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Mitsuho Yoneyama
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Ibaraki, JP
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last 30 patents
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Patent Grant
Method and apparatus for controlling a magnetic bearing
Patent number
5,486,729
Issue date
Jan 23, 1996
Hitachi, Ltd.
Osami Matsushita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Balancing method for flexible rotor and a balancer applicable to th...
Patent number
5,408,875
Issue date
Apr 25, 1995
Hitachi, Ltd.
Osami Matsushita
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic bearing control method and apparatus
Patent number
5,256,952
Issue date
Oct 26, 1993
Hitachi, Ltd.
Mitsuho Yoneyama
G05 - CONTROLLING REGULATING
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Patent Grant
Electromagnetic bearing control apparatus
Patent number
4,841,212
Issue date
Jun 20, 1989
Hitachi, Ltd.
Osami Matsushita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Control apparatus for a rotor supported by an electromagnetic bearing
Patent number
4,697,128
Issue date
Sep 29, 1987
Hitachi, Ltd.
Osami Matsushita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...