Membership
Tour
Register
Log in
Yutaka Ichiyanagi
Follow
Person
Yokohama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Device for holding a rotatable record disc
Patent number
4,161,003
Issue date
Jul 10, 1979
Sony Corporation
Yutaka Ichiyanagi
G11 - INFORMATION STORAGE