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Keiji Araki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Boosted engine with boost controller and control unit
    • Patent number 10,914,247
    • Issue date Feb 9, 2021
    • Mazda Motor Corporation
    • Atsushi Inoue
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine with variable valve timing mechanism
    • Patent number 10,787,938
    • Issue date Sep 29, 2020
    • Mazda Motor Corporation
    • Toshiaki Nishimoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Turbocharger engine
    • Patent number 10,760,477
    • Issue date Sep 1, 2020
    • Mazda Motor Corporation
    • Yasushi Niwa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection control device for direct injection engine
    • Patent number 10,480,438
    • Issue date Nov 19, 2019
    • Mazda Motor Corporation
    • Takeshi Nagasawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Homogeneous charge compression ignition engine
    • Patent number 10,260,458
    • Issue date Apr 16, 2019
    • Mazda Motor Corporation
    • Kazuaki Narahara
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Control apparatus of engine
    • Patent number 10,024,274
    • Issue date Jul 17, 2018
    • Mazda Motor Corporation
    • Masahiko Fujimoto
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Spark-ignition direct-injection engine
    • Patent number 9,932,883
    • Issue date Apr 3, 2018
    • Mazda Motor Corporation
    • Kouhei Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine system
    • Patent number 9,915,230
    • Issue date Mar 13, 2018
    • Mazda Motor Corporation
    • Masahiko Fujimoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Control device of compression-ignition engine
    • Patent number 9,874,169
    • Issue date Jan 23, 2018
    • Mazda Motor Corporation
    • Kazuhiro Nagatsu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Control apparatus of premixed charge compression ignition engine
    • Patent number 9,863,372
    • Issue date Jan 9, 2018
    • Mazda Motor Corporation
    • Masahiko Fujimoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Catalyst advanced warmup control device for spark ignition engine
    • Patent number 9,810,167
    • Issue date Nov 7, 2017
    • Mazda Motor Corporation
    • Tomomi Watanabe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Spark-ignition direct injection engine
    • Patent number 9,702,316
    • Issue date Jul 11, 2017
    • Mazda Motor Corporation
    • Kouhei Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable cylinder engine
    • Patent number 9,631,562
    • Issue date Apr 25, 2017
    • Mazda Motor Corporation
    • Junsou Sasaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Control device of compression-ignition engine
    • Patent number 9,546,613
    • Issue date Jan 17, 2017
    • Mazda Motor Corporation
    • Kazuhiro Nagatsu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Direct injection gasoline engine and method of controlling the dire...
    • Patent number 9,488,094
    • Issue date Nov 8, 2016
    • Mazda Motor Corporation
    • Hiroyuki Yamashita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Spark ignition engine
    • Patent number 9,429,087
    • Issue date Aug 30, 2016
    • Mazda Motor Corporation
    • Kouhei Iwai
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Supercharged direct fuel injection engine
    • Patent number 9,328,688
    • Issue date May 3, 2016
    • Mazda Motor Corporation
    • Mitsuo Hitomi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Spark-ignition direct injection engine
    • Patent number 9,145,843
    • Issue date Sep 29, 2015
    • Mazda Motor Corporation
    • Kouhei Iwai
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Control of direct fuel injection engine
    • Patent number 8,544,444
    • Issue date Oct 1, 2013
    • Mazda Motor Corporation
    • Mitsuo Hitomi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Supercharged direct-injection engine
    • Patent number 8,468,823
    • Issue date Jun 25, 2013
    • Mazda Motor Corporation
    • Mitsuo Hitomi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Control of spark ignited internal combustion engine
    • Patent number 8,316,819
    • Issue date Nov 27, 2012
    • Mazda Motor Corporation
    • Masahisa Yamakawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Method of starting spark ignition engine without using starter motor
    • Patent number 8,036,817
    • Issue date Oct 11, 2011
    • Mazda Motor Corporation
    • Noriyuki Ota
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Method of starting spark ignition engine without using starter motor
    • Patent number 7,461,621
    • Issue date Dec 9, 2008
    • Mazda Motor Corporation
    • Noriyuki Ota
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Spark ignition engine control device
    • Patent number 7,219,634
    • Issue date May 22, 2007
    • Mazda Motor Corporation
    • Mitsuo Hitomi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Engine starting system
    • Patent number 7,051,693
    • Issue date May 30, 2006
    • Mazda Motor Corporation
    • Masayuki Tetsuno
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Direct-injection spark-ignition engine
    • Patent number 6,983,733
    • Issue date Jan 10, 2006
    • Mazda Motor Corporation
    • Hiroyuki Yamashita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Control device for spark-ignition engine
    • Patent number 6,928,980
    • Issue date Aug 16, 2005
    • Mazda Motor Corporation
    • Masahisa Yamakawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Direct-injection spark ignition engine
    • Patent number 6,672,277
    • Issue date Jan 6, 2004
    • Mazda Motor Corporation
    • Takehiko Yasuoka
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel control apparatus for an engine
    • Patent number 6,560,960
    • Issue date May 13, 2003
    • Mazda Motor Corporation
    • Hirofumi Nishimura
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Control apparatus for direct-injection engine
    • Patent number 6,449,946
    • Issue date Sep 17, 2002
    • Mazda Motor Corporation
    • Youichi Kuji
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE WITH VARIABLE VALVE TIMING MECHANISM
    • Publication number 20190284969
