Membership
Tour
Register
Log in
Tokitsugu Houjo
Follow
Person
Nagaokakyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Silver halide photographic emulsion containing predominantly silver...
Patent number
4,863,843
Issue date
Sep 5, 1989
Mitsubishi Paper Mills, Ltd.
Masao Okushima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY