Membership
Tour
Register
Log in
Takashi Kogo
Follow
Person
Yokohama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Fiber optical amplifier
Patent number
5,125,066
Issue date
Jun 23, 1992
Sumitomo Electric Industries, Ltd.
Yoichi Ishiguro
G02 - OPTICS