Inventor

Dennis A. Abramsohn

Inventor

Pittsford, NY, US

Overview

36→

Patents

1985–2020

Patent span

Physics

Primary field (CPC G)

Patents· 36 as inventor

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

G03Gprimary

G03GElectrography55%

H04NPictorial communication, e.g. television9%

Y10TTechnical subjects covered by former us classification6%

B29CShaping or joining of plastics4%

B29LIndexing scheme associated with subclass b29c, relating to particular articles4%

B41JTypewriters4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B29DProducing particular articles from plastics or from substances in a plastic state2%

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%

C23CCoating metallic material2%

PatentTitleYear

10,705,475Photo-conductor drum with protective layer of material2020 9,014,578'Tone reproduction curve error reduction'2015 8,810,855'Erasable printouts including erasable features'2014 8,665,487'Calibration of half-tone densities in printers'2014 7,755,654'Pixel'2010 7,619,771'Color calibration in a printer'2009 6,877,659'Gyricon platen cover for show-through correction'2005 6,667,752'Printing machine discharge device including pluralities of emitters for different degrees of image receiver charge manipulation'2003 6,510,304'Auger for magnetic materials with specific use for developer transport in elelctrographic printing systems'2003 6,369,842'Permanent photoreceptor registration marking and method'2002 6,320,387'Charge measuring instrument for flexible materials'2001 6,223,011'Printing machine with reconditioning light source'2001 6,208,819'Method for discharging photoreceptor residual charges'2001 6,166,550'Charge measuring instrument'2000 5,815,779'System for conditioning liquid ink in a liquid ink type electrostatographic system'1998 5,758,237'System for enhancing vacuum efficiency, particularly for conditioning liquid images in a liquid developing material-based electrostatographic system'1998 5,714,243'Dielectric image receiving member'1998 5,585,903'Fluorocarbon elastomer single layer intermediate transfer member'1996 5,559,588'Lid machine capable of producing clean-background stabilized liquid toner images'1996 5,409,557'Method of manufacturing a reinforced seamless intermediate transfer member'1995 5,404,202'Apparatus for registering images in a xerographic system'1995 5,385,796'Electrophotographic imaging member having unmodified hydroxy methacrylate polymer charge blocking layer'1995 5,340,679'Intermediate transfer element coatings'1994 5,338,587'Electrographic methods'1994 5,336,577'Single layer photoreceptor'1994 5,298,956'Reinforced seamless intermediate transfer member'1994 5,266,431'Electrographic imaging members'1993 5,243,392'Imaging apparatus and process with intermediate transfer element'1993 5,177,538'Phenolic graphite donor roll'1993 5,153,618'Ionographic imaging system'1992 5,096,796'Blocking and overcoating layers for electroreceptors'1992 5,039,598'Ionographic imaging system'1991 4,988,597'Conductive and blocking layers for electrophotographic imaging members'1991 4,750,018'Pre-transfer copy sheet cleaning apparatus'1988 4,747,992'Process for fabricating a belt'1988 4,515,882'Overcoated electrophotographic imaging system'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2005Patents assigned to XEROX CORP (29)· patent assignee history

1985–2003Based in Pittsford, NY, US· patent location history

1988–2014Patents assigned to ABRAMSOHN DENNIS A (2)· patent assignee history

2005–2020Based in Boise, ID, US· patent location history

2009–2020Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (6)· patent assignee history

2015Patents assigned to ABRAMSOHN DENNIS ALAN (1)· patent assignee history

2015Patents assigned to ALLEBACH JAN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	29	1985–2005
HEWLETT PACKARD DEVELOPMENT CO	6	2009–2020
ABRAMSOHN DENNIS Aself	2	1988–2014
ABRAMSOHN DENNIS ALANself	1	2015
ALLEBACH JAN	1	2015

Locations

Location	Patents	Span
Pittsford, New York, US	29	1985–2003
Boise, ID, US	7	2005–2020