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Inventor

Masato Okada

Inventor
Tokyo, JP

Overview

31→
Patents
1988–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 31 as inventor

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

H10Kprimary
H10KOrganic electric solid-state devices14%
H01LSemiconductor devices12%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments8%
H05BElectric heating7%
G02BOptical elements, systems or apparatus6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices5%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
PatentTitleYear
10,640,456Compound and intermediate thereof202010,570,287Non-aqueous dispersant, color material dispersion liquid for color filter, color filter, liquid crystal display device and organic light-emitting display device202010,317,592Color material dispersion liquid for color filters, color material, color filter, liquid crystal display device and organic light-emitting display device20199,708,244'Coloring material and method for producing the same'20179,588,256'Color material dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device and organic light-emitting display device'20179,513,418'Color material dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device, and organic light-emitting display device'20169,391,277'Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer'20169,389,348'Color material, color material dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device and organic light-emitting display device'20169,376,571'Colorant dispersion liquid, method for producing colorant dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device, and organic light-emitting display device'20169,354,367'Color material dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device, and organic light-emitting display device'20169,266,905'Color material and method for producing the same'20169,252,381'Organic electronic device and method for producing the same'20169,155,159'Light emitting device having quantum cut dots with a protecting material and prolonged drive lifetime and good color purity'20159,130,176'Material for hole injection transport layers, ink for forming hole injection transport layers, device, and production methods thereof'20159,102,872'Device material for hole injection transport layer, ink for forming hole injection transport layer, device comprising hole injection transport layer, and method for producing the device'20159,105,859'Device material for hole injection transport layer, ink for forming hole injection transport layer, device comprising hole injection transport layer, and method for producing the device'20159,103,385'Wet friction material'20159,005,722'Color material dispersion liquid, color resin composition for color filters, color filter, liquid crystal display device and organic light-emitting display device'20158,860,009'Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer'20148,785,921'Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer'20148,778,233'Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer'20148,673,185'Device comprising positive hole injection transport layer, method for producing the same and ink for forming positive hole injection transport layer'20148,471,461'Organic electroluminescent device and method for producing the same'20138,084,935'Organic electroluminescent element and display panel using said element'20117,105,258'Charge transport monomer, charge transport material, and process for producing the same'20065,811,242'Marker and reagent for diabetes mellitus and diabetes mellitus complication'19985,366,859'Radioimmunoassay method'19945,082,770'Method for quantitative determination of polyamines'19925,020,067'Semiconductor laser device'19915,018,158'Semiconductor laser device'19914,748,053'Method of forming a uniform resist film by selecting a duration of rotation'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2020Based in Tokyo, JP· patent location history
1991Based in Itami, JP· patent location history
1998Based in Tokuyama, JP· patent location history
2011–2020Patents assigned to DAINIPPON PRINTING CO LTD (22)· patent assignee history
2011–2017Patents assigned to OKADA MASATO (13)· patent assignee history
2013–2016Patents assigned to UENO SHIGEHIRO (9)· patent assignee history
2014–2016Patents assigned to HASHIMOTO KEISUKE (4)· patent assignee history
2014–2015Patents assigned to TAKE SEIJI (4)· patent assignee history
2015Based in Tukuba, JP· patent location history
2015Based in Toyota, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON PRINTING CO LTD222011–2020
OKADA MASATOself132011–2017
UENO SHIGEHIRO92013–2016
HASHIMOTO KEISUKE42014–2016
TAKE SEIJI42014–2015
Locations
LocationPatentsSpan
Tokyo, JP241988–2020
Itami, JP21991
Tukuba, JP12015
Toyota, JP12015
Tokuyama, JP11998