Membership
Tour
Register
Log in
Akihisa Ogawa
Follow
Person
Yokohama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Rolling game machine
Patent number
5,639,087
Issue date
Jun 17, 1997
Konami Co., Ltd.
Akihisa Ogawa
G07 - CHECKING-DEVICES