Patents by Inventor Shizuka ISHIGAKI

Shizuka ISHIGAKI 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 control apparatus and sound control method
    Patent number: 11895481
    Abstract: A sound control apparatus includes: a display panel that is supported by a base provided in a vehicle in a manner in which an angle of the display panel relative to the base is variable; an angle detector configured to detect the angle; and a controller configured to change sound setting in a cabin of the vehicle in accordance with the angle.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: February 6, 2024
    Assignee: DENSO TEN Limited
    Inventors: Nobuaki Kajimoto, Shizuka Ishigaki
  • PANEL-TYPE SPEAKER
    Publication number: 20230336917
    Abstract: A panel-type speaker includes a panel and an actuator and is configured to vibrate the panel by the actuator so as to output sound waves from the panel, the actuator includes: a vibrating plate; and a piezoelectric element arranged on at least one surface of the vibrating plate, the piezoelectric element has, at a central portion of the piezoelectric element in a plan view, an opening from which the vibrating plate is exposed, and at a portion of the vibrating plate exposed from the opening, the vibrating plate is coupled to the panel.
    Type: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Applicant: DENSO TEN Limited
    Inventors: Shizuka ISHIGAKI, Hironori SHIROTO, Yutaka MATSUNAMI
  • SOUND CONTROL APPARATUS AND SOUND CONTROL METHOD
    Publication number: 20230209292
    Abstract: A sound control apparatus includes: a display panel that is supported by a base provided in a vehicle in a manner in which an angle of the display panel relative to the base is variable; an angle detector configured to detect the angle; and a controller configured to change sound setting in a cabin of the vehicle in accordance with the angle.
    Type: Application
    Filed: March 17, 2022
    Publication date: June 29, 2023
    Applicant: DENSO TEN Limited
    Inventors: Nobuaki KAJIMOTO, Shizuka ISHIGAKI
  • PANEL-TYPE SPEAKER
    Publication number: 20220377462
    Abstract: A panel-type speaker includes a panel and an actuator and is configured to vibrate the panel by the actuator so as to output sound waves from the panel, the actuator includes: a vibrating plate; and a piezoelectric element arranged on at least one surface of the vibrating plate, the piezoelectric element has, at a central portion of the piezoelectric element in a plan view, an opening from which the vibrating plate is exposed, and at a portion of the vibrating plate exposed from the opening, the vibrating plate is coupled to the panel.
    Type: Application
    Filed: September 27, 2021
    Publication date: November 24, 2022
    Applicant: DENSO TEN Limited
    Inventors: Shizuka ISHIGAKI, Hironori SHIROTO, Yutaka MATSUNAMI
  • Speaker device
    Patent number: 11076223
    Abstract: A speaker device in an embodiment includes a panel and an actuator. The actuator is provided on the panel. The actuator includes a diaphragm, a piezoelectric element, and a vibration transmission portion. The piezoelectric element is provided on at least one of principal surfaces of the diaphragm. The vibration transmission portion is provided on the diaphragm and abuts the panel without making contact with the piezoelectric element.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: July 27, 2021
    Assignee: DENSO TEN Limited
    Inventors: Shinichi Ikeda, Shizuka Ishigaki
  • SPEAKER DEVICE
    Publication number: 20200275194
    Abstract: A speaker device in an embodiment includes a panel and an actuator. The actuator is provided on the panel. The actuator includes a diaphragm, a piezoelectric element, and a vibration transmission portion. The piezoelectric element is provided on at least one of principal surfaces of the diaphragm. The vibration transmission portion is provided on the diaphragm and abuts the panel without making contact with the piezoelectric element.
    Type: Application
    Filed: December 17, 2019
    Publication date: August 27, 2020
    Applicant: DENSO TEN Limited
    Inventors: Shinichi IKEDA, Shizuka ISHIGAKI