Inventor

Donald S. Sypula

Inventor

Penfield, NY, US

Overview

42→

Patents

1981–2004

Patent span

Physics

Primary field (CPC G)

Patents· 42 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography41%

Y10TTechnical subjects covered by former us classification13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

B29CShaping or joining of plastics4%

C25DProcesses for the electrolytic or electrophoretic production of coatings4%

B29LIndexing scheme associated with subclass b29c, relating to particular articles3%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

B41JTypewriters2%

C08JWorking-up2%

PatentTitleYear

6,759,125'Development system coatings'2004 6,201,945'Polyimide and doped metal oxide fuser components'2001 5,995,796'Haloelastomer and doped metal oxide film component'1999 5,985,419'Polyurethane and doped metal oxide transfer components'1999 5,922,440'Polyimide and doped metal oxide intermediate transfer components'1999 5,919,514'Process for preparing electroded donor rolls'1999 5,876,636'Haleoelastomer and doped metal oxide compositions'1999 5,745,826'Liquid toner image conditioning roll having image protection surface layer'1998 5,714,243'Dielectric image receiving member'1998 5,585,903'Fluorocarbon elastomer single layer intermediate transfer member'1996 5,571,463'Method of fabricating a microporous surface blotter roll'1996 5,567,565'Method for transferring a toner image'1996 5,525,446'Intermediate transfer member of thermoplastic film forming polymer layer laminated onto a base layer'1996 5,493,369'Apparatus and method for improved liquid developer image conditioning'1996 5,481,341'Roller for controlling application of carrier liquid'1996 5,448,342'Development system coatings'1995 5,445,720'Substrates, belts and electrostatographic imaging members, and methods of making'1995 5,409,557'Method of manufacturing a reinforced seamless intermediate transfer member'1995 5,386,277'Developing apparatus including a coated developer roller'1995 5,340,679'Intermediate transfer element coatings'1994 5,336,577'Single layer photoreceptor'1994 5,300,339'Development system coatings'1994 5,298,956'Reinforced seamless intermediate transfer member'1994 5,268,259'Process for preparing an electroded donor roll'1993 5,258,461'Electrocodeposition of polymer blends for photoreceptor substrates'1993 5,243,392'Imaging apparatus and process with intermediate transfer element'1993 5,215,841'Electrophotographic imaging member with overcoatings containing fullerenes'1993 5,177,538'Phenolic graphite donor roll'1993 5,153,618'Ionographic imaging system'1992 5,120,628'Transparent photoreceptor overcoatings'1992 5,096,796'Blocking and overcoating layers for electroreceptors'1992 5,073,434'Ionographic imaging system'1991 5,064,509'Multilayer belts formed by electrodeposition'1991 5,039,598'Ionographic imaging system'1991 4,952,293'Polymer electrodeposition process'1990 4,747,992'Process for fabricating a belt'1988 4,711,833'Powder coating process for seamless substrates'1987 4,515,882'Overcoated electrophotographic imaging system'1985 4,293,627'Process of developing magnetic images and dry magnetic toner compositions'1981 4,282,296'High speed magnetographic imaging process'1981 4,272,600'Magnetic toners containing cubical magnetite'1981 4,256,818'Magnetic or electrostatographic imaging and high speed fusing method uses polyamide resin in toner'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2004Patents assigned to XEROX CORP (41)· patent assignee history

1981Based in Fairport, NY, US· patent location history

1985–1988Based in Pittsford, NY, US· patent location history

1988Patents assigned to ABRAMSOHN DENNIS A (1)· patent assignee history

1988Patents assigned to BRACH PAUL J (1)· patent assignee history

1988Patents assigned to GRIFFITHS CLIFFORD H (1)· patent assignee history

1988Patents assigned to LEE LIENG HUANG (1)· patent assignee history

1990–2004Based in Penfield, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	41	1981–2004
ABRAMSOHN DENNIS A	1	1988
BRACH PAUL J	1	1988
GRIFFITHS CLIFFORD H	1	1988
LEE LIENG HUANG	1	1988

Locations

Location	Patents	Span
Penfield, New York, US	35	1990–2004
Fairport, New York, US	4	1981
Pittsford, New York, US	3	1985–1988