Membership
Tour
Register
Log in
Fujiyo Mandai
Follow
Person
Hamamatsu, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electronic musical instrument having plural component blocks
Patent number
4,936,185
Issue date
Jun 26, 1990
Yamaha Corporation
Yorihisa Yamaguchi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electrical educational toy
Patent number
4,869,701
Issue date
Sep 26, 1989
Yamaha Corporation
Hiroyuki Kawai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS