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Inventor

Keigo Naito

Inventor
Tokyo, JP

Overview

2→
Patents
1994–2021
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds17%
C07DHeterocyclic compounds17%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%
H01LSemiconductor devices17%
H10KOrganic electric solid-state devices17%
PatentTitleYear
10,950,797Organic electroluminescent device20215,279,922'Light-sensitive coating liquid'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to KONISHIROKU PHOTO IND (1)· patent assignee history
1994Patents assigned to MITSUBISHI CHEM IND (1)· patent assignee history
1994Based in Suwa, JP· patent location history
2021Patents assigned to HODOGAYA CHEMICAL CO LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HODOGAYA CHEMICAL CO LTD12021
KONISHIROKU PHOTO IND11994
MITSUBISHI CHEM IND11994
Locations
LocationPatentsSpan
Tokyo, JP12021
Suwa, JP11994