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Masayuki Sugiyama
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Numazu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Engine ignition method and engine ignition device
Patent number
11,692,502
Issue date
Jul 4, 2023
Mahle International GmbH
Takuma Ayuzawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Stroke determination device for 4-stroke engine
Patent number
11,149,678
Issue date
Oct 19, 2021
MAHLE ELECTRIC DRIVES JAPAN CORPORTION
Takuma Ayuzawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Internal combustion engine ignition device
Patent number
9,739,250
Issue date
Aug 22, 2017
Kokusan Denki Co., Ltd.
Takuma Ayusawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition device for internal combustion engine
Patent number
8,056,536
Issue date
Nov 15, 2011
Kokusan Denki Co., Ltd.
Kiyotada Nakauchi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Capacitor discharge engine ignition device
Patent number
7,603,982
Issue date
Oct 20, 2009
Kokusan Denki Co., Ltd.
Masayuki Sugiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Ignition device for internal combustion engine
Patent number
7,472,688
Issue date
Jan 6, 2009
Kokusan Denki Co., Ltd.
Kiyotada Nakauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Ignition device for internal combustion engine
Patent number
7,171,948
Issue date
Feb 6, 2007
Kokusan Denki Co., Ltd.
Akira Shimoyama
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
ENGINE IGNITION METHOD AND ENGINE IGNITION DEVICE
Publication number
20210017946
Publication date
Jan 21, 2021
TAKUMA AYUZAWA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
STROKE DETERMINATION DEVICE FOR 4-STROKE ENGINE
Publication number
20200011265
Publication date
Jan 9, 2020
MAHLE ELECTRIC DRIVES JAPAN CORPORATION
TAKUMA AYUZAWA
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
INTERNAL COMBUSTION ENGINE IGNITION DEVICE
Publication number
20160047349
Publication date
Feb 18, 2016
KOKUSAN DENKI CO., LTD
Takuma AYUSAWA
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE
Publication number
20100095932
Publication date
Apr 22, 2010
Kokusan Denki Co. LTd
Kiyotada Nakauchi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
CAPACITOR DISCHARGE ENGINE IGNITION DEVICE
Publication number
20090126686
Publication date
May 21, 2009
Kokusan Denki Co., Ltd.
Masayuki Sugiyama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINE
Publication number
20070277782
Publication date
Dec 6, 2007
Kokusan Denki Co., Ltd.
Kiyotada Nakauchi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Ignition device for internal combustion engine
Publication number
20060169249
Publication date
Aug 3, 2006
Kokusan Denki Co. Ltd.
Akira Shimoyama
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...