Membership
Tour
Register
Log in
Hayasi Takemori
Follow
Person
Chiba, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Panel fence
Patent number
5,177,890
Issue date
Jan 12, 1993
Iskra Industry Co., Ltd.
Tetu Hisatomi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS