Membership
Tour
Register
Log in
Yoshito Yamada
Follow
Person
Sagamihara, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Residual current transformer
Patent number
4,295,112
Issue date
Oct 13, 1981
Mitsubishi Denki Kabushiki Kaisha
Yoshito Yamada
H01 - BASIC ELECTRIC ELEMENTS