Membership
Tour
Register
Log in
Tsunao Shima
Follow
Person
Ikoma, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of gas carburizing and hardening
Patent number
4,836,864
Issue date
Jun 6, 1989
Chugai Ro Co., Ltd.
Koji Murakami
C21 - METALLURGY OF IRON
Information
Patent Grant
Continuous furnace for gas carburizing and hardening
Patent number
4,807,853
Issue date
Feb 28, 1989
Chugai Ro Co., Ltd.
Koji Murakami
C21 - METALLURGY OF IRON