Membership
Tour
Register
Log in
Michiaki Kotsuka
Follow
Person
Chiba, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Programmable controller
Patent number
D307740
Issue date
May 8, 1990
Hitachi, Ltd.
Masato Shibayama
D13 - Equipment for production, distribution, or transformation of energy