Patents by Inventor Noburo Higashi

Noburo Higashi 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).

  • Optical dispersion compensating device and optical dispersion compensating method using the device
    Publication number: 20040032661
    Abstract: In the past, the occurrence of wavelength dispersion in signals transmitted through optical fibers caused considerable problems in terms of communications at a communications bit rate of 10 Gbps or more, and particularly optical communications at 20 Gbps or more. In order to solve the problems, though various proposals of dispersion compensation method and element have been made for its compensation, any of which did not solve it.
    Type: Application
    Filed: January 21, 2003
    Publication date: February 19, 2004
    Inventors: Kazuro Kikuchi, Yuichi Takushima, Mark K Jablonski, Yuichi Tanaka, Haruki Kataoka, Kenji Furuki, Noburo Higashi, Kazunori Sato, Shiro Yamashita