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Yoshinobu Takegawa
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Kadoma, JP
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last 30 patents
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Patent Grant
Method of fabricating an electrode for a discharge lamp and the ele...
Patent number
5,256,095
Issue date
Oct 26, 1993
Matsushita Electric Works, Ltd.
Yoshinobu Takegawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silver base electrical contact material and method of making the same
Patent number
5,198,015
Issue date
Mar 30, 1993
Matsushita Electric Works, Ltd.
Koji Tsuji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rapid solidification of metal-metal composites having Ag, Au or Cu...
Patent number
5,022,932
Issue date
Jun 11, 1991
Matsushita Electric Works, Ltd.
Shuji Yamada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Shape memory alloy and electric path protective device utilizing th...
Patent number
5,001,446
Issue date
Mar 19, 1991
Matsushita Electric Works, Ltd.
Koji Tsuji
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite conductive material
Patent number
4,911,769
Issue date
Mar 27, 1990
Matsushita Electric Works, Ltd.
Shuji Yamada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electrical contact material and method of preparing same
Patent number
4,908,158
Issue date
Mar 13, 1990
Matsushita Electric Works, Ltd.
Koji Tsuji
H01 - BASIC ELECTRIC ELEMENTS