Membership
Tour
Register
Log in
Japan Eng. Co., Ltd.
Follow
Organization
Tokyo, JA
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Process for producing activated carbon
Patent number
3,950,267
Issue date
Apr 13, 1976
Japan Eng. Co., Ltd.
Hideo Arakawa
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Trademark
last 30 trademarks