Patents by Inventor Shingo Hara

Shingo Hara 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).

  • Wavelength-division multiplex system and a method of automatically setting conversion wavelengths of such a system
    Publication number: 20030228149
    Abstract: For a WDM device including a multiplexer receiving fixed wavelengths, wavelength-converting parts for converting input wavelengths from optical transmission devices into the fixed wavelengths, and interface parts provided between the multiplexer and the wavelength-converting parts and having a specific wavelength that matches the fixed wavelength of the multiplexing part, a method and a device is provided for automatically determining the specific wavelength of the interface part that is to be selected as a converted wavelength output from the wavelength-converting part.
    Type: Application
    Filed: January 24, 2003
    Publication date: December 11, 2003
    Applicant: FUJITSU LIMITED
    Inventors: Kouji Kawakami, Kazutaka Kikuta, Shingo Hara