Patents by Inventor Kiyohiro Horie

Kiyohiro Horie 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).

  • Digital audio tone evaluating system
    Patent number: 6718217
    Abstract: Disclosed herein is a digital audio tone evaluating system comprising an analyzer for subjecting a digital signal related to voice and/or music to signal processing, thereby operating a factor which expresses the auditory tone quality of the voice and/or the music by the digital signal in a digitized form. The system can objectively evaluate auditory tone quality by digital audio.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: April 6, 2004
    Assignee: JSR Corporation
    Inventors: Hironobu Shinohara, Kiyohiro Horie, Naraji Sakamoto, Tetsuo Fujihara