Membership
Tour
Register
Log in
Hajime Takayama
Follow
Person
Edogawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing a container cap with a concealed mark
Patent number
4,684,426
Issue date
Aug 4, 1987
Shibazaki Seisakusho Ltd.
Hajime Takayama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL