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Jiro Tominaga
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Hikari, JP
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last 30 patents
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Patent Grant
Non-magnetic high hardness austenitic stainless steel
Patent number
4,851,059
Issue date
Jul 25, 1989
Nippon Steel Corp.
Hidehiko Sumitomo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High-tension high-toughness steel having excellent resistance to de...
Patent number
4,537,644
Issue date
Aug 27, 1985
Nippon Steel Corporation
Jiro Tominaga
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for direct heat treating austenitic stainless steel wire rod
Patent number
4,360,390
Issue date
Nov 23, 1982
Nippon Steel Corporation
Jiro Tominaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for direct heat treating hot rolled steel wire rod
Patent number
4,314,860
Issue date
Feb 9, 1982
Nippon Steel Corporation
Jiro Tominaga
C21 - METALLURGY OF IRON