Membership
Tour
Register
Log in
Susumu Otsuka
Follow
Person
Katsuta, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for multiplex recording and reproduction of audio and vid...
Patent number
4,691,246
Issue date
Sep 1, 1987
Hitachi, Ltd.
Kuniaki Miura
H04 - ELECTRIC COMMUNICATION TECHNIQUE