Patents by Inventor Ken TERAI

Ken TERAI 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 absorber and projector
    Patent number: 11217218
    Abstract: A sound absorber includes a side surface section (a first wall section) in which a plurality of first holes are provided, the side surface section including a first surface and a second surface, a thin film stuck to the first surface of the side surface section, a partition wall (a second wall section) opposed to the second surface and provided in a position separated from the second surface, at least one second hole being provided in the partition wall, and a porous material provided to be opposed to the second wall section in a position separated from the partition wall.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: January 4, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Norikazu Kadotani, Ken Terai, Yoshiaki Iwatani, Masatoshi Tanaka, Shin Aruga
  • SOUND ABSORBER AND PROJECTOR
    Publication number: 20190115003
    Abstract: A sound absorber includes a side surface section (a first wall section) in which a plurality of first holes are provided, the side surface section including a first surface and a second surface, a thin film stuck to the first surface of the side surface section, a partition wall (a second wall section) opposed to the second surface and provided in a position separated from the second surface, at least one second hole being provided in the partition wall, and a porous material provided to be opposed to the second wall section in a position separated from the partition wall.
    Type: Application
    Filed: October 15, 2018
    Publication date: April 18, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Norikazu KADOTANI, Ken TERAI, Yoshiaki IWATANI, Masatoshi TANAKA, Shin ARUGA