Membership
Tour
Register
Log in
Ichirou Ishikawa
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Vocal game apparatus
Patent number
4,770,416
Issue date
Sep 13, 1988
Tomy Kogyo Co., Inc.
Yousuke Shimizu
A63 - SPORTS GAMES AMUSEMENTS