Inventor

Kin-ichi Shirakawa

Inventor

Ibaraki, JP

Overview

1976

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds25%

D21HPulp compositions25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%

Y10TTechnical subjects covered by former us classification25%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (1)· patent assignee history

1976Based in Ibaraki, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAKEDA CHEMICAL INDUSTRIES LTD	1	1976

Locations

Location	Patents	Span
Ibaraki, JP	1	1976