TREA

Toyofumi Hayashi

Follow

Person

  • Hamamatsu-shi, JP
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Audio Apparatus and Method of Changing Sound Emission Mode
    • Publication number 20130156236
    • Publication date Jun 20, 2013
    • Yamaha Corporation
    • Toyofumi Hayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Connection Device
    • Publication number 20110079701
    • Publication date Apr 7, 2011
    • Yamaha Corporation
    • Toyofumi HAYASHI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    OPTICAL PICKUP WITH DUAL FOCAL LENGTH
    • Publication number 20100188942
    • Publication date Jul 29, 2010
    • Yamaha Corporation
    • Toyofumi Hayashi
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Stand for Portable Electronic Device
    • Publication number 20100051764
    • Publication date Mar 4, 2010
    • Yamaha Corporation
    • Toyofumi HAYASHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Connecting Apparatus
    • Publication number 20100055964
    • Publication date Mar 4, 2010
    • Yamaha Corporation
    • Toyofumi HAYASHI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Loudspeaker System
    • Publication number 20080130933
    • Publication date Jun 5, 2008
    • Yamaha Corporation
    • Toyofumi Hayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Loudspeaker Enclosure and Loudspeaker System
    • Publication number 20080013768
    • Publication date Jan 17, 2008
    • Yamaha Corporation
    • Toyofumi Hayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker system
    • Publication number 20070081687
    • Publication date Apr 12, 2007
    • Yamaha Corporation
    • Toyofumi Hayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Method and apparatus for drawing visible image on optical disk by v...
    • Publication number 20060066714
    • Publication date Mar 30, 2006
    • Yamaha Corporation
    • Toyofumi Hayashi
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Optical pickup with dual focal length
    • Publication number 20040136291
    • Publication date Jul 15, 2004
    • Yamaha Corporation
    • Toyofumi Hayashi
    • G11 - INFORMATION STORAGE