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Yoshihiko Yamada
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Patents Grants
last 30 patents
Information
Patent Grant
Actuator of variable compression ratio mechanism and actuator of li...
Patent number
10,883,421
Issue date
Jan 5, 2021
HITACHI AUTOMOTIVE SYSTEMS, LTD.
Junichiro Onigata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Variable compression ratio mechanism for internal combustion engine
Patent number
10,400,667
Issue date
Sep 3, 2019
Nissan Motor Co., Ltd.
Ryosuke Hiyoshi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Variable compression ratio mechanism for internal combustion engine
Patent number
10,400,666
Issue date
Sep 3, 2019
Nissan Motor Co., Ltd.
Ryosuke Hiyoshi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Actuator device for variable compression ratio internal combustion...
Patent number
10,400,668
Issue date
Sep 3, 2019
Nissan Motor Co., Ltd.
Ryosuke Hiyoshi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Actuator for link mechanism for internal combustion engine, and met...
Patent number
10,156,186
Issue date
Dec 18, 2018
Hitachi Automotive Systems, Ltd.
Yoshihiko Yamada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Valve timing control apparatus of internal combustion engine
Patent number
10,107,155
Issue date
Oct 23, 2018
Hyundai Motor Company
Hong Wook Lee
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Actuator of variable compression ratio mechanism and actuator of li...
Patent number
9,797,307
Issue date
Oct 24, 2017
Hitachi Automotive Systems, Ltd.
Junichiro Onigata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Actuator of link mechanism for internal combustion engine and actua...
Patent number
9,482,161
Issue date
Nov 1, 2016
Hitachi Automotive Systems, Ltd.
Kishiro Nagai
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Valve control apparatus for internal combustion engine
Patent number
8,667,936
Issue date
Mar 11, 2014
Hitachi Automotive Systems, Ltd.
Mikihiro Kajiura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve system for internal combustion engine and its drivin...
Patent number
8,082,895
Issue date
Dec 27, 2011
Hitachi, Ltd.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve actuation apparatus of internal combustion engine
Patent number
8,006,658
Issue date
Aug 30, 2011
Hitachi, Ltd.
Makoto Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Valve operating apparatus for internal combustion engine
Patent number
7,600,496
Issue date
Oct 13, 2009
Hitachi, Ltd.
Makoto Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Variable valve system with control shaft actuating mechanism
Patent number
7,497,192
Issue date
Mar 3, 2009
Hitachi, Ltd.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable-valve-actuation apparatus for internal combustion engine
Patent number
7,484,485
Issue date
Feb 3, 2009
Hitachi, Ltd.
Makoto Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Variable valve apparatus for internal combustion engine
Patent number
7,401,581
Issue date
Jul 22, 2008
Hitachi, Ltd.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve system of internal combustion engine and method of a...
Patent number
7,311,070
Issue date
Dec 25, 2007
Hitachi, Ltd.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve actuation apparatus for internal combustion engine and method...
Patent number
7,055,477
Issue date
Jun 6, 2006
Hitachi, Ltd.
Tamotsu Todo
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Variable-valve-actuation apparatus for internal combustion engine
Patent number
7,047,921
Issue date
May 23, 2006
Hitachi, Ltd.
Makoto Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Adjusting mechanism adjusting method of valve-lift amount of intern...
Patent number
7,032,551
Issue date
Apr 25, 2006
Nissan Motor Co., Ltd.
Kaoru Eguchi
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve operating apparatus of internal combustion engines
Patent number
6,874,456
Issue date
Apr 5, 2005
Hitachi, Ltd.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve operating device for internal combustion engines
Patent number
6,568,361
Issue date
May 27, 2003
Unisia Jecs Corporation
Seinosuke Hara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Engine with two cylinder banks each with a valve operating device e...
Patent number
6,497,206
Issue date
Dec 24, 2002
Nissan Motor Co., Ltd.
Tsuneyasu Nohara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Control apparatus for variably operated engine valve mechanism of i...
Patent number
6,345,595
Issue date
Feb 12, 2002
Unisia Jecs Corporation
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve operating device for internal combustion engine with variable...
Patent number
6,340,010
Issue date
Jan 22, 2002
Unisia Jecs Corporation
Seinosuke Hara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Electromagnetic driving device of engine valve for internal combust...
Patent number
6,305,336
Issue date
Oct 23, 2001
Unisia Jecs Corporation
Seinosuke Hara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable-valve-actuation apparatus for internal combustion engine
Patent number
6,260,523
Issue date
Jul 17, 2001
Unisia Jecs Corporation
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Electromagnetic drive system for engine valve
Patent number
6,257,182
Issue date
Jul 10, 2001
Unisia Corporation
Seinosuke Hara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve actuation apparatus for internal combustion engines
Patent number
6,123,053
Issue date
Sep 26, 2000
Unisia Jecs Corporation
Seinosuke Hara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve actuator apparatus
Patent number
6,098,580
Issue date
Aug 8, 2000
Nissan Motor Co., Ltd.
