Patents by Inventor Kiyoyuki TOMIMATSU

Kiyoyuki TOMIMATSU 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).

  • Sound absorption structure
    Patent number: 11521589
    Abstract: A sound absorption structure includes resonators that constitute separate bodies from each other and that produce Helmholtz resonance and a pliable coupling member that couples the plurality of resonators. Each of the resonators has a tubular shape or a pipe shape, includes an opening portion provided on a first end face, and includes a bottom portion provided on a second end face that is an opposite end face to the first end face. Each of the resonators is pliable.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: December 6, 2022
    Assignee: Yamaha Corporation
    Inventor: Kiyoyuki Tomimatsu
  • Sound Absorbing Member, Sound Absorbing Apparatus, and Sound Absorbing Structure
    Publication number: 20210256948
    Abstract: A sound absorbing member includes a first end face, a second end face, and a side face. The second end face is opposite to the first end face. The side face is positioned between the first end face and the second end face. The sound absorbing member is insertable into an aperture provided on a plate-like or sheet-like base material. The sound absorbing member has a tubular shape. The first end face includes a first opening. The side face includes at least one second opening.
    Type: Application
    Filed: May 4, 2021
    Publication date: August 19, 2021
    Inventors: Kiyoyuki TOMIMATSU, Yoshikazu HONJI
  • Sound Absorption Structure
    Publication number: 20200143787
    Abstract: A sound absorption structure includes resonators that constitute separate bodies from each other and that produce Helmholtz resonance and a pliable coupling member that couples the plurality of resonators. Each of the resonators has a tubular shape or a pipe shape, includes an opening portion provided on a first end face, and includes a bottom portion provided on a second end face that is an opposite end face to the first end face. Each of the resonators is pliable.
    Type: Application
    Filed: November 4, 2019
    Publication date: May 7, 2020
    Inventor: Kiyoyuki TOMIMATSU