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Naosumi Tada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Steel composition
    • Patent number 6,680,129
    • Issue date Jan 20, 2004
    • BorgWarner Inc.
    • Yumin Wang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Blade tensioner
    • Patent number 6,676,550
    • Issue date Jan 13, 2004
    • Borg-Warner Automotive K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blade tensioner
    • Patent number 6,641,496
    • Issue date Nov 4, 2003
    • BorgWarner Inc.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blade tensioner
    • Patent number 6,612,953
    • Issue date Sep 2, 2003
    • Borg Warner Morse TEC Japan K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hard steel articles
    • Patent number 6,607,850
    • Issue date Aug 19, 2003
    • BorgWarner, Inc.
    • Yumin Wang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Carbide coated steel articles and method of making them
    • Patent number 6,582,765
    • Issue date Jun 24, 2003
    • BorgWarner, Inc.
    • Yumin Wang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Blade-type chain tensioner
    • Patent number 6,524,202
    • Issue date Feb 25, 2003
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blade-type chain tensioner
    • Patent number 6,440,020
    • Issue date Aug 27, 2002
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic chain tensioner with vent device and pressure relief valve
    • Patent number 6,435,993
    • Issue date Aug 20, 2002
    • BorgWarner Inc.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Blade chain tensioner
    • Patent number 6,364,796
    • Issue date Apr 2, 2002
    • Borg-Warner Automotive K.K.
    • Kensuke Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic tensioner with seal cap forming an external oil reservoir
    • Patent number 6,358,168
    • Issue date Mar 19, 2002
    • Borg-Warner Automotive K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic chain tensioner with directional vent device
    • Patent number 6,352,487
    • Issue date Mar 5, 2002
    • Borg-Warner Automotive K.K.
    • Naosumi Tada
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic tensioner having an air vent channel
    • Patent number 5,935,031
    • Issue date Aug 10, 1999
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic tensioner having a piston with a pressure relief valve an...
    • Patent number 5,879,256
    • Issue date Mar 9, 1999
    • Borg-Warner Automotive K.K.
    • Naosumi Tada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic tensioner having an internal rack mechanism
    • Patent number 5,860,881
    • Issue date Jan 19, 1999
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic tensioner having an oil reservoir sponge member
    • Patent number 5,842,943
    • Issue date Dec 1, 1998
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Silent chain having a sheared link bearing surface
    • Patent number 5,803,854
    • Issue date Sep 8, 1998
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tensioner arm and chain guide with passages for oil drainage
    • Patent number 5,720,682
    • Issue date Feb 24, 1998
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic tensioner with piston retention stop
    • Patent number 5,700,215
    • Issue date Dec 23, 1997
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic tensioner
    • Patent number 5,601,505
    • Issue date Feb 11, 1997
    • Borg-Warner Automotive, K.K.
    • Naosumi Tada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Carbide coated steel articles and method of making them
    • Publication number 20030104255
    • Publication date Jun 5, 2003
    • Yumin Wang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Steel composition
    • Publication number 20030098093
    • Publication date May 29, 2003
    • Yumin Wang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Blade tensioner
    • Publication number 20020142872
    • Publication date Oct 3, 2002
    • Borg-Warner Automotive K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Chain pin and method of manufacturing same
    • Publication number 20020119852
    • Publication date Aug 29, 2002
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Blade tensioner
    • Publication number 20020119848
    • Publication date Aug 29, 2002
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Blade tensioner
    • Publication number 20020115511
    • Publication date Aug 22, 2002
    • Borg-Warner Automotive K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Blade tensioner
    • Publication number 20020069539
    • Publication date Jun 13, 2002
    • Borg-Warner Automotive K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Blade tensioner
    • Publication number 20020072442
    • Publication date Jun 13, 2002
    • Borg-Warner Automotive K.K.
    • Naosumi Tada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Blade-type chain tensioner
    • Publication number 20020039941
    • Publication date Apr 4, 2002
    • Borg-Warner Automotive, K.K.
    • Kensuke Nakamura
    • G01 - MEASURING TESTING
  • Information Patent Application

    Carbide coated steel articles and method of making them
    • Publication number 20020031687
    • Publication date Mar 14, 2002
    • Yumin Wang
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...