Hidekazu Harada

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Shimonoseki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copper alloy and production of the same
- Patent number 4,656,003
- Issue date Apr 7, 1987
- Kabushiki Kaisha Kobe Seiko Sho
- Motohisa Miyafuji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Lead materials for semiconductor devices
- Patent number 4,591,484
- Issue date May 27, 1986
- Kabushiki Kaisha Kobe Seiko Sho
- Motohisa Miyafuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Copper alloys for electric and electronic devices and method for pr...
- Patent number 4,430,298
- Issue date Feb 7, 1984
- Kabushiki Kaisha Kobe Seiko Sho
- Motohisa Miyafuji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...