Osami Matsushita

Person

Taira, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic bearing apparatus and rotating machine having such an appa...
- Patent number 5,491,396
- Issue date Feb 13, 1996
- Hitachi, Ltd.
- Naohiko Takahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information 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
Information Patent Grant
Rotary compressor with shaft balancers
- Patent number 5,230,616
- Issue date Jul 27, 1993
- Hitachi, Ltd.
- Yukio Serizawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Mechanism for balancing a rotary magnetic head apparatus
- Patent number 5,051,852
- Issue date Sep 24, 1991
- Hitachi, Ltd.
- Takashi Kohno
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus
- Patent number 5,012,359
- Issue date Apr 30, 1991
- Hitachi, Ltd.
- Takashi Kohno
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Band pass filter device and a method of filtering using such a device
- Patent number 4,992,714
- Issue date Feb 12, 1991
- Hitachi, Ltd.
- Osami Matsushita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information 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
Turbomolecular vacuum pump
- Patent number 4,768,921
- Issue date Sep 6, 1988
- Hitachi, Ltd.
- Ueda Shinjiro
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Turbomolecular pump
- Patent number 4,732,530
- Issue date Mar 22, 1988
- Hitachi, Ltd.
- Shinjiroo Ueda
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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...
Information Patent Grant
Method and apparatus for monitoring cracks of a rotatable body
- Patent number 4,685,335
- Issue date Aug 11, 1987
- Hitachi, Ltd.
- Kazuo Sato
- G01 - MEASURING TESTING
Information Patent Grant
Turbomolecular pump
- Patent number 4,579,508
- Issue date Apr 1, 1986
- Hitachi, Ltd.
- Nobuo Tsumaki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotary fluid machine with thrust bearing mounting unit
- Patent number 4,557,679
- Issue date Dec 10, 1985
- Hitachi, Ltd.
- Hidetomo Mori
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Device for identifying rubbing locations in rotating machines
- Patent number 4,377,947
- Issue date Mar 29, 1983
- Hitachi, Ltd.
- Osami Matsushita
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Osami Matsushita

Person

Patents Grantslast 30 patents

Magnetic bearing apparatus and rotating machine having such an appa...

Method and apparatus for controlling a magnetic bearing

Balancing method for flexible rotor and a balancer applicable to th...

Magnetic bearing control method and apparatus

Rotary compressor with shaft balancers

Mechanism for balancing a rotary magnetic head apparatus

Magnetic disk apparatus

Band pass filter device and a method of filtering using such a device

Electromagnetic bearing control apparatus

Turbomolecular vacuum pump

Turbomolecular pump

Control apparatus for a rotor supported by an electromagnetic bearing

Method and apparatus for monitoring cracks of a rotatable body

Turbomolecular pump

Rotary fluid machine with thrust bearing mounting unit

Device for identifying rubbing locations in rotating machines