Takeshi Hanai

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Kuwana, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method for a spark plug
- Patent number 7,043,813
- Issue date May 16, 2006
- Denso Corporation
- Takeshi Hanai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adjusting method for centering earth electrode at center electrode...
- Patent number 7,021,980
- Issue date Apr 4, 2006
- Denso Corporation
- Takeshi Hanai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method for a spark plug
- Patent number 6,659,826
- Issue date Dec 9, 2003
- Denso Corporation
- Takeshi Hanai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Spark plug for internal-combustion engine and manufacture method of...
- Patent number 5,465,022
- Issue date Nov 7, 1995
- Nippondenso Co., Ltd.
- Akio Katoh
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Manufacturing method for a spark plug
- Publication number 20040078972
- Publication date Apr 29, 2004
- DENSO CORPORATION
- Takeshi Hanai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Adjusting method for centering earth electrode at center electrode...
- Publication number 20040067712
- Publication date Apr 8, 2004
- Denso Corporation
- Takeshi Hanai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Manufacturing method for a spark plug
- Publication number 20020081932
- Publication date Jun 27, 2002
- Takeshi Hanai
- H01 - BASIC ELECTRIC ELEMENTS