Yoshimitsu Sawazono

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Patents Grantslast 30 patents

Information Patent Grant
Material for decorative parts
- Patent number 8,992,657
- Issue date Mar 31, 2015
- Sumitomo Electric Hardmetal Corp.
- Yoshimitsu Sawazono
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
ROD, DRILL BIT BODY, ROD MANUFACTURING METHOD, AND DRILL MANUFACTUR...
- Publication number 20190233923
- Publication date Aug 1, 2019
- SUMITOMO ELECTRIC HARDMETAL CORP.
- Takahiro Yamakawa
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MATERIAL FOR DECORATIVE PARTS
- Publication number 20130087019
- Publication date Apr 11, 2013
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Yoshimitsu Sawazono
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...