    • Publication date Sep 19, 2019
    • MAZDA MOTOR CORPORATION
    • Toshiaki Nishimoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BOOSTED ENGINE
    • Publication number 20190093575
    • Publication date Mar 28, 2019
    • MAZDA MOTOR CORPORATION
    • Atsushi Inoue
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTION CONTROL DEVICE FOR DIRECT INJECTION ENGINE
    • Publication number 20180080401
    • Publication date Mar 22, 2018
    • MAZDA MOTOR CORPORATION
    • Takeshi NAGASAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HOMOGENEOUS CHARGE COMPRESSION IGNITION ENGINE
    • Publication number 20180058383
    • Publication date Mar 1, 2018
    • MAZDA MOTOR CORPORATION
    • Kazuaki NARAHARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TURBOCHARGER ENGINE
    • Publication number 20170342894
    • Publication date Nov 30, 2017
    • MAZDA MOTOR CORPORATION
    • Yasushi NIWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ENGINE SYSTEM
    • Publication number 20170138315
    • Publication date May 18, 2017
    • MAZDA MOTOR CORPORATION
    • Masahiko Fujimoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CONTROL APPARATUS OF ENGINE
    • Publication number 20170022938
    • Publication date Jan 26, 2017
    • MAZDA MOTOR CORPORATION
    • Masahiko Fujimoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CONTROL APPARATUS OF PREMIXED CHARGE COMPRESSION IGNITION ENGINE
    • Publication number 20170022924
    • Publication date Jan 26, 2017
    • MAZDA MOTOR CORPORATION
    • Masahiko Fujimoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CONTROL APPARATUS OF ENGINE
    • Publication number 20170022892
    • Publication date Jan 26, 2017
    • MAZDA MOTOR CORPORATION
    • Masahiko Fujimoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CATALYST ADVANCED WARMUP CONTROL DEVICE FOR SPARK IGNITION ENGINE
    • Publication number 20150337751
    • Publication date Nov 26, 2015
    • MAZDA MOTOR CORPORATION
    • Tomomi WATANABE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK IGNITION ENGINE
    • Publication number 20150226143
    • Publication date Aug 13, 2015
    • MAZDA MOTOR CORPORATION
    • Kouhei Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK-IGNITION DIRECT-INJECTION ENGINE
    • Publication number 20150114342
    • Publication date Apr 30, 2015
    • MAZDA MOTOR CORPORATION
    • Kouhei Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CONTROL DEVICE OF COMPRESSION-IGNITION ENGINE
    • Publication number 20150083072
    • Publication date Mar 26, 2015
    • Mazda Motor Corporation
    • Kazuhiro Nagatsu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CONTROL DEVICE OF COMPRESSION-IGNITION ENGINE
    • Publication number 20150083073
    • Publication date Mar 26, 2015
    • MAZDA MOTOR CORPORATION
    • Kazuhiro Nagatsu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    VARIABLE CYLINDER ENGINE
    • Publication number 20140222311
    • Publication date Aug 7, 2014
    • Mazda Motor Corporation
    • Junsou Sasaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DIRECT INJECTION GASOLINE ENGINE AND METHOD OF CONTROLLING THE DIRE...
    • Publication number 20140216396
    • Publication date Aug 7, 2014
    • MAZDA MOTOR CORPORATION
    • Hiroyuki Yamashita
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK-IGNITION DIRECT INJECTION ENGINE
    • Publication number 20140069382
    • Publication date Mar 13, 2014
    • Mazda Motor Corporation
    • Kouhei Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK-IGNITION DIRECT INJECTION ENGINE
    • Publication number 20140060490
    • Publication date Mar 6, 2014
    • Mazda Motor Corporation
    • Kouhei Iwai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTION CONTROL DEVICE OF DIESEL ENGINE
    • Publication number 20130118163
    • Publication date May 16, 2013
    • Mazda Motor Corporation
    • Hiroyuki Nishimura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SUPERCHARGED DIRECT-INJECTION ENGINE
    • Publication number 20110067679
    • Publication date Mar 24, 2011
    • MAZDA MOTOR CORPORATION
    • Mitsuo HITOMI
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    CONTROL OF DIRECT FUEL INJECTION ENGINE
    • Publication number 20100242900
    • Publication date Sep 30, 2010
    • MAZDA MOTOR CORPORATION
    • Mitsuo HITOMI
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    SUPERCHARGED DIRECT FUEL INJECTION ENGINE
    • Publication number 20100242899
    • Publication date Sep 30, 2010
    • MAZDA MOTOR CORPORATION
    • Mitsuo HITOMI
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    CONTROL OF SPARK IGNITED INTERNAL COMBUSTION ENGINE
    • Publication number 20100077989
    • Publication date Apr 1, 2010
    • MAZDA MOTOR CORPORATION
    • Masahisa Yamakawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    METHOD OF STARTING SPARK IGNITION ENGINE WITHOUT USING STARTER MOTOR
    • Publication number 20090088958
    • Publication date Apr 2, 2009
    • Mazda Motor Corporation
    • Noriyuki Ota
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    METHOD OF STARTING SPARK IGNITION ENGINE WITHOUT USING STARTER MOTOR
    • Publication number 20070062476
    • Publication date Mar 22, 2007
    • Mazda Motor Corporation
    • Noriyuki Ota
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Engine starting system
    • Publication number 20050109302
    • Publication date May 26, 2005
    • MAZDA MOTOR CORPORATION
    • Masayuki Tetsuno
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    CONTROL DEVICE FOR SPARK-IGNITION ENGINE
    • Publication number 20050066918
    • Publication date Mar 31, 2005
    • MAZDA MOTOR CORPORATION
    • Masahisa Yamakawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Spark ignition engine control device
    • Publication number 20050022755
    • Publication date Feb 3, 2005
    • Mitsuo Hitomi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Direct-injection spark-ignition engine
    • Publication number 20040011326
    • Publication date Jan 22, 2004
    • MAZDA MOTOR CORPORATION
    • Hiroyuki Yamashita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Direct-injection spark ignition engine
    • Publication number 20020078919
    • Publication date Jun 27, 2002
    • Takehiko Yasuoka
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...