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Inventor

Mitsunobu Fujikawa

Inventor
Kanagawa, JP

Overview

2→
Patents
1983–1990
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 transducer33%
H04NPictorial communication, e.g. television33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
4,935,815'Scanconverter system with superimposing apparatus'19904,420,779'Automatic cassette changer'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1990Patents assigned to SONY CORP (2)· patent assignee history
1983Based in Tokyo, JP· patent location history
1990Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP21983–1990
Locations
LocationPatentsSpan
Kanagawa, JP11990
Tokyo, JP11983