Tomohiro Hirata

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Knocking sensor
- Patent number 9,182,309
- Issue date Nov 10, 2015
- NGK Spark Plug Co., Ltd.
- Tomohiro Hirata
- G01 - MEASURING TESTING
Information Patent Grant
Piezoceramic material, piezoelectric element and non-resonance knoc...
- Patent number 8,040,024
- Issue date Oct 18, 2011
- NGK Spark Plug Co., Ltd.
- Masato Yamazaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Knocking sensor
- Patent number 7,100,426
- Issue date Sep 5, 2006
- NGK Spark Plug Co., Ltd.
- Katsuki Aoi
- G01 - MEASURING TESTING
Information Patent Grant
Nonresonant type knock sensor
- Patent number 6,752,005
- Issue date Jun 22, 2004
- NGK Spark Plug Co., Ltd.
- Sadamitsu Harada
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
KNOCKING SENSOR
- Publication number 20130000387
- Publication date Jan 3, 2013
- NGK SPARK PLUG CO., LTD.
- Tomohiro Hirata
- G01 - MEASURING TESTING
Information Patent Application
PIEZOCERAMIC MATERIAL, PIEZOELECTRIC ELEMENT AND NON-RESONANCE KNOC...
- Publication number 20090223282
- Publication date Sep 10, 2009
- NGK SPARK PLUG CO., LTD.
- Masato YAMAZAKI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Knocking sensor
- Publication number 20050155412
- Publication date Jul 21, 2005
- NGK SPARK PLUG CO., LTD.
- Katsuki Aoi
- G01 - MEASURING TESTING
Information Patent Application
Nonresonant type knock sensor
- Publication number 20040250603
- Publication date Dec 16, 2004
- NGK SPARK PLUG CO., LTD.
- Sadamitsu Harada
- G01 - MEASURING TESTING
Information Patent Application
Nonresonant type knock sensor
- Publication number 20030200790
- Publication date Oct 30, 2003
- NGK SPARK PLUG CO., LTD.
- Sadamitsu Harada
- G01 - MEASURING TESTING