Membership
Tour
Register
Log in
Naoki Yamaguchi
Follow
Person
Nagoya, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Artistic toy
Patent number
4,986,756
Issue date
Jan 22, 1991
Nichigan Co. Ltd.
Naoki Yamaguchi
A63 - SPORTS GAMES AMUSEMENTS