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Inventor

Shozo Makagawa

Inventor
Tokyo, JP

Overview

1→
Patents
1989
Patent span
Physics
Primary field (CPC G)

Patents· 1 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 transducer50%
H04NPictorial communication, e.g. television50%
PatentTitleYear
4,802,021'Recording and/or reproducing apparatus using opto-magnetic disc'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to ASAKA CO LTD (1)· patent assignee history
1989Patents assigned to NIKON CORP (1)· patent assignee history
1989Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAKA CO LTD11989
NIKON CORP11989
Locations
LocationPatentsSpan
Tokyo, JP11989