Membership
Tour
Register
Log in
Kohsho Ohshima
Follow
Person
Yamatokoriyama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Sound producing device
Patent number
4,746,905
Issue date
May 24, 1988
Matsushita Electric Industrial Co., Ltd.
Masanori Harima
G10 - MUSICAL INSTRUMENTS ACOUSTICS