Kenji Machizawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for managing heat source unit for air conditioner
- Patent number 6,701,727
- Issue date Mar 9, 2004
- Hitachi Building Systems Co., Ltd.
- Tomohiro Komatsu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for managing heat source unit for air conditioner
- Publication number 20030079483
- Publication date May 1, 2003
- Hitachi Building Systems Co., Ltd.
- Tomohiro Komatsu
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...