Membership
Tour
Register
Log in
Shoichiro Furuta
Follow
Person
Aza-Gohigashi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method for dirtproofing treatment for plastic lens
Patent number
4,944,962
Issue date
Jul 31, 1990
Ito Optical Industrial Co., Ltd.
Shoichiro Furuta
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL