Yoshio Kijima

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Setagaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing a soft magnetic body of an iron-nickel alloy
- Patent number 5,147,601
- Issue date Sep 15, 1992
- Sumitomo Metal Mining Co., Ltd.
- Akihito Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Injection-molded sintered alloy steel product
- Patent number 5,141,554
- Issue date Aug 25, 1992
- Sumitomo Metal Mining Co., Ltd.
- Yoshio Kijima
- B22 - CASTING POWDER METALLURGY
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
Information Patent Grant
Method for production of injection molded powder metallurgy product
- Patent number 5,045,276
- Issue date Sep 3, 1991
- Sumitomo Metal Mining Company Limited
- Yoshio Kijima
- B08 - CLEANING
Information Patent Grant
Sintering metal powder and a process for making a sintered metal pr...
- Patent number 4,948,426
- Issue date Aug 14, 1990
- Sumitomo Metal Mining Company Limited
- Yutaka Kato
- B22 - CASTING POWDER METALLURGY