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Hironori OSAMURA
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Chiryu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Spark plug for internal combustion engine, having an annular ground...
Patent number
9,793,687
Issue date
Oct 17, 2017
Denso Corporation
Masataka Deguchi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Spark plug for internal combustion engine and method of manufacturi...
Patent number
9,385,510
Issue date
Jul 5, 2016
Denso Corporation
Masataka Deguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Structure of spark plug designed to provide higher durability and f...
Patent number
6,891,318
Issue date
May 10, 2005
Denso Corporation
Tsunenobu Hori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug for an internal combustion engine
Patent number
6,794,803
Issue date
Sep 21, 2004
Denso Corporation
Tsunenobu Hori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug for internal combustion engine having better self-cleani...
Patent number
6,552,476
Issue date
Apr 22, 2003
Denso Corporation
Ken Hanashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug for internal combustion engine having better self-cleani...
Patent number
6,316,868
Issue date
Nov 13, 2001
Denso Corporation
Yasutake Ishino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug for internal combustion engine
Patent number
6,262,522
Issue date
Jul 17, 2001
Denso Corporation
Hironori Osamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug having a noble metallic firing tip bonded to an electric...
Patent number
6,215,235
Issue date
Apr 10, 2001
Denso Corporation
Hironori Osamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug
Patent number
6,147,441
Issue date
Nov 14, 2000
Denso Corporation
Hironori Osamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug and process of producing same
Patent number
6,093,071
Issue date
Jul 25, 2000
Denso Corporation
Hironori Osamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug for internal combustion engine
Patent number
6,094,000
Issue date
Jul 25, 2000
Nippondenso Co., Ltd.
Hironori Osamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug having improved consumption resistance
Patent number
5,977,695
Issue date
Nov 2, 1999
Denso Corporation
Hironori Osamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug including electrode with protruding portion for holding...
Patent number
5,811,915
Issue date
Sep 22, 1998
Denso Corporation
Nobuo Abe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multiple gap spark plug for internal combustion engine
Patent number
5,693,999
Issue date
Dec 2, 1997
Nippondenso Co., Ltd.
Hironori Osamura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SPARK PLUG FOR INTERNAL COMBUSTION ENGINE
Publication number
20170077679
Publication date
Mar 16, 2017
DENSO CORPORATION
Masataka DEGUCHI
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND METHOD OF MANUFACTURI...
Publication number
20160064903
Publication date
Mar 3, 2016
DENSO CORPORATION
Masataka DEGUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Spark plug for an internal combustion engine
Publication number
20030038575
Publication date
Feb 27, 2003
Tsunenobu Hori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Structure of spark plug designed to provide higher durability and f...
Publication number
20030038577
Publication date
Feb 27, 2003
Tsunenobu Hori
H01 - BASIC ELECTRIC ELEMENTS