Patents by Inventor Tatsuto Kurobe

Tatsuto Kurobe 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).

  • Semiconductor optical device and method for fabricating same
    Patent number: 6821798
    Abstract: A monolithic semiconductor optical device with excellent temperature and modulation characteristics and associated method of manufacturing whereby the device has a semiconductor substrate, a semi-insulating buried heterostructure GaInAsP-based DFB laser; and either a buried ridge type AlGaInAs-based EA or a self aligned structure (SAS) AlGaInAs-based EA modulator.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: November 23, 2004
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Satoshi Arakawa, Tatsuto Kurobe, Nariaki Ikeda, Takeharu Yamaguchi
  • Semiconductor optical device and method for fabricating same
    Publication number: 20020105992
    Abstract: A monolithic semiconductor optical device with excellent temperature and modulation characteristics and associated method of manufacturing whereby the device has a semiconductor substrate, a semi-insulating buried heterostructure GaInAsP-based DFB laser; and either a buried ridge type AlGaInAs-based EA or a self aligned structure (SAS) AlGaInAs-based EA modulator.
    Type: Application
    Filed: January 15, 2002
    Publication date: August 8, 2002
    Applicant: The Furukawa Electric Co., Ltd.
    Inventors: Satoshi Arakawa, Tatsuto Kurobe, Nariaki Ikeda, Takeharu Yamaguchi