Membership
Tour
Register
Log in
Seiji Tsuruta
Follow
Person
Atsugi-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
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
Valve-timing control device for internal combustion engine
Patent number
9,874,116
Issue date
Jan 23, 2018
Hitachi Automotive Systems, Ltd.
Atsushi Yamanaka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve timing control apparatus for internal combustion engine and c...
Patent number
9,470,118
Issue date
Oct 18, 2016
Hitachi Automotive Systems, Ltd.
Naoki Kokubo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Balancer device of internal combustion engine
Patent number
9,068,626
Issue date
Jun 30, 2015
Hitachi Automotive Systems, Ltd.
Masaharu Saito
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Valve-timing control apparatus for internal combustion engine
Patent number
8,899,197
Issue date
Dec 2, 2014
Hitachi Automotive Systems, Ltd.
Naoki Kokubo
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Valve timing control device of internal combustion engine
Patent number
8,677,965
Issue date
Mar 25, 2014
Hitachi Automotive Systems, Ltd.
Hiroyuki Kato
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Valve control apparatus for internal combustion engine
Patent number
8,544,429
Issue date
Oct 1, 2013
Hitachi Automotive Systems, Ltd.
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve actuating apparatus for internal combustion engine a...
Patent number
8,061,315
Issue date
Nov 22, 2011
Hitachi, Ltd.
Makoto Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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 actuation device of internal combustion engine
Patent number
7,565,887
Issue date
Jul 28, 2009
Hitachi, Ltd.
Seiji Tsuruta
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Valve-lash adjuster equipped valve operating device for internal co...
Patent number
6,691,654
Issue date
Feb 17, 2004
Hitachi Unisia Automotive, Ltd.
Hirokazu Uehara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve operating device of internal combustion engine
Patent number
6,467,443
Issue date
Oct 22, 2002
Unisia Jecs Corporation
Seiji Tsuruta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Engine valve assembly for internal combustion engine
Patent number
6,397,806
Issue date
Jun 4, 2002
Unisia Jecs Corporation
Hiroaki Imai
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve timing control device of internal combustion engine
Patent number
6,263,843
Issue date
Jul 24, 2001
Unisia Jecs Corporation
Tamotsu Todo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Decompression engine brake device of automotive internal combustion...
Patent number
6,032,643
Issue date
Mar 7, 2000
Unisia Jecs Corporation
Noriomi Hosaka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Engine valve actuating devices
Patent number
6,032,624
Issue date
Mar 7, 2000
Unisia Jecs Corporation
Seiji Tsuruta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method of producing valve lifter
Patent number
5,918,367
Issue date
Jul 6, 1999
Unisia Jecs Corporation
Tamotsu Todo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Decompression brake device of automotive internal combustion engine
Patent number
5,816,216
Issue date
Oct 6, 1998
Unisia Jecs Corporation
Noboru Egashira
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine cylinder valve controlling apparatus
Patent number
5,794,576
Issue date
Aug 18, 1998
Unisia Jecs Corporation
Seinosuke Hara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve lifter for internal combustion engines
Patent number
5,749,341
Issue date
May 12, 1998
Unisia Jecs Corporation
Noriomi Hosaka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Decompression braking apparatus for diesel engine
Patent number
5,655,499
Issue date
Aug 12, 1997
Unisia Jecs Corporation
Hirokazu Uehara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Decompression braking apparatus for diesel engine
Patent number
5,647,319
Issue date
Jul 15, 1997
Unisia Jecs Corporation
Hirokazu Uehara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Camshaft phase changing device
Patent number
5,592,909
Issue date
Jan 14, 1997
Unisia Jecs Corporation
Seiji Tsuruta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Intake- and/or exhaust-valve timing control system for internal com...
Patent number
5,205,248
Issue date
Apr 27, 1993
Atsugi Unisia Corp.
Seinosuke Hara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Intake and/or exhaust-valve timing control sytem for internal combu...
Patent number
5,203,290
Issue date
Apr 20, 1993
Atsugi Unisia Corporation
Seiji Tsuruta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Valve timing adjusting system for internal combustion engine
Patent number
5,058,539
Issue date
Oct 22, 1991
Atsugi Unisia Corporation
Masaharu Saito
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Hydraulic valve lifter for internal combustion engine
Patent number
4,945,871
Issue date
Aug 7, 1990
Atsugi Motor Parts Company, Limited
Seiji Tsuruta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
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
VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND C...
Publication number
20170002699
Publication date
Jan 5, 2017
Hitachi Automotive Systems, Ltd.
Naoki KOKUBO
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
VALVE-TIMING CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
Publication number
20160348543
Publication date
Dec 1, 2016
Hitachi Automotive Systems, Ltd.
Atsushi YAMANAKA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
BALANCER DEVICE OF INTERNAL COMBUSTION ENGINE
Publication number
20140190442
Publication date
Jul 10, 2014
Hitachi Automotive Systems, Ltd.
Masaharu Saito
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND C...
Publication number
20140076253
Publication date
Mar 20, 2014
Hitachi Automotive Systems, Ltd.
Naoki KOKUBO
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
VALVE LIFTER FOR INTERNAL COMBUSTION ENGINE
Publication number
20120073534
Publication date
Mar 29, 2012
HITACHI AUTOMOTIVE SYSTEMS, LTD.
Tomoya TANAKA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
VALVE TIMING CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE
Publication number
20120017857
Publication date
Jan 26, 2012
HITACHI AUTOMOTIVE SYSTEMS, LTD.
Hiroyuki KATO
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
VALVE-TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
Publication number
20110253085
Publication date
Oct 20, 2011
HITACHI AUTOMOTIVE SYSTEMS, LTD.
Naoki KOKUBO
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve Control Apparatus for Internal Combustion Engine
Publication number
20110120398
Publication date
May 26, 2011
Hitachi Automotive Systems, Ltd.
Makoto Nakamura
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
VARIABLE VALVE ACTUATING APPARATUS FOR INTERNAL COMBUSTION ENGINE A...
Publication number
20090235886
Publication date
Sep 24, 2009
Hitachi, Ltd.
Makoto Nakamura
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
Valve actuation device of internal combustion engine
Publication number
20060283412
Publication date
Dec 21, 2006
Hitachi, Ltd.
Seiji Tsuruta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve lifter and forming and processing method therefor
Publication number
20060027200
Publication date
Feb 9, 2006
Hitachi, Ltd.
Seiji Tsuruta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Slide member and method for producing the slide member
Publication number
20050284434
Publication date
Dec 29, 2005
Hitachi, Ltd.
Seiji Tsuruta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Valve-lash adjuster equipped valve operating device for internal co...
Publication number
20030101952
Publication date
Jun 5, 2003
HITACHI UNISIA AUTOMOTIVE, LTD.
Hirokazu Uehara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Engine valve assembly for internal combustion engine
Publication number
20010047782
Publication date
Dec 6, 2001
UNISIA JECS CORPORATION
Hiroaki Imai
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES