Yutaka Shimokawa

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air-conditioning control apparatus using heater
- Patent number 6,868,680
- Issue date Mar 22, 2005
- Hitachi Plant Engineering & Construction Co., Ltd.
- Masayoshi Sakuma
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Air-conditioning control apparatus using heater
- Publication number 20040065096
- Publication date Apr 8, 2004
- HITACHI PLANT ENGINEERING & CONSTRUCTION CO., LTD.
- Masayoshi Sakuma
- F24 - HEATING RANGES VENTILATING