Hisao Fujikawa

Person

Amagasaki, JP

People

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
High temperature oxidation resistant austenitic steel
- Patent number 4,530,720
- Issue date Jul 23, 1985
- Sumitomo Metal Industries, Ltd.
- Taishi Moroishi
- 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
Information Patent Grant
Low carbon Ni-Cr austenitic steel having an improved resistance to...
- Patent number 4,201,574
- Issue date May 6, 1980
- Sumitomo Metal Industries, Ltd.
- Masamichi Kowaka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ferritic stainless steel having improved weldability and oxidation...
- Patent number 4,140,526
- Issue date Feb 20, 1979
- Sumitomo Metal Industries, Ltd.
- Taishi Moroishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Hisao Fujikawa

Person

Patents Grantslast 30 patents

Flexible tube for automotive exhaust systems

Sheath heater

Sheath heater

High temperature oxidation resistant austenitic steel

Process for producing heat-resistant ferritic stainless steel sheet

Low carbon Ni-Cr austenitic steel having an improved resistance to...

Ferritic stainless steel having improved weldability and oxidation...