Hideyuki Ueda

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Shimizu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Refrigerant compressor and refrigerating apparatus
- Patent number 6,286,334
- Issue date Sep 11, 2001
- Hitachi, Ltd.
- Kenji Tojo
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant compressor and refrigerating apparatus
- Patent number 6,055,827
- Issue date May 2, 2000
- Hitachi, Ltd.
- Kenji Tojo
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant compressor and refrigerating apparatus
- Patent number 6,006,542
- Issue date Dec 28, 1999
- Hitachi, Ltd.
- Kenji Tojo
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Scroll compressor
- Patent number 5,660,539
- Issue date Aug 26, 1997
- Hitachi, Ltd.
- Mutsunori Matsunaga
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll type fluid machine having first and second frame members to...
- Patent number 5,622,488
- Issue date Apr 22, 1997
- Hitachi, Ltd.
- Kenji Tojo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scroll type fluid machine with an involute spiral based on a circle...
- Patent number 5,425,626
- Issue date Jun 20, 1995
- Hitachi, Ltd.
- Kenji Tojo
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES