Patents by Inventor Ohshi Miyashita

Ohshi Miyashita 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 earpiece
    Patent number: D318473
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: July 23, 1991
    Inventors: Ohshi Miyashita, Katsumi Yamatogi
  • Headphone
    Patent number: D328074
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: July 21, 1992
    Assignee: Sony Corporation
    Inventors: Akira Yamazaki, Ohshi Miyashita
  • Earphone case
    Patent number: D333560
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: March 2, 1993
    Assignee: Sony Corporation
    Inventors: Ohshi Miyashita, Katsumi Yamatogi