Akira Hirakawa

Person

  • Kyoto, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat sink

    • Patent number D615503
    • Issue date May 11, 2010
    • Nidec Corporation
    • Takaya Otsuki
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Heat sink

    • Patent number D600218
    • Issue date Sep 15, 2009
    • Nidec Corporation
    • Takaya Otsuki
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Heat sink

    • Patent number D593042
    • Issue date May 26, 2009
    • Nidec Corporation
    • Takamasa Yamashita
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Heat sink

    • Patent number D573110
    • Issue date Jul 15, 2008
    • Nidec Corporation
    • Takaya Otsuki
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

  • Information Patent Application

    HEAT SINK, HEAT SINK FAN, AND METHOD FOR MANUFACTURING THE SAME

    • Publication number 20090073656
    • Publication date Mar 19, 2009
    • NIDEC CORPORATION
    • Takaya OTSUKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COOLING DEVICE

    • Publication number 20080223558
    • Publication date Sep 18, 2008
    • NIDEC CORPORATION
    • Takaya OTSUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MANUFACTURING METHOD OF FIN UNIT

    • Publication number 20080223551
    • Publication date Sep 18, 2008
    • NIDEC CORPORATION
    • Takaya OTSUKI
    • H01 - BASIC ELECTRIC ELEMENTS