Tetsuro Goto
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve actuator apparatus
Patent number
6,055,949
Issue date
May 2, 2000
Nissan Motor Co., Ltd.
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
ACTUATOR DEVICE FOR VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION...
Publication number
20180320587
Publication date
Nov 8, 2018
NISSAN MOTOR CO., LTD.
Ryosuke HIYOSHI
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
VARIABLE COMPRESSION RATIO MECHANISM FOR INTERNAL COMBUSTION ENGINE
Publication number
20180195433
Publication date
Jul 12, 2018
NISSAN MOTOR CO., LTD.
Ryosuke HIYOSHI
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
VARIABLE COMPRESSION RATIO MECHANISM FOR INTERNAL COMBUSTION ENGINE
Publication number
20180163622
Publication date
Jun 14, 2018
NISSAN MOTOR CO., LTD.
Ryosuke HIYOSHI
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
ACTUATOR OF VARIABLE COMPRESSION RATIO MECHANISM AND ACTUATOR OF LI...
Publication number
20180016975
Publication date
Jan 18, 2018
Hitachi Automotive Systems, Ltd.
Junichiro ONIGATA
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
ACTUATOR FOR LINK MECHANISM FOR INTERNAL COMBUSTION ENGINE, AND MET...
Publication number
20170254260
Publication date
Sep 7, 2017
Hitachi Automotive Systems, Ltd.
Yoshihiko YAMADA
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
VALVE TIMING CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE
Publication number
20170167317
Publication date
Jun 15, 2017
Hyundai Motor Company
Hong Wook Lee
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
ACTUATOR OF VARIABLE COMPRESSION RATIO MECHANISM AND ACTUATOR OF LI...
Publication number
20150219009
Publication date
Aug 6, 2015
Hitachi Automotive Systems, Ltd.
JUNICHIRO ONIGATA
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
ACTUATOR OF LINK MECHANISM FOR INTERNAL COMBUSTION ENGINE AND ACTUA...
Publication number
20150219022
Publication date
Aug 6, 2015
Hitachi Automotive Systems, Ltd.
Kishiro NAGAI
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
VARIABLY OPERATED VALVE SYSTEM AND TIGHTENING STRUCTURE BETWEEN CON...
Publication number
20130220041
Publication date
Aug 29, 2013
HITACHI AUTOMOTIVE SYSTEMS, LTD.
Manabu KATAYAMA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve Control Apparatus for Internal Combustion Engine
Publication number
20110139102
Publication date
Jun 16, 2011
Hitachi Automotive Systems, Ltd.
Mikihiro KAJIURA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
VARIABLE VALVE ACTUATION APPARATUS OF INTERNAL COMBUSTION ENGINE
Publication number
20090188454
Publication date
Jul 30, 2009
Hitachi, Ltd.
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
VARIABLE VALVE SYSTEM FOR INTERNAL COMBUSTION ENGINE AND ITS DRIVIN...
Publication number
20090159026
Publication date
Jun 25, 2009
Hitachi, Ltd.
Yoshihiko YAMADA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable-valve-actuation apparatus for internal combustion engine
Publication number
20070245988
Publication date
Oct 25, 2007
Hitachi, Ltd.
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve operating apparatus for internal combustion engine
Publication number
20070175424
Publication date
Aug 2, 2007
Hitachi, Ltd
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable valve apparatus for internal combustion engine
Publication number
20060201460
Publication date
Sep 14, 2006
Hitachi, Ltd.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable-valve-actuation apparatus for internal combustion engine
Publication number
20060201461
Publication date
Sep 14, 2006
Hitachi, Ltd.
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable valve system of internal combustion engine and method of a...
Publication number
20050279304
Publication date
Dec 22, 2005
Hitachi, Ltd.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable valve system with control shaft actuating mechanism
Publication number
20050211205
Publication date
Sep 29, 2005
Hitachi, Ltd.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Adjusting mechanism and adjusting method of valve-lift amount of in...
Publication number
20050199199
Publication date
Sep 15, 2005
NISSAN MOTOR CO., LTD.
Kaoru Eguchi
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve actuation apparatus for internal combustion engine and method...
Publication number
20050028769
Publication date
Feb 10, 2005
HITACHI UNISIA AUTOMOTIVE, LTD.
Tamotsu Todo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve operating apparatus of internal combustion engines
Publication number
20040187822
Publication date
Sep 30, 2004
HITACHI UNISIA AUTOMOTIVE, LTD.
Yoshihiko Yamada
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable-valve-actuation apparatus for internal combustion engine
Publication number
20040031456
Publication date
Feb 19, 2004
HITACHI UNISIA AUTOMOTIVE, LTD.
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Engine with two cylinder banks each with a valve operating device e...
Publication number
20020023601
Publication date
Feb 28, 2002
Tsuneyasu Nohara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Control apparatus for variably operated engine valve mechanism of i...
Publication number
20010008129
Publication date
Jul 19, 2001
UNISIA JECS CORPORATION
Yoshihiko Yamada
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC