Patents by Inventor Kazuharu NAKAGAWA

Kazuharu NAKAGAWA 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).

  • Publication number: 20240081980
    Abstract: A vocalization assistance device includes: a mounting body that is mounted in an oral cavity of a person and that has a facing portion facing a palate of the person; a diaphragm that is provided at the facing portion and that is capable of outputting a sound recorded by a device having a recording function, as an original sound; and a passage that is provided at the facing portion and that is configured to transmit the original sound output from the diaphragm to a rear side of the oral cavity.
    Type: Application
    Filed: January 25, 2022
    Publication date: March 14, 2024
    Applicant: National University Corporation Tokyo Medical and Dental University
    Inventors: Haruka TOHARA, Taishi YAMADA, Kazuharu NAKAGAWA, Kohei YAMAGUCHI, Daiki MIZUGUCHI