Yutaka Tanaka

Person

Aichi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Spark plug with built-in resistor
- Patent number 6,583,537
- Issue date Jun 24, 2003
- NGK Spark Plug Co., Ltd.
- Toshitaka Honda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing a spark plug
- Patent number 6,341,501
- Issue date Jan 29, 2002
- NGK Spark Plug Co., Ltd.
- Makoto Sugimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of resistor-incorporated spark plug
- Patent number 6,334,800
- Issue date Jan 1, 2002
- NGK Spark Plug Co., Ltd.
- Kenichi Nishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Equipment and method for producing spark plug
- Patent number 6,328,619
- Issue date Dec 11, 2001
- NGK Spark Plug Co., Ltd.
- Kenji Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug
- Patent number 6,191,525
- Issue date Feb 20, 2001
- NGK Spark Plug Co., Ltd.
- Yutaka Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resistor-incorporated spark plug and manufacturing method of resist...
- Patent number 6,160,342
- Issue date Dec 12, 2000
- NGK Spark Plug Co., Ltd.
- Kenichi Nishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug and producing method thereof
- Patent number 6,137,211
- Issue date Oct 24, 2000
- NGK Spark Plug Co., Ltd.
- Makoto Sugimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug for internal combustion engine
- Patent number 5,962,957
- Issue date Oct 5, 1999
- NGK Spark Plug Co., Ltd.
- Yutaka Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resistor compositions for producing a resistor in resistor-incorpor...
- Patent number 4,601,848
- Issue date Jul 22, 1986
- NGK Spark Plug Co., Ltd
- Masao Sakai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG AND PRODUCING METHOD THEREOF
- Publication number 20010007196
- Publication date Jul 12, 2001
- MAKOTO SUGIMOTO
- H01 - BASIC ELECTRIC ELEMENTS

Yutaka Tanaka

Person

Patents Grantslast 30 patents

Spark plug with built-in resistor

Method of producing a spark plug

Manufacturing method of resistor-incorporated spark plug

Equipment and method for producing spark plug

Spark plug

Resistor-incorporated spark plug and manufacturing method of resist...

Spark plug and producing method thereof

Spark plug for internal combustion engine

Resistor compositions for producing a resistor in resistor-incorpor...

Patents Applicationslast 30 patents

SPARK PLUG AND PRODUCING METHOD THEREOF