Patents by Inventor Nobushiro Aiba

Nobushiro Aiba 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).

  • Patent number: 8270657
    Abstract: An inserting type earphone device is broken down into a signal-to-sound converter, an ear pad to be inserted into an acoustic meatus of user, a sound tube provided between the signal-to-sound converter and the ear pad and a switching mechanism provided in association with the sound tube and ear pad, and a sound hole, which is formed in the sound tube for connecting a sound propagation hole to the outside, is open to and closed with the switching mechanism; the switching mechanism makes the sound hole open and closed through rotation thereof around the sound tube so that the ear pad is not inclined in the acoustic meatus during the rotation, whereby the ear pad is not dropped off from the acoustic meatus.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: September 18, 2012
    Assignee: Yamaha Corporation
    Inventors: Souichi Takigawa, Yoshikatsu Matsubara, Masayoshi Yamashita, Nobushiro Aiba, Tsuneyasu Demukai
  • Publication number: 20100166245
    Abstract: An inserting type earphone device is broken down into a signal-to-sound converter, an ear pad to be inserted into an acoustic meatus of user, a sound tube provided between the signal-to-sound converter and the ear pad and a switching mechanism provided in association with the sound tube and ear pad, and a sound hole, which is formed in the sound tube for connecting a sound propagation hole to the outside, is open to and closed with the switching mechanism; the switching mechanism makes the sound hole open and closed through rotation thereof around the sound tube so that the ear pad is not inclined in the acoustic meatus during the rotation, whereby the ear pad is not dropped off from the acoustic meatus.
    Type: Application
    Filed: December 22, 2009
    Publication date: July 1, 2010
    Applicant: Yamaha Corporation
    Inventors: Souichi Takigawa, Yoshikatsu Matsubara, Masayoshi Yamashita, Nobushiro Aiba, Tsuneyasu Demukai
  • Patent number: D255366
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: June 10, 1980
    Assignee: Nippon Gakki Seizo Kabushiki Kaisha
    Inventors: Sadayoshi Karaki, Nobushiro Aiba
  • Patent number: D520494
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: May 9, 2006
    Assignee: Yamaha Corporation
    Inventors: Nobushiro Aiba, Sunao Okamura
  • Patent number: D265832
    Type: Grant
    Filed: October 2, 1980
    Date of Patent: August 17, 1982
    Assignee: Nippon Gakki Seizo Kabushiki Kaisha
    Inventors: Yasuhiro Kira, Yoshiro Watabiki, Nobushiro Aiba, Katsumi Koyama
  • Patent number: D538259
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: March 13, 2007
    Assignee: Yamaha Corporation
    Inventors: Sunao Okamura, Nobushiro Aiba
  • Patent number: D579441
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: October 28, 2008
    Assignee: Yamaha Corporation
    Inventors: Sunao Okamura, Nobushiro Aiba
  • Patent number: D579914
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: November 4, 2008
    Assignee: Yamaha Corporation
    Inventors: Sunao Okamura, Nobushiro Aiba
  • Patent number: D589929
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: April 7, 2009
    Assignee: Yamaha Corporation
    Inventors: Sunao Okamura, Nobushiro Aiba