Fumiaki Ishida

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Narashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Blower muffling apparatus
- Patent number 5,672,052
- Issue date Sep 30, 1997
- Hitachi, Ltd.
- Fumiaki Ishida
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vortex flow blower and vane wheel therefor
- Patent number 5,628,615
- Issue date May 13, 1997
- Hitachi, Ltd.
- Hiroshi Asabuki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method of making vortex flow blower and vane wheel therefor
- Patent number 5,600,886
- Issue date Feb 11, 1997
- Hitachi, Ltd.
- Hiroshi Asabuki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vortex blower
- Patent number 5,569,023
- Issue date Oct 29, 1996
- Hitachi, Ltd.
- Fumiaki Ishida
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vortex flow blower and vane wheel therefor
- Patent number 5,487,639
- Issue date Jan 30, 1996
- Hitachi, Ltd.
- Hiroshi Asabuki
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...