Sachio Ohwada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air shutter and installation method thereof
- Patent number 7,544,122
- Issue date Jun 9, 2009
- Mayekawa Mfg. Co., Ltd.
- Sachio Ohwada
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air shutter and installation method thereof
- Patent number 7,037,189
- Issue date May 2, 2006
- Mayekawa Mfg. Co., Ltd.
- Sachio Ohwada
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Air shutter and installation method thereof
- Publication number 20060199500
- Publication date Sep 7, 2006
- Mayekawa Mfg. Co., Ltd.
- Sachio Ohwada
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Air shutter and installation method thereof
- Publication number 20040242145
- Publication date Dec 2, 2004
- Mayekawa Mfg. Co., Ltd.
- Sachio Ohwada
- F24 - HEATING RANGES VENTILATING