Masahiro Yokoo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing injection-molded sinterings by powder metallurgy
- Patent number 5,135,712
- Issue date Aug 4, 1992
- Sumitomo Metal Mining Company Limited
- Yoshio Kijima
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Organic electroluminescent element substrate, and organic electrolu...
- Publication number 20090322210
- Publication date Dec 31, 2009
- Masahiro Yokoo
- H01 - BASIC ELECTRIC ELEMENTS