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Inventor

Yutaka Asakawa

Inventor
Tokyo, JP

Overview

3→
Patents
1979–1988
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds33%
C08LCompositions of macromolecular compounds17%
G11BInformation storage based on relative movement between record carrier and transducer17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
4,736,010'Epoxy resin curing composition'19884,689,390'Curable epoxy resin composition'19874,135,036'Process for production of magnetic recording media and recording media'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to FUJI PHOTO FILM CO LTD (1)· patent assignee history
1979–1988Based in Tokyo, JP· patent location history
1987–1988Patents assigned to ACR CO LTD (2)· patent assignee history
1987–1988Patents assigned to ASAHI DENKA KOGYO KK (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ACR CO LTD21987–1988
ASAHI DENKA KOGYO KK21987–1988
FUJI PHOTO FILM CO LTD11979
Locations
LocationPatentsSpan
Tokyo, JP31979–1988