Membership
Tour
Register
Log in
Osamu Yumoto
Follow
Person
Kokubunji, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Variable equalizer
Patent number
4,459,698
Issue date
Jul 10, 1984
Hitachi, Ltd.
Osamu Yumoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE