Inventor

Fumio Imagawa

Inventor

Hachioji, JP

Overview

1977

Patent span

Physics

Primary field (CPC G)

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

G03Hprimary

G03HHolographic processes or apparatus33%

G11BInformation storage based on relative movement between record carrier and transducer33%

H04NPictorial communication, e.g. television33%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to HITACHI LTD (1)· patent assignee history

1977Based in Hachioji, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	1	1977

Locations

Location	Patents	Span
Hachioji, JP	1	1977