Membership
Tour
Register
Log in
Shigeki Azuma
Follow
Person
Kobe, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Austenitic stainless steel having excellent sulfuric acid corrosion...
Patent number
6,171,547
Issue date
Jan 9, 2001
Sumitomo Metal Industries, Ltd.
Masayuki Sagara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Stainless steel for ozone added water and manufacturing method thereof
Patent number
5,944,917
Issue date
Aug 31, 1999
Sumitomo Metal Industries, Ltd.
Kiyoko Takeda
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Duplex stainless steel excellent in corrosion resistance
Patent number
5,672,215
Issue date
Sep 30, 1997
Sumitomo Metal Industries, Ltd.
Shigeki Azuma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for minimizing surface roughening of tungsten-containing rol...
Patent number
5,409,551
Issue date
Apr 25, 1995
Sumitomo Metal Industries, Ltd.
Shigeki Azuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Duplex stainless steel having improved corrosion resistance
Patent number
5,284,530
Issue date
Feb 8, 1994
Sumitomo Metal Industries, Ltd.
Shigeki Azuma
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...