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Hiroyuki TAKATSUKA

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  • Shizuoka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle discharge bulb
    • Patent number 8,471,474
    • Issue date Jun 25, 2013
    • Koito Manufacturing Co., Ltd.
    • Hiroyuki Takatsuka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Mercury-free arc tube for discharge lamp unit
    • Patent number 8,098,014
    • Issue date Jan 17, 2012
    • Koito Manufacturing Co., Ltd.
    • Hiroyuki Takatsuka
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    VEHICLE DISCHARGE BULB
    • Publication number 20120181926
    • Publication date Jul 19, 2012
    • Koito Manufacturing Co., Ltd.
    • Hiroyuki TAKATSUKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MERCURY-FREE ARC TUBE FOR DISCHARGE LAMP UNIT
    • Publication number 20090200944
    • Publication date Aug 13, 2009
    • Koito Manufacturing Co., Ltd.
    • Hiroyuki TAKATSUKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DISCHARGE BULB
    • Publication number 20070018582
    • Publication date Jan 25, 2007
    • Koito Manufacturing Co., Ltd.
    • Toshiaki Tsuda
    • H01 - BASIC ELECTRIC ELEMENTS