Patents by Inventor Tomotaka Muta

Tomotaka Muta 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).

  • Publication number: 20050198654
    Abstract: It is an optical disk apparatus which is equipped with a cover, a tray which is disposed in such a manner that it can be inserted into and pulled out from the cover, a spindle motor which is disposed on the tray and rotates an optical disk, and a carriage which is held on the tray in a movable manner and on which an optical device, which carries out at least one of recording and reproduction to an optical disk, is mounted and which comes close to and comes free from the spindle motor and, on a surface of the cover, which faces the carriage, at least one of a concave portion or a convex portion, which is of a nearly circular shape nearly concentrically with a center of the cover or of a polygonal shape nearly concentrically with a center of the cover, is disposed.
    Type: Application
    Filed: March 4, 2005
    Publication date: September 8, 2005
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Tomotaka Muta, Hirohiko Oowaki, Kenichi Nakano, Tetsuya Nishio
  • Patent number: D510932
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: October 25, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kenichi Nakano, Hirohiko Owaki, Tetsuya Nishio, Tomotaka Muta