Masahiro Ishikawa

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric elastomer drive sensor system and sheet
- Patent number 11,213,133
- Issue date Jan 4, 2022
- Zeon Corporation
- Seiki Chiba
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of making a spark plug
- Patent number 6,923,699
- Issue date Aug 2, 2005
- NGK Spark Plug Co., Ltd.
- Yoshihiro Matsubara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug
- Patent number 6,864,623
- Issue date Mar 8, 2005
- NGK Spark Plug Co., Ltd.
- Masahiro Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion current detector device for use in an internal combustion engine
- Patent number 5,734,094
- Issue date Mar 31, 1998
- NGK Spark Plug Co., Ltd.
- Yoshihiro Matsubara
- G01 - MEASURING TESTING
Information Patent Grant
Device of estimating heat resistivity for a spark plug and a method...
- Patent number 5,521,509
- Issue date May 28, 1996
- NGK Spark Plug Co., Ltd.
- Masahiro Ishikawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
DIELECTRIC ELASTOMER DRIVE SENSOR SYSTEM AND SHEET
- Publication number 20210022510
- Publication date Jan 28, 2021
- ZEON CORPORATION
- Seiki CHIBA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Spark plug
- Publication number 20040012318
- Publication date Jan 22, 2004
- NGK SPARK PLUG CO., LTD.
- Masahiro Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of making a spark plug
- Publication number 20030181121
- Publication date Sep 25, 2003
- NGK SPARK PLUG CO., LTD.
- Yoshihiro Matsubara
- H01 - BASIC ELECTRIC ELEMENTS