Hiroya Ishiguro

Person

Kariya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Spark plug for internal combustion engine and ignition system havin...
- Patent number 10,389,091
- Issue date Aug 20, 2019
- Denso Corporation
- Hiroya Ishiguro
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Spark plug and semi-finished product thereof
- Patent number 10,148,068
- Issue date Dec 4, 2018
- Denso Corporation
- Hiroya Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug for internal combustion engine and method for manufactur...
- Patent number 8,994,257
- Issue date Mar 31, 2015
- Denso Corporation
- Hiroya Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug for internal combustion engine and method for manufactur...
- Patent number 8,878,427
- Issue date Nov 4, 2014
- Denso Corporation
- Hiroya Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing spark plug for internal-combustion engine
- Patent number 8,398,447
- Issue date Mar 19, 2013
- Denso Corporation
- Ken Hanashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug for internal-combustion engine and method for manufactur...
- Patent number 8,339,021
- Issue date Dec 25, 2012
- Denso Corporation
- Ken Hanashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing a spark plug
- Patent number 6,676,468
- Issue date Jan 13, 2004
- Denso Corporation
- Hiroya Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spark plug with Ir-alloy chip
- Patent number 6,642,638
- Issue date Nov 4, 2003
- Denso Corporation
- Hiroya Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG AND SEMI-FINISHED PRODUCT THEREOF
- Publication number 20180138665
- Publication date May 17, 2018
- DENSO CORPORATION
- Hiroya ISHIGURO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND IGNITION SYSTEM HAVIN...
- Publication number 20140020667
- Publication date Jan 23, 2014
- Hiroya ISHIGURO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR MANUFACTUR...
- Publication number 20130221832
- Publication date Aug 29, 2013
- DENSO CORPORATION
- Hiroya ISHIGURO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SPARK PLUG FOR INTERNAL-COMBUSTION ENGINE
- Publication number 20120190266
- Publication date Jul 26, 2012
- DENSO CORPORATION
- Ken Hanashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPARK PLUG FOR INTERNAL-COMBUSTION ENGINE AND METHOD FOR MANUFACTUR...
- Publication number 20100289397
- Publication date Nov 18, 2010
- Denso Corporation
- Ken Hanashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Compact spark plug with high gas tightness
- Publication number 20060022566
- Publication date Feb 2, 2006
- DENSO CORPORATION
- Hiroya Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of producing a spark plug
- Publication number 20020055318
- Publication date May 9, 2002
- Hiroya Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spark plug with Ir-alloy chip
- Publication number 20020003389
- Publication date Jan 10, 2002
- DENSO CORPORATION
- Hiroya Ishiguro
- H01 - BASIC ELECTRIC ELEMENTS

Hiroya Ishiguro

Person

Patents Grantslast 30 patents

Spark plug for internal combustion engine and ignition system havin...

Spark plug and semi-finished product thereof

Spark plug for internal combustion engine and method for manufactur...

Spark plug for internal combustion engine and method for manufactur...

Method for manufacturing spark plug for internal-combustion engine

Spark plug for internal-combustion engine and method for manufactur...

Method of producing a spark plug

Spark plug with Ir-alloy chip

Patents Applicationslast 30 patents

SPARK PLUG AND SEMI-FINISHED PRODUCT THEREOF

SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND IGNITION SYSTEM HAVIN...

SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR MANUFACTUR...

METHOD FOR MANUFACTURING SPARK PLUG FOR INTERNAL-COMBUSTION ENGINE

SPARK PLUG FOR INTERNAL-COMBUSTION ENGINE AND METHOD FOR MANUFACTUR...

Compact spark plug with high gas tightness

Method of producing a spark plug

Spark plug with Ir-alloy chip