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Inventor

Toshihiro Katayama

Inventor
Tokuyama, JP

Overview

3→
Patents
1997–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H05Kprimary
H05KPrinted circuits25%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
C08LCompositions of macromolecular compounds13%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices13%
H01BCables13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
11,079,680High heat resistance resist composition and pattern forming method using the same20215,780,143'Circuit board'19985,683,627'Curable electroconductive composition'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to TOKUYAMA CORP (2)· patent assignee history
1997–1998Based in Tokuyama, JP· patent location history
2021Patents assigned to AZ ELECTRONIC MAT LUXEMBOURG SARL (1)· patent assignee history
2021Patents assigned to MERCK PATENT GMBH (1)· patent assignee history
2021Based in Kakegawa-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKUYAMA CORP21997–1998
AZ ELECTRONIC MAT LUXEMBOURG SARL12021
MERCK PATENT GMBH12021
Locations
LocationPatentsSpan
Tokuyama, JP21997–1998
Kakegawa-shi, JP12021