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Inventor

Akinori Nisizawa

Inventor
Saku, JP

Overview

3→
Patents
1992–1993
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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 transducer75%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,182,693'Magnetic disk'19935,160,761'Method for making a magnetic disk'19925,140,486'Magnetic recording and reproduction'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to TDK CORP (3)· patent assignee history
1992–1993Based in Saku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP31992–1993
Locations
LocationPatentsSpan
Saku, JP31992–1993