Membership
Tour
Register
Log in
Yoshinori Yamada
Follow
Person
Fujisawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Transponder and wavelength division-multiplexing optical transmissi...
Patent number
7,020,401
Issue date
Mar 28, 2006
Hitachi, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Transponder and wavelength division-multiplexing optical transmissi...
Publication number
20020159130
Publication date
Oct 31, 2002
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE