Membership
Tour
Register
Log in
Osamu Hasegawa
Follow
Person
Kawasaki, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor light-emitting device
Patent number
4,354,199
Issue date
Oct 12, 1982
Fujitsu Limited
Osamu Hasegawa
G02 - OPTICS