Inventor

Kiyoshi Yasumura

Inventor

Yokohama, JP

Overview

1989

Patent span

Chemistry

Primary field (CPC C)

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

C08Jprimary

C08JWorking-up25%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients25%

G11BInformation storage based on relative movement between record carrier and transducer25%

Y10TTechnical subjects covered by former us classification25%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to DIAFOIL CO LTD (1)· patent assignee history

1989Based in Yokohama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DIAFOIL CO LTD	1	1989

Locations

Location	Patents	Span
Yokohama, JP	1	1989