Membership
Tour
Register
Log in
Yuji Ikegami
Follow
Person
Kanagawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Circuit board
Patent number
4,677,252
Issue date
Jun 30, 1987
Sony Corporation
Satoshi Takahashi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR