Yoshikatsu Tomita

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for driving a compressor and a refrigerating air conditioner
- Patent number 7,437,882
- Issue date Oct 21, 2008
- Hitachi Air Conditioning Systems Co., Ltd.
- Mutsunori Matsunaga
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Apparatus for driving a compressor and a refrigerating air conditioner
- Patent number 6,925,824
- Issue date Aug 9, 2005
- Mutsunori Matsunaga
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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
Oil feeding device for scroll fluid apparatus
- Patent number 4,749,344
- Issue date Jun 7, 1988
- Hitachi, Ltd.
- Yoshikatsu Tomita
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Scroll-type fluid machine with back pressure chamber biasing an orb...
- Patent number 4,557,675
- Issue date Dec 10, 1985
- Hitachi, Ltd.
- Akira Murayama
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Refrigerating system using scroll type compressor
- Patent number 4,382,370
- Issue date May 10, 1983
- Hitachi, Ltd.
- Kazutaka Suefuji
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for driving a compressor and a refrigerating air conditioner
- Publication number 20050268631
- Publication date Dec 8, 2005
- Mutsunori Matsunaga
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Apparatus for driving a compressor and a refrigerating air conditioner
- Publication number 20040159115
- Publication date Aug 19, 2004
- Mutsunori Matsunaga
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Yoshikatsu Tomita

Person

Patents Grantslast 30 patents

Apparatus for driving a compressor and a refrigerating air conditioner

Apparatus for driving a compressor and a refrigerating air conditioner

Refrigerant compressor and refrigerating apparatus

Refrigerant compressor and refrigerating apparatus

Refrigerant compressor and refrigerating apparatus

Oil feeding device for scroll fluid apparatus

Scroll-type fluid machine with back pressure chamber biasing an orb...

Refrigerating system using scroll type compressor

Patents Applicationslast 30 patents

Apparatus for driving a compressor and a refrigerating air conditioner

Apparatus for driving a compressor and a refrigerating air conditioner