Membership
Tour
Register
Log in
Kenichi Chihara
Follow
Person
Yokohama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Flexible magnetic diskette
Patent number
4,920,441
Issue date
Apr 24, 1990
Nippon Telegraph and Telehpone Corp.
Takashi Kimura
G11 - INFORMATION STORAGE