Patents by Inventor Jun Shiroishi

Jun Shiroishi 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).

  • EARPHONE DEVICE
    Publication number: 20220086555
    Abstract: [Problem] To provide an earphone device with which a user can satisfactorily listen to audio data regardless of the wearing state of an earphone.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 17, 2022
    Inventors: Shinya Narisawa, Osamu Horikawa, Jun Shiroishi