Inventor

Kouichi Kawasumi

Inventor

Kanagawa, JP

Overview

1982

Patent span

Physics

Primary field (CPC G)

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer50%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests50%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to SONY CORP (1)· patent assignee history

1982Based in Kanagawa, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	1	1982

Locations

Location	Patents	Span
Kanagawa, JP	1	1982