Membership
Tour
Register
Log in
Akio Sohma
Follow
Person
Hitachi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Fuel cell
Patent number
4,781,996
Issue date
Nov 1, 1988
Hitachi, Ltd.
Hajime Toriya
H01 - BASIC ELECTRIC ELEMENTS