Membership
Tour
Register
Log in
Ginro Takemura
Follow
Person
Okegawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical semiconductor device
Patent number
4,367,483
Issue date
Jan 4, 1983
Hitachi, Ltd.
Takeo Takahashi
G02 - OPTICS