Membership
Tour
Register
Log in
Sotaro Hiroshima
Follow
Person
Chigasaki, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Radio paging system
Patent number
5,751,935
Issue date
May 12, 1998
Hitachi, Ltd.
Takafumi Kojima
H04 - ELECTRIC COMMUNICATION TECHNIQUE