Patents by Inventor Haruichi Kato

Haruichi Kato 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).

  • Black key for keyboard instrument and method of manufacturing a black key cover
    Patent number: 7608772
    Abstract: A black key for a keyboard instrument, in which a black key cover incorporating a weight can be manufactured at low costs, and the black key cover can be firmly mounted on a key body, in a state stably holding the weight in a black key cover body. A swingable key body extends in a front-rear direction. A black key cover body has a hollow shape opening downward, and is mounted on a front portion of the upper surface of the key body in a manner covering the front portion. A weight is received within the black key cover body. The black key cover body has at least one of lower walls protruding inward from lower portions of left and right side walls, for holding the weight from below. The lower surfaces of the lower walls are bonded to the key body.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: October 27, 2009
    Assignee: Kabushiki Kaisha Kawai Gakki Seisakusho
    Inventor: Haruichi Kato
  • BLACK KEY FOR KEYBOARD INSTRUMENT AND METHOD OF MANUFACTURING A BLACK KEY COVER
    Publication number: 20080257132
    Abstract: A black key for a keyboard instrument, in which a black key cover incorporating a weight can be manufactured at low costs, and the black key cover can be firmly mounted on a key body, in a state stably holding the weight in a black key cover body. A swingable key body extends in a front-rear direction. A black key cover body has a hollow shape opening downward, and is mounted on a front portion of the upper surface of the key body in a manner covering the front portion. A weight is received within the black key cover body. The black key cover body has at least one of lower walls protruding inward from lower portions of left and right side walls, for holding the weight from below. The lower surfaces of the lower walls are bonded to the key body.
    Type: Application
    Filed: April 23, 2008
    Publication date: October 23, 2008
    Applicant: Kabushiki Kaisha Kawai Gakki Seisakusho
    Inventor: Haruichi KATO