Sadao Sato

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing ag-oxide-based electric contact material a...
- Patent number 7,189,656
- Issue date Mar 13, 2007
- Tokuriki Honten Co. Ltd.
- Sadao Sato
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electric contact with base metal
- Patent number 5,140,114
- Issue date Aug 18, 1992
- Fuji Electric Co., Ltd.
- Mitsuo Sunaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anhydride herbicides
- Patent number 4,897,104
- Issue date Jan 30, 1990
- Sankyo Company Limited
- Tatsuo Haneishi
- C07 - ORGANIC CHEMISTRY