Isaac Ohsawa

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Kashiwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas monitoring apparatus
- Patent number 7,829,848
- Issue date Nov 9, 2010
- Hitachi, Ltd.
- Yasuaki Takada
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Gas monitoring apparatus and gas monitoring method
- Patent number 7,663,098
- Issue date Feb 16, 2010
- Hitachi, Ltd.
- Yasuo Seto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas monitoring apparatus
- Patent number 7,449,685
- Issue date Nov 11, 2008
- Hitachi, Ltd.
- Yasuaki Takada
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Gas monitoring apparatus
- Publication number 20090039253
- Publication date Feb 12, 2009
- Hitachi, Ltd.
- Yasuaki Takada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gas monitoring apparatus and gas monitoring method
- Publication number 20080054172
- Publication date Mar 6, 2008
- Yasuo Seto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gas monitoring apparatus
- Publication number 20060289742
- Publication date Dec 28, 2006
- Yasuaki Takada
- H01 - BASIC ELECTRIC ELEMENTS