Toshiyuki OTSUKI

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Komaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug production method, spark plug production device and asse...
- Patent number 10,447,015
- Issue date Oct 15, 2019
- NGK Spark Plug Co., Ltd.
- Masafumi Okuda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Spark plug production method, spark plug production device and asse...
- Patent number 10,270,229
- Issue date Apr 23, 2019
- NGK Spark Plug Co., Ltd.
- Masafumi Okuda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for producing spark plug
- Patent number 10,205,306
- Issue date Feb 12, 2019
- NGK Spark Plug Co., Ltd.
- Masafumi Okuda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG PRODUCTION METHOD, SPARK PLUG PRODUCTION DEVICE AND ASSE...
- Publication number 20190199070
- Publication date Jun 27, 2019
- NGK SPARK PLUG CO., LTD.
- Masafumi OKUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG PRODUCTION METHOD, SPARK PLUG PRODUCTION DEVICE AND ASSE...
- Publication number 20180183217
- Publication date Jun 28, 2018
- NGK Spark Plug Co., Ltd.
- Masafumi OKUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING SPARK PLUG
- Publication number 20180069379
- Publication date Mar 8, 2018
- NGK SPARK PLUG CO., LTD.
- Masafumi OKUDA
- H01 - BASIC ELECTRIC ELEMENTS