Membership
Tour
Register
Log in
Satoshi Yanagawa
Follow
Person
Kanagawa, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Photo-taking lens having a filter
Patent number
5,225,936
Issue date
Jul 6, 1993
Canon Kabushiki Kaisha
Muneharu Sugiura
G02 - OPTICS