LexDanaLexDanabeta
Inventor

Zbigniew Tokarski

Inventor
Woodbury, MN, US

Overview

79→
Patents
2001–2009
Patent span
Physics
Primary field (CPC G)

Patents· 79 as inventor

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

G03Gprimary
G03GElectrography49%
C07DHeterocyclic compounds27%
C07CAcyclic or carbocyclic compounds14%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
H10KOrganic electric solid-state devices1%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%
A61CDentistry1%
A63HToys, e.g. tops, dolls, hoops or building blocks1%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments1%
G06FElectric digital data processing1%
PatentTitleYear
7,534,540'Azine-based charge transport materials having two reactive rings'20097,521,162'Organophotoreceptor with a charge transport material having two epoxidated-carbazolyl groups'20097,501,216'Azine-based charge transport materials'20097,479,357'Electrophotographic organophotoreceptors with novel charge transport materials'20097,445,877'Charge transport materials having a central disulfane linkage'20087,432,028'Polymeric charge transport compositions'20087,427,460'Hydrazone-based charge transport materials having an ethylenically unsaturated group'20087,358,014'Electrophotographic organophotoreceptors with novel charge transport compounds'20087,354,687'Dry toner blended with wax'20087,351,508'Organophotoreceptors with a charge transport material having multiple vinyl-containing hydrazone groups'20087,348,116'Aromatic heterocyclic-based charge transport materials having two amino groups'20087,348,112'Polymeric charge transport materials having repeating units comprising an aromatic group and a —S— linkage'20087,329,722'Polymeric charge transport materials having carbazolyl repeating units'20087,326,506'Bridged charge transport materials having a central sulfur atom linkage'20087,320,849'Organophotoreceptor with a charge transport material having two epoxidated-hydrazone groups'20087,320,848'Poly(azine)-based charge transport materials'20087,318,987'Dry toner comprising entrained wax'20087,316,878'Hydrazone-based charge transport materials having an unsaturated acyl group'20087,306,888'Dry electrophotographic toners comprising amphipathic copolymers having acidic functionality'20077,306,886'Dry toner comprising wax'20077,300,732'Organophotoreceptors with azine-based compounds'20077,291,433'Poly(hydrazone)-based charge transport materials'20077,291,431'Organophotoreceptor with charge transport compound having an epoxy group'20077,261,988'Azine-based charge transport materials'20077,261,987'Azine-based charge transport materials having a bicyclic heterocyclic ring'20077,244,541'Linked dihydrazone-based charge transport compounds'20077,220,523'Bridged charge transport materials having two bicyclic heterocycle hydrazones'20077,202,002'Hydrazone-based charge transport materials'20077,202,004'Electrophotographic organophotoreceptors with novel charge transport materials'20077,202,003'Dry electrophotographic toners comprising amphipathic copolymers having basic functionality'20077,189,482'Organophotoreceptor with charge transport compound with an azine group'20077,189,483'Charge transport materials having heteroaromatic hydrazone groups'20077,186,491'Negatively charged coated electrographic toner particles'20077,183,028'Organophotoreceptor with novel charge transport compounds having an epoxy group'20077,183,031'Positively charged coated electrographic toner particles'20077,179,574'Hydrazone-based charge transport materials'20077,169,520'Organophotoreceptor with charge transport material with a hydrazone group linked to a heterocyclic group'20077,169,521'Hydrazone-based charge transport materials'20077,166,400'Organophotoreceptor with a hydrazone polymer charge transport material'20077,144,665'Organophotoreceptor with a charge transport material having two hydrazone groups'20067,132,209'Organophotoreceptor with charge transport material having three arylamino groups'20067,118,839'Electrophotographic organophotoreceptors with novel charge transport materials'20067,115,347'Azine-based dimeric charge transport materials'20067,108,948'Organophotoreceptor with charge transport compositions'20067,094,510'Organophotoreceptor with a charge transport material having two (9-fluorenylidene)malononitrile groups'20067,090,953'Organophotoreceptor with a charge transport compound having an epoxy group'20067,083,884'Organophotoreceptor with charge transport material having a hydrazone group linked to an epoxy group and a heterocyclic ring'20067,074,532'Linked dihydrazone-based charge transport compounds'20067,063,928'Electrophotographic organophotoreceptors with novel charge transport materials'20067,045,263'Photoreceptor for electrophotography having a salt of an electron transport compound'20067,037,632'Organophotoreceptor with charge transport material with fluorenone azine groups'20067,029,812'Organophotoreceptor with charge transport compound having an epoxy group'20067,026,089'Sulfonyldiphenylene based charge transport compositions'20067,018,757'Photoconductor materials based on complex of charge generating material'20067,014,968'Organophotoreceptor with charge transport material having a thiiranyl group'20067,011,917'Organophotoreceptor with charge transport material having bis(9-fluorenone) azine groups'20067,011,918'Polymeric charge transport compositions for organophotoreceptors'20067,008,743'Organophotoreceptor with charge transport material having a vinyl ether group'20066,991,882'Organophotoreceptor with charge transport compound with hydrazone groups'20066,964,833'Linked dihydrazone-based charge transport compounds'20056,960,418'Organophotoreceptor with charge transport material with two N,N,N-trisubstituted-amino groups'20056,955,869'Organophotoreceptor with a charge transport material having two azine groups'20056,905,804'Electrophotographic organophotoreceptors with novel charge transport materials'20056,899,984'Linked dihydrazone-based charge transport compounds'20056,890,693'Organophotoreceptor with an electron transport layer'20056,869,741'Electrophotographic photoreceptors with novel overcoats'20056,864,025'Sulfonyldiphenylene-based charge transport compositions'20056,864,028'Di-hydrazone based charge transport compounds'20056,835,514'Hydrazone-based charge transport compounds'20046,835,513'Carbazole based charge transport compounds'20046,815,132'Photoconductor materials based on new phase of titanyl phthalocyanine'20046,815,133'Sulfonyldiphenylene based charge transport compositions'20046,768,010'Organophotoreceptor with an epoxy-modified charge transport compound having an azine group'20046,749,978'Electrophotographic organophotoreceptors with novel charge transport compounds'20046,696,209'Electrophotographic organophotoreceptors with novel charge transport compounds'20046,689,523'Electrophotographic organophotoreceptors with novel charge transport compounds'20046,673,499'Organophotoreceptor having an improved ground stripe'20046,340,548'Organophotoreceptors for electrophotography featuring novel charge transport compounds'20026,180,305'Organic photoreceptors for liquid electrophotography'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2002Patents assigned to IMATION CORP (2)· patent assignee history
2001–2009Based in Woodbury, MN, US· patent location history
2004–2009Patents assigned to SAMSUNG ELECTRONICS CO LTD (68)· patent assignee history
2006Patents assigned to SAMSUNG ELECTRIC (1)· patent assignee history
2007–2008Patents assigned to SAMSUNG ELECTRONICS COMPANY (7)· patent assignee history
2008Patents assigned to SAMSUNG ELECTRONIC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG ELECTRONICS CO LTD682004–2009
SAMSUNG ELECTRONICS COMPANY72007–2008
IMATION CORP22001–2002
SAMSUNG ELECTRIC12006
SAMSUNG ELECTRONIC12008
Locations
LocationPatentsSpan
Woodbury, Minnesota, US792001–2009