Hiroyuki HAZAMA

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Nagoya-shi, Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug insulator production method, insulator, molding die
- Patent number 10,751,923
- Issue date Aug 25, 2020
- NGK Spark Plug Co., Ltd.
- Hirokazu Kurono
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for manufacturing insulator for spark plug
- Patent number 10,637,212
- Issue date Apr 28, 2020
- NGK Spark Plug Co., Ltd.
- Hironori Uegaki
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG INSULATOR PRODUCTION METHOD, INSULATOR, MOLDING DIE
- Publication number 20170326765
- Publication date Nov 16, 2017
- NGK Spark Plug Co., Ltd.
- Hirokazu Kurono
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
METHOD FOR MANUFACTURING INSULATOR FOR SPARK PLUG
- Publication number 20170250523
- Publication date Aug 31, 2017
- NGK Spark Plug Co., Ltd.
- Hironori UEGAKI
- B28 - WORKING CEMENT, CLAY, OR STONE