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Yoshio Ishida
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Mobara, JP
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last 30 patents
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Patent Grant
Magnetron pole piece assembly
Patent number
4,177,402
Issue date
Dec 4, 1979
Hitachi, Ltd.
Yoshio Ishida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetron magnet assembly
Patent number
4,175,245
Issue date
Nov 20, 1979
Hitachi, Ltd.
Yoshio Ishida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetron tubes cathode support
Patent number
4,169,987
Issue date
Oct 2, 1979
Hitachi, Ltd.
Tomokatsu Oguro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetron comprising ferromagnetic material members axially magneti...
Patent number
4,166,235
Issue date
Aug 28, 1979
Hitachi, Ltd.
Seizi Yamashita
H01 - BASIC ELECTRIC ELEMENTS