Inventor

Fujio Okamura

Inventor
Yokohama, JP

Overview

2→
Patents
1989–1990
Patent span
Physics
Primary field (CPC G)

Patents· 2 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%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to HITACHI LTD (2)· patent assignee history
1989–1990Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21989–1990
Locations
LocationPatentsSpan
Yokohama, JP21989–1990