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Inventor

Eiji Otsuki

Inventor
JP

Overview

2→
Patents
2022–2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers18%
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
B82YSpecific uses or applications of nanostructures9%
C07CAcyclic or carbocyclic compounds9%
C07DHeterocyclic compounds9%
G02BOptical elements, systems or apparatus9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
H01LSemiconductor devices9%
H10KOrganic electric solid-state devices9%
PatentTitleYear
12,344,752Ink composition, light conversion layer, and color filter202511,322,695Ink composition for organic light-emitting device, organic light-emitting device including film formed by using the ink composition, and method of manufacturing the organic light-emitting device2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to DAINIPPON INK & CHEMICALS (2)· patent assignee history
2022Patents assigned to SAMSUNG ELECTRONICS CO LTD (1)· patent assignee history
2022–2025Based in JP· patent location history
2025Patents assigned to TOPPAN HOLDINGS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON INK & CHEMICALS22022–2025
SAMSUNG ELECTRONICS CO LTD12022
TOPPAN HOLDINGS INC12025
Locations
LocationPatentsSpan
JP22022–2025