Patents by Inventor Sena OTSUKA

Sena OTSUKA 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 Housing and Earphone
    Publication number: 20230111906
    Abstract: An earphone housing includes an inserter to be inserted into an outer ear hole, and a main body to be coupled to the inserter. The main body includes a bottom surface to contact a surface of a cavum concha, and a side surface to contact a tragus and an antitragus. The side surface includes a depressed part depressed inward and contacting a top of the antitragus, and the side surface contacts the tragus at a part other than the depressed part.
    Type: Application
    Filed: October 11, 2022
    Publication date: April 13, 2023
    Inventors: Yasuaki TAKANO, Hiroyuki AYAME, Tomoaki MORI, Kazuki KASHIWASE, Sena OTSUKA
  • Earphone
    Patent number: D1018498
    Type: Grant
    Filed: June 9, 2022
    Date of Patent: March 19, 2024
    Assignee: YAMAHA CORPORATION
    Inventor: Sena Otsuka