Masao Okano

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Patents Grantslast 30 patents

Information Patent Grant
Copper alloys of excellent corrosion resistance, moldability and wo...
- Patent number 4,113,474
- Issue date Sep 12, 1978
- Toyo Valve Company, Ltd.
- Masao Okano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Copper alloys with improved corrosion resistance and machinability
- Patent number 4,101,317
- Issue date Jul 18, 1978
- Toyo Valve Co., Ltd.
- Masao Okano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...