Patents by Inventor Kian Ohta

Kian Ohta 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: 20070098206
    Abstract: It is an object of the invention to provide an improved speaker grille and an improved speaker device capable of preventing a deterioration of the quality of a sound propagated in an inclined direction, using only a simple structure. The speaker device has a diaphragm and a grille provided in front of the diaphragm. The grille is formed in a position in front of the diaphragm, and has an open area in which an entire diameter of the diaphragm is opened in the right ahead direction of the diaphragm, also has shield areas formed on both sides of the open area for shielding part of the diaphragm viewed in an inclined direction, thereby making it possible to prevent a sound quality deterioration in the inclined direction using a simple structure. Moreover, since the grille is formed with the open area in the right ahead direction, there is no sound quality deterioration in the right ahead direction.
    Type: Application
    Filed: October 26, 2006
    Publication date: May 3, 2007
    Applicants: Pioneer Corporation, TOHOKU PIONEER CORPORATION
    Inventors: Tomiaki ANDO, Koji Matsumoto, Kian Ohta
  • Publication number: 20070030994
    Abstract: According to an embodiment of the invention, a speaker apparatus comprises: a frame having a flange portion on a front surface thereof and a recessed portion on a back face thereof; a terminal lug attached to the flange portion of the frame; a capacitor accommodated in the recessed portion of the frame. The capacitor has a capacitor lead wire connected to the terminal lug at the front surface of the frame. A voice coil is connected to the terminal lug at the front surface of the frame.
    Type: Application
    Filed: August 2, 2006
    Publication date: February 8, 2007
    Inventors: Tomiaki Ando, Yohji Ogata, Kian Ohta, Koji Matsumoto