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Yoshiaki Shimoyama
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Kitakyusyushi, JP
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last 30 patents
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Patent Grant
Process for producing a semi-processed non-oriented electrical stee...
Patent number
4,851,056
Issue date
Jul 25, 1989
Nippon Steel Corporation
Kunisuke Miyoshi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the production of oriented silicon steel sheet having ex...
Patent number
4,797,167
Issue date
Jan 10, 1989
Nippon Steel Corporation
Hisanobu Nakayama
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet having a low watt loss and a hi...
Patent number
4,666,534
Issue date
May 19, 1987
Nippon Steel Corporation
Kunisuke Miyoshi
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet having a low watt loss and a hi...
Patent number
4,661,174
Issue date
Apr 28, 1987
Nippon Steel Corporation
Kunisuke Miyoshi
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing a non-oriented electromagnetic steel sheet ha...
Patent number
4,560,423
Issue date
Dec 24, 1985
Nippon Steel Corporation
Yoshiaki Shimoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing steel for an electrical steel sheet
Patent number
4,555,264
Issue date
Nov 26, 1985
Nippon Steel Corporation
Takeaki Takeshita
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Non-oriented electric iron sheet and method for producing the same
Patent number
4,439,251
Issue date
Mar 27, 1984
Nippon Steel Corporation
Yoshiaki Shimoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented silicon steel sheet with stable magnetic properties
Patent number
4,338,143
Issue date
Jul 6, 1982
Nippon Steel Corporation
Yoshiaki Shimoyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for continuously casting slab for manufacturing grain-orient...
Patent number
4,280,837
Issue date
Jul 28, 1981
Nippon Steel Corporation
Morio Shiozaki
B22 - CASTING POWDER METALLURGY