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Inventor

Takashi Ohnaga

Inventor
Kurashiki, JP

Overview

3→
Patents
1991–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds40%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
6,143,826'Polymer blend'20005,200,492'Polymer blends'19935,061,761'Polyvinyl ester macromonomer and its uses'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2000Patents assigned to KURARAY CO (3)· patent assignee history
1991–1993Based in Kurashiki, JP· patent location history
2000Based in Tsukuba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KURARAY CO31991–2000
Locations
LocationPatentsSpan
Kurashiki, JP21991–1993
Tsukuba, JP12000