Patents by Inventor Isao Sone

Isao Sone 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).

  • One-piece speaker assembly
    Patent number: 6876743
    Abstract: A one-piece speaker assembly has a speaker having a case, a gasket made of elastomer and secured to an upper portion of the case, and a connector made of elastomer and secured to an underside of the case.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: April 5, 2005
    Assignee: Citizen Electronics Co., Ltd.
    Inventors: Masato Asahina, Isao Sone
  • One-piece speaker assembly
    Publication number: 20020170772
    Abstract: A one-piece speaker assembly has a speaker having a case, a gasket made of elastomer and secured to an upper portion of the case, and a connector made of elastomer and secured to an underside of the case.
    Type: Application
    Filed: May 16, 2002
    Publication date: November 21, 2002
    Inventors: Masato Asahina, Isao Sone