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Inventor

Toichi Sakata

Inventor
Katsuta, JP

Overview

2→
Patents
1990–1991
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds67%
C07KPeptides33%
PatentTitleYear
5,047,499'Process for the production of high molecular weight polyamide-imide resin'19914,954,612'Solvent-soluble polyimide and production thereof'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to HITACHI CHEMICAL CO LTD (2)· patent assignee history
1990–1991Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CHEMICAL CO LTD21990–1991
Locations
LocationPatentsSpan
Katsuta, JP21990–1991