TREA

Koichi Sakakibara

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Holographic automotive high mount stop lamp
    • Patent number 5,708,519
    • Issue date Jan 13, 1998
    • Koito Manufacturing Co., Ltd.
    • Norimasa Yamamoto
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vehicle lamp lens
    • Patent number 4,993,807
    • Issue date Feb 19, 1991
    • Koito Manufacturing Co., Ltd.
    • Koichi Sakakibara
    • G02 - OPTICS
  • Information Patent Grant

    Method of working fresnel step
    • Patent number 4,969,783
    • Issue date Nov 13, 1990
    • Koito Manufacturing Co., Ltd.
    • Yasuo Ozawa
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Vehicle lamp lens having Fresnel lens
    • Patent number 4,927,248
    • Issue date May 22, 1990
    • Koito Manufacturing Co., Ltd.
    • Koichi Sakakibara
    • F21 - LIGHTING