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Yasuyuki Wakahara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal-graphite brush
    • Patent number 7,294,166
    • Issue date Nov 13, 2007
    • Tris Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Copper-graphite brush
    • Patent number 7,067,951
    • Issue date Jun 27, 2006
    • Tris Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic switch for starter
    • Patent number 7,038,563
    • Issue date May 2, 2006
    • Denso Corporation
    • Kazuhiro Andoh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Metal-graphite brush
    • Patent number 6,949,863
    • Issue date Sep 27, 2005
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Shock absorber
    • Patent number 6,887,160
    • Issue date May 3, 2005
    • Denso Corporation
    • Mikio Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Chemical treatment of helical splines in starter
    • Patent number 6,819,005
    • Issue date Nov 16, 2004
    • Denso Corporation
    • Yasuyuki Wakahara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Multilayer brush
    • Patent number 6,815,862
    • Issue date Nov 9, 2004
    • Denso Corporation
    • Kyoji Inukai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Metal-graphite brush and production method thereof
    • Patent number 6,758,881
    • Issue date Jul 6, 2004
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rotary electric machine having collar for restricting coil end expa...
    • Patent number 6,724,124
    • Issue date Apr 20, 2004
    • Denso Corporation
    • Masami Niimi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Metal-graphite brush
    • Patent number 6,700,292
    • Issue date Mar 2, 2004
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Grease composition
    • Patent number 6,667,281
    • Issue date Dec 23, 2003
    • Nippon Oil Corporation
    • Syouzou Ikejima
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Starter motor having intermediate gear
    • Patent number 6,647,812
    • Issue date Nov 18, 2003
    • Denso Corporation
    • Kuniaki Nito
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Starter with driving lever having lever pin
    • Patent number 6,612,191
    • Issue date Sep 2, 2003
    • Denso Corporation
    • Tetsuo Imanishi
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Shock absorber
    • Patent number 6,572,479
    • Issue date Jun 3, 2003
    • Denso Corporation
    • Mikio Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary electric machine
    • Patent number 6,570,283
    • Issue date May 27, 2003
    • Denso Corporation
    • Masami Niimi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary electric machine with stacked brush
    • Patent number 6,528,923
    • Issue date Mar 4, 2003
    • Denso Corporation
    • Masahiro Katoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnetic switch for starter motor
    • Patent number 6,486,762
    • Issue date Nov 26, 2002
    • Denso Corporation
    • Tadahiro Kurasawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Lead wire unit of DC rotary electric machine
    • Patent number 6,417,588
    • Issue date Jul 9, 2002
    • Denso Corporation
    • Masami Niimi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Magnet switch having metal-molded resinous switch cover
    • Patent number 6,404,310
    • Issue date Jun 11, 2002
    • Denso Corporation
    • Kazuhiro Ando
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Drain pipe for draining water or the like from casing
    • Patent number 6,371,167
    • Issue date Apr 16, 2002
    • Denso Corporation
    • Akifumi Hosoya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Brush holding device for rotating electrical machines
    • Patent number 4,673,838
    • Issue date Jun 16, 1987
    • Nippondenso Co., Ltd.
    • Yoshito Takagi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Metal-graphite brush
    • Publication number 20060087197
    • Publication date Apr 27, 2006
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER BRUSH
    • Publication number 20040174088
    • Publication date Sep 9, 2004
    • Kyoji Inukai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electromagnetic switch for starter
    • Publication number 20040169573
    • Publication date Sep 2, 2004
    • DENSO CORPORATION
    • Kazuhiro Andoh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Starter for internal combustion engine
    • Publication number 20040093967
    • Publication date May 20, 2004
    • DENSO CORPORATION
    • Tsutomu Shiga
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Metal-graphite brush and production method thereof
    • Publication number 20030190249
    • Publication date Oct 9, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Copper-graphite brush
    • Publication number 20030141777
    • Publication date Jul 31, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Metal-graphite brush
    • Publication number 20030127941
    • Publication date Jul 10, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Shock absorber
    • Publication number 20030125113
    • Publication date Jul 3, 2003
    • DENSO CORPORATION
    • Mikio Saito
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Metal-graphite brush
    • Publication number 20030107294
    • Publication date Jun 12, 2003
    • TRIS Inc.
    • Takayoshi Otani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Rotary electric machine having collar for restricting coil end expa...
    • Publication number 20030107295
    • Publication date Jun 12, 2003
    • DENSO CORPORATION
    • Masami Niimi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Chemical treatment of helical splines in starter
    • Publication number 20030030282
    • Publication date Feb 13, 2003
    • DENSO CORPORATION
    • Yasuyuki Wakahara
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Electromagnetic switch for starter
    • Publication number 20020145494
    • Publication date Oct 10, 2002
    • DENSO CORPORATION
    • Kazuhiro Andoh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Starter with driving lever having lever pin
    • Publication number 20020069712
    • Publication date Jun 13, 2002
    • DENSO CORPORATION
    • Tetsuo Imanishi
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Grease composition
    • Publication number 20020072477
    • Publication date Jun 13, 2002
    • Nippon Mitsubishi Oil Corporation
    • Syouzou Ikejima
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Starter motor having intermediate gear
    • Publication number 20020069713
    • Publication date Jun 13, 2002
    • Kuniaki Nito
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Rotary electric machine with stacked brush
    • Publication number 20020070625
    • Publication date Jun 13, 2002
    • DENSO CORPORATION
    • Masahiro Katoh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Magnetic switch for starter motor
    • Publication number 20020067231
    • Publication date Jun 6, 2002
    • Tadahiro Kurasawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Rotary electric machine having excellent insulation
    • Publication number 20020063493
    • Publication date May 30, 2002
    • DENSO CORPORATION
    • Akifumi Hosoya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRAIN PIPE FOR DRAINING WATER OR THE LIKE FROM CASING
    • Publication number 20020023686
    • Publication date Feb 28, 2002
    • Akifumi Hosoya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rotary electric machine
    • Publication number 20010045784
    • Publication date Nov 29, 2001
    • Masami Niimi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Planetary gear reduction mechanism with tapered tooth end
    • Publication number 20010008860
    • Publication date Jul 19, 2001
    • Masami Niimi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Lead wire unit of DC rotary electric machine
    • Publication number 20010006311
    • Publication date Jul 5, 2001
    • Masami Niimi
    • H01 - BASIC ELECTRIC ELEMENTS