Membership
Tour
Register
Log in
Yasuhiko Aihara
Follow
Person
Okayama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Particle for lower layer of coating type magnetic recording medium
Patent number
6,171,692
Issue date
Jan 9, 2001
Dowa Mining Co., Ltd.
Seiichi Hisano
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Particles for lower layer of coating type magnetic recording medium
Patent number
6,040,043
Issue date
Mar 21, 2000
Dowa Mining Co., Ltd.
Seiichi Hisano
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Coating type magnetic recording medium having a multilayer structure
Patent number
5,902,676
Issue date
May 11, 1999
Dowa Mining Co., Ltd.
Seiichi Hisano
G11 - INFORMATION STORAGE