Masakazu Hayaishi

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Free-cutting steel
- Patent number 6,773,661
- Issue date Aug 10, 2004
- Daido Steel Co., Ltd.
- Masakazu Hayaishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steel for machine structural use having good machinability and chip...
- Patent number 6,764,645
- Issue date Jul 20, 2004
- Diado Steel Co., Ltd.
- Masakazu Hayaishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Free-cutting steel
- Patent number 6,649,125
- Issue date Nov 18, 2003
- Daido Steel Co., Ltd.
- Masakazu Hayaishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Non-heat treated steel for connecting rod and connecting rod formed...
- Publication number 20070098589
- Publication date May 3, 2007
- NISSAN MOTOR CO., LTD.
- Isseki Aihara
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Steel for machine structural use excellent in friability of chips
- Publication number 20050265886
- Publication date Dec 1, 2005
- Masakazu Hayaishi
- C21 - METALLURGY OF IRON
Information Patent Application
Free-cutting steel
- Publication number 20030072673
- Publication date Apr 17, 2003
- Masakazu Hayaishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Free-cutting steel
- Publication number 20030072672
- Publication date Apr 17, 2003
- Masakazu Hayaishi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...