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Ryujiro Ikuta

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  • Shizuoka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle-mounted light source unit
    • Patent number 11,940,110
    • Issue date Mar 26, 2024
    • Koito Manufacturing Co., Ltd.
    • Shuhei Nozue
    • F21 - LIGHTING
  • Information Patent Grant

    Vehicle lamp
    • Patent number 10,962,188
    • Issue date Mar 30, 2021
    • Koito Manufacturing Co., Ltd.
    • Ryujiro Ikuta
    • F21 - LIGHTING
  • Information Patent Grant

    Vehicle lamp
    • Patent number 10,337,688
    • Issue date Jul 2, 2019
    • Koito Manufacturing Co., Ltd.
    • Ryujiro Ikuta
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Light source unit
    • Patent number 9,644,809
    • Issue date May 9, 2017
    • Koito Manufacturing Co., Ltd.
    • Ryujiro Ikuta
    • F21 - LIGHTING
  • Information Patent Grant

    Light source unit and vehicular lamp
    • Patent number 9,206,954
    • Issue date Dec 8, 2015
    • Koito Manufacturing Co., Ltd.
    • Yoshiaki Aiso
    • F21 - LIGHTING
  • Information Patent Grant

    Vehicular lamp
    • Patent number 9,039,261
    • Issue date May 26, 2015
    • Koito Manufacturing Co., Ltd.
    • Hideko Fujiu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicular lamp
    • Patent number 8,444,308
    • Issue date May 21, 2013
    • Koito Manufacturing Co., Ltd.
    • Takashi Matsunaga
    • F21 - LIGHTING
  • Information Patent Grant

    Vehicle lamp
    • Patent number 8,264,152
    • Issue date Sep 11, 2012
    • Koito Manufacturing Co., Ltd.
    • Takashi Matsunaga
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    LAMP FITTING, AND VEHICULAR HEADLAMP
    • Publication number 20240410544
    • Publication date Dec 12, 2024
    • KOITO MANUFACTURING CO., LTD.
    • Ryujiro IKUTA
    • F21 - LIGHTING
  • Information Patent Application

    VEHICLE-MOUNTED LIGHT SOURCE UNIT
    • Publication number 20240044468
    • Publication date Feb 8, 2024
    • Koito Manufacturing Co., Ltd.
    • Shuhei NOZUE
    • F21 - LIGHTING
  • Information Patent Application

    VEHICLE LAMP
    • Publication number 20200256534
    • Publication date Aug 13, 2020
    • Koito Manufacturing Co., Ltd.
    • Ryujiro Ikuta
    • F21 - LIGHTING
  • Information Patent Application

    VEHICLE LAMP
    • Publication number 20160040847
    • Publication date Feb 11, 2016
    • KOITO MANUFACTURING CO., LTD.
    • Ryujiro IKUTA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LIGHT SOURCE UNIT
    • Publication number 20150211725
    • Publication date Jul 30, 2015
    • Koito Manufacturing Co., Ltd.
    • Ryujiro Ikuta
    • F21 - LIGHTING
  • Information Patent Application

    VEHICULAR LAMP
    • Publication number 20130272009
    • Publication date Oct 17, 2013
    • Koito Manufacturing Co., Ltd.
    • Hideko FUJIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LIGHT SOURCE UNIT AND VEHICULAR LAMP
    • Publication number 20110128754
    • Publication date Jun 2, 2011
    • Koito Manufacturing Co., Ltd.
    • Yoshiaki Aiso
    • F21 - LIGHTING
  • Information Patent Application

    VEHICULAR LAMP
    • Publication number 20110058387
    • Publication date Mar 10, 2011
    • Koito Manufacturing Co., Ltd.
    • Takashi Matsunaga
    • F21 - LIGHTING
  • Information Patent Application

    VEHICLE LAMP
    • Publication number 20110031884
    • Publication date Feb 10, 2011
    • Koito Manufacturing Co., Ltd.
    • Takashi Matsunaga
    • F21 - LIGHTING