Membership
Tour
Register
Log in
Kiyoshi Matsumoto
Follow
Person
Chiba, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical communication light source unit and wavelength monitoring c...
Patent number
7,869,717
Issue date
Jan 11, 2011
Nippon Telegraph and Telephone Corporation
Shingo Kawai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Optical Communication Light Source Unit and Wavelength Monitoring C...
Publication number
20090161708
Publication date
Jun 25, 2009
Nippon Telegraph and Telephone Corporation
Shingo Kawai
H01 - BASIC ELECTRIC ELEMENTS