Masami Kawashima

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Oura-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen sensor inspection method and apparatus and oxygen sensor pro...
- Patent number 7,975,524
- Issue date Jul 12, 2011
- Hitachi, Ltd.
- Shoichi Sakai
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen sensor
- Patent number 7,302,828
- Issue date Dec 4, 2007
- Hitachi, Ltd.
- Akira Uchikawa
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen concentration-detecting apparatus
- Patent number 5,006,221
- Issue date Apr 9, 1991
- Japan Electronic Control Systems Co., Ltd.
- Akira Uchikawa
- G01 - MEASURING TESTING
Information Patent Grant
Oxygen gas concentration-detecting apparatus and air-fuel ratio-con...
- Patent number 4,773,376
- Issue date Sep 27, 1988
- Japan Electronic Control Systems Co., Ltd.
- Akira Uchikawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
CERAMIC STRUCTURE AND GAS SENSOR INCLUDING THE CERAMIC STRUCTURE
- Publication number 20100236925
- Publication date Sep 23, 2010
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Akira UCHIKAWA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
GAS SENSOR, OXYGEN SENSOR AND AIR-FUEL RATIO CONTROL SYSTEM
- Publication number 20090312938
- Publication date Dec 17, 2009
- Hitachi, Ltd
- Kousaku Morita
- G01 - MEASURING TESTING
Information Patent Application
Oxygen Sensor Inspection Method and Apparatus and Oxygen Sensor Pro...
- Publication number 20090095048
- Publication date Apr 16, 2009
- Hitachi, Ltd.
- Shoichi Sakai
- G01 - MEASURING TESTING
Information Patent Application
Oxygen sensor
- Publication number 20070108051
- Publication date May 17, 2007
- Hitachi, Ltd.
- Futoshi Ichiyanagi
- G01 - MEASURING TESTING
Information Patent Application
Oxygen sensor
- Publication number 20070084725
- Publication date Apr 19, 2007
- Hitachi, Ltd.
- Shoichi Sakai
- G01 - MEASURING TESTING
Information Patent Application
Oxygen sensor
- Publication number 20060086175
- Publication date Apr 27, 2006
- Hitachi, Ltd.
- Akira Uchikawa
- G01 - MEASURING TESTING