Membership
Tour
Register
Log in
Touru Shinagawa
Follow
Person
Ibaragi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Reader and writer for an IC card
Patent number
4,767,920
Issue date
Aug 30, 1988
Hitachi Maxell, Ltd.
Kenichi Kitta
G06 - COMPUTING CALCULATING COUNTING