Patents by Inventor Keilchi Toiyama

Keilchi Toiyama 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).

  • Diversity type receiver apparatus and receiving method
    Publication number: 20060293006
    Abstract: The diversity receiving apparatus of the present invention can arbitrarily determine the master branch which is the reference to synchronize the output timing among the symbols of the signals received by a plurality of branches depending on the receiving condition. This structure allows the master branch to be replaced with another branch in excellent receiving condition when the master branch gets into bad receiving condition or when the antenna signal wire on the master side comes off or breaks, thereby achieving the selection and synthesis of carriers.
    Type: Application
    Filed: July 22, 2005
    Publication date: December 28, 2006
    Inventors: Tomohiko Taniguchi, Keilchi Toiyama, Kazuya Ueda