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Inventor

Kozaburo Nagata

Inventor
Kusatsu, JP

Overview

4→
Patents
1977–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 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%
C08JWorking-up17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
5,994,421'Water-absorbent resin dispersion and polyurethane composition'19995,459,172'Process for manufacturing polyurethane foams'19954,299,924'Polyisocyanurate resin and process for making the same'19814,026,829'Flexible polyurethane foam'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1999Patents assigned to SANYO CHEMICAL IND LTD (3)· patent assignee history
1977–1995Based in Kusatsu, JP· patent location history
1981Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
1999Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANYO CHEMICAL IND LTD31977–1999
TOYOTA MOTOR CO LTD11981
Locations
LocationPatentsSpan
Kusatsu, JP31977–1995
Kyoto, JP11999