Shunichiro Akiyama

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Joetsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flexible tube for automotive exhaust systems
- Patent number 5,160,389
- Issue date Nov 3, 1992
- Nippon Stainless Steel Co., Ltd.
- Shunichiro Akiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sheath heater
- Patent number 4,950,873
- Issue date Aug 21, 1990
- Sumitomo Metal Industries, Ltd.
- Yoshiaki Shida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sheath heater
- Patent number 4,742,324
- Issue date May 3, 1988
- Sumitomo Metal Industries Ltd.
- Yoshiaki Shida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing heat-resistant ferritic stainless steel sheet
- Patent number 4,484,956
- Issue date Nov 27, 1984
- Sumitomo Metal Industries, Ltd.
- Yoshiaki Shida
- C21 - METALLURGY OF IRON