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Shinichi Kosugi
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Shimizu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ceiling embedded type indoor unit
Patent number
6,948,552
Issue date
Sep 27, 2005
Hitachi, Ltd.
Shinichi Kosugi
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Ceiling embedded type indoor unit
Patent number
6,554,059
Issue date
Apr 29, 2003
Hitachi, Ltd.
Yoshiki Hata
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Ceiling embedded air conditioning unit
Patent number
6,345,667
Issue date
Feb 12, 2002
Hitachi, Ltd.
Yoshiki Hata
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
Ceiling embedded type indoor unit
Publication number
20040172962
Publication date
Sep 9, 2004
Shinichi Kosugi
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Ceiling embedded type indoor unit
Publication number
20020023455
Publication date
Feb 28, 2002
Shinichi Kosugi
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Ceiling embedded type indoor unit
Publication number
20010037874
Publication date
Nov 8, 2001
Yoshiki Hata
F24 - HEATING RANGES VENTILATING