Membership
Tour
Register
Log in
Haruhiko Tanaka
Follow
Person
Saitama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Front-loading record player
Patent number
4,539,669
Issue date
Sep 3, 1985
Pioneer Electric Corporation
Tsutomu Miyakawa
G11 - INFORMATION STORAGE