LexDanaLexDanabeta
Inventor

Yoshiteru Ohta

Inventor
Ibaraki, JP

Overview

8→
Patents
1995–2006
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments46%
C07CAcyclic or carbocyclic compounds15%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C08LCompositions of macromolecular compounds8%
D06PDyeing or printing textiles8%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices8%
H05KPrinted circuits8%
PatentTitleYear
7,070,715'Disazo compound or salt thereof and polarizing film using the same'20066,699,976'Polyazo compound or salt thereof and dye-based polarization film containing the same'20046,696,909'Circuit module and method for mounting the same'20046,399,752'Polyazo compound or salt thereof and dye-based polarization film containing the same'20026,284,863'Polymers having O-substituted vinylphenol unit and resist compositions containing them'20016,015,885'Polyazo compound and method for dyeing or textileprinting fiber material using the same'20005,998,591'Fiber-reactive bisazo compound'19995,463,032'Bisazo compounds and method for dyeing or printing fiber materials using the same'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2006Patents assigned to SUMITOMO CHEMICAL CO (7)· patent assignee history
1995–2001Based in Ibaraki, JP· patent location history
2002–2004Based in Nara, JP· patent location history
2004Patents assigned to MURATA MANUFACTURING CO (1)· patent assignee history
2004Based in Kyoto, JP· patent location history
2006Based in Ikoma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO71995–2006
MURATA MANUFACTURING CO12004
Locations
LocationPatentsSpan
Ibaraki, JP41995–2001
Nara, JP22002–2004
Ikoma, JP12006
Kyoto, JP12004