Hiroyuki Amma

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metallic powder-molded body, re-compacted body of the molded body,...
- Patent number 6,905,530
- Issue date Jun 14, 2005
- Unisia Jecs Corporation
- Takashi Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metallic powder molding material and its re-compression molded body...
- Patent number 6,503,443
- Issue date Jan 7, 2003
- Unisia Jecs Corporation
- Takashi Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Sintered powder metal bodies and process for producing the same
- Patent number 6,159,266
- Issue date Dec 12, 2000
- Unisia Jecs Corporation
- Takashi Yoshimura
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Production method of high density iron based forged part
- Publication number 20030215349
- Publication date Nov 20, 2003
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Naomichi Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Metallic powder-molded body, re-compacted body of the molded body,...
- Publication number 20020159908
- Publication date Oct 31, 2002
- UNISIA JECS CORPORATION
- Takashi Yoshimura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...