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Takashi Kusano
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Vacuum interrupter and vacuum switch thereof
Patent number
6,346,683
Issue date
Feb 12, 2002
Kabushiki Kaisha Toshiba
Tsutomu Okutomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contact material for contacts for vacuum interrupter and method of...
Patent number
6,303,076
Issue date
Oct 16, 2001
Kabushiki Kaisha Toshiba
Atsushi Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contact material
Patent number
6,210,809
Issue date
Apr 3, 2001
Kabushiki Kaisha Toshiba
Tsutomu Okutomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum valve
Patent number
6,107,582
Issue date
Aug 22, 2000
Kabushiki Kaisha Toshiba
Tsutomu Okutomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Contact material for vacuum interrupter and method for producing th...
Patent number
6,027,821
Issue date
Feb 22, 2000
Kabushiki Kaisha Toshiba
Atsushi Yamamoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Contact material for vacuum valve
Patent number
5,972,068
Issue date
Oct 26, 1999
Kabushiki Kaisha Toshiba
Tsuneyo Seki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Contact material for vacuum valve and method of manufacturing the same
Patent number
5,882,448
Issue date
Mar 16, 1999
Kabushiki Kaisha Toshiba
Tsuneyo Seki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Contact material for vacuum valve and method of manufacturing the same
Patent number
5,698,008
Issue date
Dec 16, 1997
Kabushiki Kaisha Toshiba
Tsuneyo Seki
B22 - CASTING POWDER METALLURGY