Inventor

Isao Oshiumi

Inventor

Tokyo, JP

Overview

5→

Patents

1998–2017

Patent span

Physics

Primary field (CPC G)

Patents· 5 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 elsewhere31%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein31%

G02BOptical elements, systems or apparatus23%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments15%

PatentTitleYear

9,593,280'Liquid crystal display device'2017 9,487,700'Liquid crystal display device'2016 9,442,321'Liquid crystal display device'2016 9,441,158'Liquid crystal display device'2016 5,788,759'.delta.-indanthrone blue pigment and manufacturing method therefor'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2017Patents assigned to DAINIPPON INK & CHEMICALS (5)· patent assignee history

1998Based in Katori-gun, JP· patent location history

2016–2017Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DAINIPPON INK & CHEMICALS	5	1998–2017

Locations

Location	Patents	Span
Tokyo, JP	4	2016–2017
Katori-gun, JP	1	1998