
XEROX CORP0 citations38