Membership
Tour
Register
Log in
Masato Shigematsu
Follow
Person
Sakai, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Cigarette filter comprising grape proanthocyanidin
Patent number
7,302,954
Issue date
Dec 4, 2007
Daicel Chemical Industries, Ltd.
Masato Shigematsu
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES