Inventor
SYPULA DONALD S
US41 patents
⚠️ This page may combine multiple inventors who share the name “SYPULA DONALD S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
40 patentsUS6201945B1Mar 13, 2001
Polyimide and doped metal oxide fuser components
XEROX CORP72 citations96
US5922440AJul 13, 1999
Polyimide and doped metal oxide intermediate transfer components
XEROX CORP63 citations96
US5300339AApr 5, 1994
Development system coatings
XEROX CORP61 citations96
US5409557AApr 25, 1995
Method of manufacturing a reinforced seamless intermediate transfer member
XEROX CORP75 citations95
US5298956AMar 29, 1994
Reinforced seamless intermediate transfer member
XEROX CORP66 citations95
US5039598AAug 13, 1991
Ionographic imaging system
XEROX CORP55 citations95
US5336577AAug 9, 1994
Single layer photoreceptor
XEROX CORP66 citations94
US5995796ANov 30, 1999
Haloelastomer and doped metal oxide film component
XEROX CORP30 citations93
US5985419ANov 16, 1999
Polyurethane and doped metal oxide transfer components
XEROX CORP40 citations93
US5876636AMar 2, 1999
Haleoelastomer and doped metal oxide compositions
XEROX CORP22 citations93
US5448342ASep 5, 1995
Development system coatings
XEROX CORP29 citations93
US5340679AAug 23, 1994
Intermediate transfer element coatings
XEROX CORP50 citations93
US5268259ADec 7, 1993
Process for preparing an electroded donor roll
XEROX CORP32 citations93
US5243392ASep 7, 1993
Imaging apparatus and process with intermediate transfer element
XEROX CORP33 citations93
US5177538AJan 5, 1993
Phenolic graphite donor roll
XEROX CORP22 citations93
US5493369AFeb 20, 1996
Apparatus and method for improved liquid developer image conditioning
XEROX CORP29 citations92
US5481341AJan 2, 1996
Roller for controlling application of carrier liquid
XEROX CORP19 citations92
US5258461ANov 2, 1993
Electrocodeposition of polymer blends for photoreceptor substrates
XEROX CORP27 citations92
US5153618AOct 6, 1992
Ionographic imaging system
XEROX CORP27 citations92
US4711833ADec 8, 1987
Powder coating process for seamless substrates
XEROX CORP46 citations92
US4515882AMay 7, 1985
Overcoated electrophotographic imaging system
XEROX CORP44 citations92
US5386277AJan 31, 1995
Developing apparatus including a coated developer roller
XEROX CORP27 citations91
US5064509ANov 12, 1991
Multilayer belts formed by electrodeposition
XEROX CORP23 citations91
US5525446AJun 11, 1996
Intermediate transfer member of thermoplastic film forming polymer layer laminated onto a base layer
XEROX CORP31 citations89
US5714243AFeb 3, 1998
Dielectric image receiving member
XEROX CORP13 citations74
US5585903ADec 17, 1996
Fluorocarbon elastomer single layer intermediate transfer member
XEROX CORP18 citations74
US5567565AOct 22, 1996
Method for transferring a toner image
XEROX CORP7 citations74
US5215841AJun 1, 1993
Electrophotographic imaging member with overcoatings containing fullerenes
XEROX CORP16 citations74
US5120628AJun 9, 1992
Transparent photoreceptor overcoatings
XEROX CORP9 citations74
US5096796AMar 17, 1992
Blocking and overcoating layers for electroreceptors
XEROX CORP16 citations73
US5445720AAug 29, 1995
Substrates, belts and electrostatographic imaging members, and methods of making
XEROX CORP15 citations72
US5073434ADec 17, 1991
Ionographic imaging system
XEROX CORP18 citations71
US4256818AMar 17, 1981
Magnetic or electrostatographic imaging and high speed fusing method uses polyamide resin in toner
XEROX CORP16 citations71
US4293627AOct 6, 1981
Process of developing magnetic images and dry magnetic toner compositions
XEROX CORP7 citations70
US4272600AJun 9, 1981
Magnetic toners containing cubical magnetite
XEROX CORP11 citations70
US6759125B1Jul 6, 2004
Development system coatings
XEROX CORP2 citations63
US5745826AApr 28, 1998
Liquid toner image conditioning roll having image protection surface layer
XEROX CORP6 citations63
US5571463ANov 5, 1996
Method of fabricating a microporous surface blotter roll
XEROX CORP6 citations63
US5919514AJul 6, 1999
Process for preparing electroded donor rolls
XEROX CORP2 citations62
US4282296AAug 4, 1981
High speed magnetographic imaging process
XEROX CORP1 citations49