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Takashi Sugino

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing stripe-structure semiconductor laser
    • Patent number 4,948,753
    • Issue date Aug 14, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Akio Yoshikawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Buried stripe-structure semiconductor laser
    • Patent number 4,719,633
    • Issue date Jan 12, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Akio Yoshikawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,651,322
    • Issue date Mar 17, 1987
    • Matsushita Electric Industrial Co., Ltd.
    • Hirokazu Shimizu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser structure including dual mounts having ridge an...
    • Patent number 4,603,419
    • Issue date Jul 29, 1986
    • Matsushita Electric Industrial Co., Ltd.
    • Hirokazu Shimizu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,546,478
    • Issue date Oct 8, 1985
    • Matsushita Electric Industrial Co., Ltd.
    • Hirokazu Shimizu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 4,520,485
    • Issue date May 28, 1985
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terraced substrate semiconductor laser
    • Patent number 4,488,306
    • Issue date Dec 11, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Stem for semiconductor laser devices
    • Patent number 4,488,304
    • Issue date Dec 11, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Hirokazu Shimizu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terrace-shaped substrate semiconductor laser
    • Patent number 4,456,999
    • Issue date Jun 26, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,432,092
    • Issue date Feb 14, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Iwao Teramoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terraced substrate semiconductor laser
    • Patent number 4,392,227
    • Issue date Jul 5, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Kunio Itoh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terraced substrate semiconductor laser
    • Patent number 4,392,228
    • Issue date Jul 5, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Takako Okabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,383,319
    • Issue date May 10, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Hirokazu Shimizu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of making a semiconductor laser by liquid phase epitaxial gr...
    • Patent number 4,380,861
    • Issue date Apr 26, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,377,865
    • Issue date Mar 22, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,371,967
    • Issue date Feb 1, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Masaru Wada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,366,568
    • Issue date Dec 28, 1982
    • Matsushita Electric Industrial Co. Ltd.
    • Hirokazu Shimizu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terraced substrate semiconductor laser
    • Patent number 4,365,336
    • Issue date Dec 21, 1982
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terraced substrate semiconductor laser
    • Patent number 4,360,920
    • Issue date Nov 23, 1982
    • Matsushita Electric Industrial Co., Ltd.
    • Masaru Wada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terraced substrate semiconductor laser
    • Patent number 4,358,850
    • Issue date Nov 9, 1982
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Terraced substrate semiconductor laser
    • Patent number 4,329,661
    • Issue date May 11, 1982
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor laser
    • Patent number 4,296,387
    • Issue date Oct 20, 1981
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugino
    • H01 - BASIC ELECTRIC ELEMENTS