Minoru Hiroshima

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Ushiku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pressure test method of double suction volute pump
- Patent number 7,938,617
- Issue date May 10, 2011
- Hitachi Plant Technologies, Ltd.
- Tomohiro Naruse
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
High-speed rotor and controller for controlling magnetic bearings u...
- Patent number 5,576,587
- Issue date Nov 19, 1996
- Hitachi, Ltd.
- Naohiko Takahashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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...

Patents Applicationslast 30 patents

Information Patent Application
Pressure test method of double suction volute pump
- Publication number 20070116558
- Publication date May 24, 2007
- Hitachi Plant Technologies, Ltd.
- Tomohiro Naruse
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...