Minoru Hirano

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
High hardness and high toughness nitriding powder metallurgical hig...
- Patent number 4,671,930
- Issue date Jun 9, 1987
- Kabushiki Kaisha Kobe Seiko Sho
- Nobuyasu Kawai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High hardness and high toughness nitriding powder metallurgical hig...
- Patent number 4,599,109
- Issue date Jul 8, 1986
- Kabushiki Kaisha Kobe Seiko Sho
- Nobuyasu Kawai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Nitrogen containing high speed steel obtained by powder metallurgic...
- Patent number 4,121,929
- Issue date Oct 24, 1978
- Kobe Steel, Ltd.
- Nobuyasu Kawai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...