Keiji Tachibana

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air-cooled absorption type chiller heater and modification method
- Patent number 6,263,696
- Issue date Jul 24, 2001
- Hitachi Building Systems Co., Ltd.
- Kenji Machizawa
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration purge and/or recovery apparatus
- Patent number 5,501,082
- Issue date Mar 26, 1996
- Hitachi Building Equipment Engineering Co., Ltd.
- Keiji Tachibana
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hermetic turbo-refrigerator apparatus
- Patent number 4,432,212
- Issue date Feb 21, 1984
- Hitachi, Ltd.
- Keiji Tachibana
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus for controlling operation of fluid pressure raising system
- Patent number 4,295,792
- Issue date Oct 20, 1981
- Hitachi, Ltd.
- Keiji Tachibana
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Multistage speed change gear system
- Patent number 4,291,587
- Issue date Sep 29, 1981
- Hitachi, Ltd.
- Keiji Tachibana
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...