Hidenao Takahashi

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Isesaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piston ring for a piston in a refrigerant compressor
- Patent number 4,697,992
- Issue date Oct 6, 1987
- Sanden Corporation
- Hideharu Hatakeyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Piston assembly for a refrigerant compressor
- Patent number 4,594,055
- Issue date Jun 10, 1986
- Sanden Corporation
- Hideharu Hatakeyama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...