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Yoshito Seiwa

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  • Itami, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing a semiconductor laser by implanting impurities...
    • Patent number 5,116,769
    • Issue date May 26, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshito Seiwa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor laser device
    • Patent number 5,034,954
    • Issue date Jul 23, 1991
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshito Seiwa
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor laser device
    • Patent number 5,010,375
    • Issue date Apr 23, 1991
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshito Seiwa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser array
    • Patent number 4,947,401
    • Issue date Aug 7, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Susumu Hinata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser device with high oscillation efficiency
    • Patent number 4,924,474
    • Issue date May 8, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Shigenori Yagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,868,837
    • Issue date Sep 19, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshito Seiwa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser diode
    • Patent number 4,701,926
    • Issue date Oct 20, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshito Seiwa
    • H01 - BASIC ELECTRIC ELEMENTS