Membership
Tour
Register
Log in
Naomi Ishida
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Control apparatus for game machines
Patent number
4,964,638
Issue date
Oct 23, 1990
Kabushiki Kaisha Universal
Naomi Ishida
G07 - CHECKING-DEVICES