Hirohito Ito

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug
- Patent number 7,615,915
- Issue date Nov 10, 2009
- NGK Spark Plug Co., Ltd.
- Hirohito Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug
- Patent number 7,352,121
- Issue date Apr 1, 2008
- NGK Spark Plug Co., Ltd.
- Hirohito Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing spark plug and caulking metallic mold
- Patent number 6,688,932
- Issue date Feb 10, 2004
- NGK Spark Plug Co. Ltd.
- Hiroaki Nasu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Alumina-based sintered body insulator for spark plugs
- Patent number 6,559,579
- Issue date May 6, 2003
- NGK Spark Plug Co., Ltd.
- Hirohito Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug, insulator for spark plug and process for fabricating th...
- Patent number 6,265,816
- Issue date Jul 24, 2001
- NGK Spark Plug Co., Ltd.
- Hirohito Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of transfer printing a ceramic spark plug insulator
- Patent number 6,214,150
- Issue date Apr 10, 2001
- NGK Spark Plug Co., Ltd.
- Makoto Sugimoto
- B44 - DECORATIVE ARTS
Information Patent Grant
Transfer sheet, a method of transferring a figuration therefrom and...
- Patent number 5,976,674
- Issue date Nov 2, 1999
- NGK Spark Plug, Co., Ltd.
- Makoto Sugimoto
- B44 - DECORATIVE ARTS

Patents Applicationslast 30 patents

Information Patent Application
Spark plug
- Publication number 20070277764
- Publication date Dec 6, 2007
- NGK SPARK PLUG CO., LTD.
- Hirohito Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spark plug
- Publication number 20050093416
- Publication date May 5, 2005
- NGK SPARK PLUG CO., LTD.
- Hirohito Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for manufactoring spark plug and caulking metallic mold
- Publication number 20020193033
- Publication date Dec 19, 2002
- NGK SPARK PLUG CO., LTD.
- Hiroaki Nasu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Insulator for spark plug and spark plug comprising same
- Publication number 20010004184
- Publication date Jun 21, 2001
- Hirohito Ito
- H01 - BASIC ELECTRIC ELEMENTS