Hisao Inoue

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Variable speed pumping-up system
- Patent number 5,026,256
- Issue date Jun 25, 1991
- Hitachi, Ltd.
- Takao Kuwabara
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Lubricated bearing apparatus for hydraulic machinery
- Patent number 4,892,419
- Issue date Jan 9, 1990
- Hitachi, Ltd.
- Hisao Inoue
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
End face mechanical shaft seal for use in hydraulic machines and se...
- Patent number 4,746,268
- Issue date May 24, 1988
- Hitachi, Ltd.
- Osamu Sugimoto
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method for controlling the operation of a fluid machine in spinning...
- Patent number 4,179,237
- Issue date Dec 18, 1979
- Hitachi, Ltd.
- Kenzyu Ogiwara
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...