TREA

Yoji Hosoi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Laser diode
    • Patent number 5,048,039
    • Issue date Sep 10, 1991
    • Oki Electric Industry Co., Ltd.
    • Takashi Tsubota
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Superluminescent diode
    • Patent number 5,034,955
    • Issue date Jul 23, 1991
    • Oki Electric Industry Co., Ltd.
    • Yasumasa Kashima
    • H01 - BASIC ELECTRIC ELEMENTS