Patents by Inventor Taibun Kamejima

Taibun Kamejima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Window structure semiconductor laser
    Patent number: 4759025
    Abstract: A semiconductor laser includes an active layer 3 of alternately deposited materials I, II defining a quantum well heterostructure, with an elongate window stripe portion being thermally interdiffused by laser irradiation to form a mixed crystal exciting region 8 having a band gap narrower than that of the surrounding layer, which is thus transparent to emitted light.
    Type: Grant
    Filed: August 26, 1986
    Date of Patent: July 19, 1988
    Assignee: NEC Corporation
    Inventor: Taibun Kamejima
  • Semiconductor laser device equipped with a silicon heat sink
    Patent number: 4092614
    Abstract: A semiconductor laser device in which at least one of the main surfaces of a semiconductor laser crystal body which generates heat during operation is brought into thermal contact with a silicon crystal heat-sink body.
    Type: Grant
    Filed: January 7, 1977
    Date of Patent: May 30, 1978
    Assignee: Nippon Electric Co., Ltd.
    Inventors: Isamu Sakuma, Hiroo Yonezu, Katsuhiko Nishida, Taibun Kamejima, Tonao Yuasa, Masayasu Ueno, Toshio Uji, Yasuo Nannichi, Izuo Hayashi