LexDanaLexDanabeta
Inventor

Eisaku Katoh

Inventor
Hachioji, JP

Overview

48→
Patents
1992–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 48 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
H10KOrganic electric solid-state devices20%
H05BElectric heating16%
H01LSemiconductor devices10%
C07DHeterocyclic compounds10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B41MPrinting, duplicating, marking, or copying processes4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
G03CPhotosensitive materials for photographic purposes3%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%
PatentTitleYear
10,109,800Organic electroluminescent element, display device and lighting device201810,017,691Organic electroluminescent element, display device and lighting device20189,780,322'Organic electroluminescent element'20179,692,000'Organic electroluminescent element, display device and illuminating device'20179,634,276'Organic electroluminescent element, display device and illuminating device'20179,634,275'Organic electroluminescent element, display device and illuminating device'20179,627,630'Organic electroluminescent element, display device and lighting device'20179,617,255'Organic electroluminescent element, and illumination device and display device each comprising the element'20179,590,188'Organic electroluminescent element, display device and lighting device'20179,428,687'Organic electroluminescent element, illuminator and display'20169,379,337'Organic electroluminescent element material, organic electroluminescent element, display device, and lighting device'20169,293,715'Organic electroluminescent element, display device and lighting device'20169,099,659'Organic electroluminescent element material, organic electroluminescent element, display device, and lighting device'20159,090,819'Organic electroluminescent element, display device, illuminating device and condensed polycyclic heterocyclic compound'20159,048,434'Organic electroluminescent element, display device and lighting device'20158,951,650'Organic electroluminescent element including a condensed aromatic heterocyclic ring compound'20158,920,942'Organic electroluminescent element, display device and illuminating device'20148,808,874'Organic electroluminescent element, illuminator and display'20148,790,793'Organic electroluminescent element with electron transport layer containing condensed aromatic heterocyclic compound, display device and lighting device'20148,778,509'Organic electroluminescence element, display device and lighting device'20148,778,506'Organic electroluminescent element, white light emission element, full color display device and lighting device'20148,778,507'Organic electroluminescent device, display and illuminating device'20148,728,633'Organic electroluminescent element, illuminator and display'20148,633,316'Producing method of nitrogen containing condensed heterocyclic compound'20148,592,057'Organic electroluminescence element, new compound for the same, display device and lighting device using the same'20138,541,112'Organic electroluminescent element, display device and lighting device'20138,367,224'Organic electroluminescence element, new compound for the same, display device and lighting device using the same'20138,247,089'Organic electroluminescence element material, organic electroluminescence element, display device and lighting apparatus'20128,192,847'Organic electroluminescent device material, organic electroluminescent device, display and illuminating device'20128,133,597'Organic electroluminescent device, display and illuminating device'20128,101,699'Electron-transporting polymers'20127,862,909'Organic electroluminescent element, illuminator and display'20117,790,890'Organic electroluminescence element material, organic electroluminescence element, display device and illumination device'20107,749,619'Organic electroluminescent element and display'20107,740,955'Organic electroluminescent device and display'20107,387,381'Ink jet recording sheet and image forming method'20087,371,469'Organic electroluminescent element, illuminator and display'20087,326,475'Material for organic electroluminescent device, organic electroluminescent device, illuminating device and display'20087,090,903'Ink-jet recording sheet'20066,761,942'Ink jet recording sheet'20046,699,536'Ink jet recording sheet'20046,576,326'Ink jet recording sheet'20035,994,021'Thermographic material and recording method'19995,789,135'Light-and heat-sensitive recording material and recording method by use thereof'19985,789,618'Synthetic method for a halogen-containing condensation product'19985,380,639'Silver halide color photographic material'19955,221,599'Silver halide photographic light sensitive material'19935,169,749'Photographic materials with couplers containing protected formyl groups'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2004Patents assigned to KONISHIROKU PHOTO IND (9)· patent assignee history
1992–2004Based in Hino, JP· patent location history
1993–2018Based in Hachioji, JP· patent location history
2008–2016Patents assigned to KONICA MINOLTA HOLDINGS INC (22)· patent assignee history
2010–2018Based in Tokyo, JP· patent location history
2012–2017Patents assigned to KATOH EISAKU (20)· patent assignee history
2012–2016Patents assigned to OTSU SHINYA (11)· patent assignee history
2015–2018Patents assigned to KONICA MINOLTA INC (14)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONICA MINOLTA HOLDINGS INC222008–2016
KATOH EISAKUself202012–2017
KONICA MINOLTA INC142015–2018
OTSU SHINYA112012–2016
KONISHIROKU PHOTO IND91992–2004
Locations
LocationPatentsSpan
Hachioji, JP261993–2018
Tokyo, JP142010–2018
Hino, JP81992–2004