Patents by Inventor Yoshinori Tachikawa

Yoshinori Tachikawa 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: 7580539
    Abstract: A headphone is made handy for carrying or storing. The headphone includes a pair of right and left headphone units, and an elastic band formed substantially into a U shape, which is mounted ranging from the human head to both sides of the head, and supports the headphone units in end portions thereof. A multiaxial arm joint is provided between an end part of the elastic band and the headphone unit, and includes a first arm, one end of which is connected turnably to the end part of the elastic band, and a second arm, one end of which is connected turnably to the other end of the first arm and the other end of which is connected turnably to the headphone unit. By turning the connecting portions of the multiaxial arm joint, the headphone units are housed within an internal space encircled by the elastic band.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: August 25, 2009
    Assignee: Kabushiki Kaisha Audio-Technica
    Inventor: Yoshinori Tachikawa
  • Publication number: 20060062417
    Abstract: There is provided a headphone which is handy for carrying or storing because of its compactness, and also provides a good sense of mounting. The headphone includes a pair of right and left headphone units 12 and an elastic band 22 formed substantially into a U shape, which is mounted ranging from the human head's crown to both sides of the head, and supports the headphone units 12 in end portions thereof. Between an end part of the elastic band 22 and the headphone unit 12, there is provided a multiaxial arm joint 42 including a first arm 43 one end of which is connected turnably to the end part of the elastic band 22 and a second arm 63 one end of which is connected turnably to the other end of the first arm 43 and the other end of which is connected turnably to the headphone unit 12. By tuning the connecting portions of the multiaxial arm joint 42 the headphone units 12 are housed within an internal space 24 encircled by the elastic band 22.
    Type: Application
    Filed: September 9, 2005
    Publication date: March 23, 2006
    Applicant: KABUSHIKI KAISHA AUDIO-TECHNICA
    Inventor: Yoshinori Tachikawa
  • Patent number: D512983
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: December 20, 2005
    Assignee: Kabushiki Kaisha Audio-Technica
    Inventor: Yoshinori Tachikawa