Patents by Inventor Toki MORITAKA

Toki MORITAKA 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: 20260229213
    Abstract: A wearable acoustic device includes: a first microphone configured to collect external sound to acquire input sound; a second microphone configured to collect sound perceived by the ear in a state of the wearable acoustic device being worn on the ear of a user; a first processor configured to acoustically adjust the input sound using active noise control, based on the sound perceived by the ear collected by the second microphone, to acquire a first sound signal; a second processor configured to perform predetermined filter processing on the input sound, to acquire a second sound signal; a gain adjuster configured to adjust an attenuation amount characteristic of the sound perceived by the ear for a frequency to a predetermined characteristic and sound volume by combining the first sound signal and the second sound signal according to a level of the input sound.
    Type: Application
    Filed: March 31, 2026
    Publication date: August 6, 2026
    Inventors: Toki MORITAKA, Yusuke Konagai, Hideyoshi Masui
  • Patent number: 12614537
    Abstract: A wearable acoustic device includes: a first microphone configured to collect external sound to acquire input sound; a second microphone configured to collect sound perceived by the ear in a state of the wearable acoustic device being worn on the ear of a user; a first processor configured to acoustically adjust the input sound using active noise control, based on the sound perceived by the ear collected by the second microphone, to acquire a first sound signal; a second processor configured to perform predetermined filter processing on the input sound, to acquire a second sound signal; a gain adjuster configured to adjust an attenuation amount characteristic of the sound perceived by the ear for a frequency to a predetermined characteristic and sound volume by combining the first sound signal and the second sound signal according to a level of the input sound.
    Type: Grant
    Filed: May 28, 2024
    Date of Patent: April 28, 2026
    Assignee: Yamaha Corporation
    Inventors: Toki Moritaka, Yusuke Konagai, Hideyoshi Masui
  • Publication number: 20240404498
    Abstract: A wearable acoustic device includes: a first microphone configured to collect external sound to acquire input sound; a second microphone configured to collect sound perceived by the ear in a state of the wearable acoustic device being worn on the ear of a user; a first processor configured to acoustically adjust the input sound using active noise control, based on the sound perceived by the ear collected by the second microphone, to acquire a first sound signal; a second processor configured to perform predetermined filter processing on the input sound, to acquire a second sound signal; a gain adjuster configured to adjust an attenuation amount characteristic of the sound perceived by the ear for a frequency to a predetermined characteristic and sound volume by combining the first sound signal and the second sound signal according to a level of the input sound.
    Type: Application
    Filed: May 28, 2024
    Publication date: December 5, 2024
    Inventors: Toki MORITAKA, Yusuke KONAGAI, Hideyoshi MASUI