Membership
Tour
Register
Log in
Hisashi Yamasaki
Follow
Person
Kawasaki, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Stoichiometric B1-type tantalum nitride and a sintered body thereof...
Patent number
5,306,320
Issue date
Apr 26, 1994
Toshiba Tungaloy Co., Ltd.
Tsutomu Mashimo
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Stoichiometric B1-type tantalum nitride and a sintered body thereof...
Patent number
5,201,923
Issue date
Apr 13, 1993
Toshiba Tungaloy Co., Ltd.
Tsutomu Mashimo
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES