Patents by Inventor Makoto Kanemitsu

Makoto Kanemitsu 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).

  • Key for musical instrument
    Patent number: 6531651
    Abstract: A key is provided for permitting simple attachment of a weight and easy adjustment of a touch load, while using an alternative material for substitution for lead as a material for the weight, to thereby reduce the manufacturing cost. A swingable key body is formed with an embedding hole. The weight is made of a composite material produced by blending a plurality of kinds of materials except for lead in a predetermined blending proportion to have a predetermined specific gravity, and is removably attached to the embedding hole of the key body.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: March 11, 2003
    Assignee: Kabushiki Kaisha Kawai Gakki Seisakusho
    Inventors: Makoto Kanemitsu, Mitsuo Yamashita, Hiroyuki Kurita, Masahiko Abiko
  • Key for musical instrument
    Publication number: 20010027712
    Abstract: A key is provided for permitting simple attachment of a weight and easy adjustment of a touch load, while using an alternative material for substitution for lead as a material for the weight, to thereby reduce the manufacturing cost. A swingable key body is formed with an embedding hole. The weight is made of a composite material produced by blending a plurality of kinds of materials except for lead in a predetermined blending proportion to have a predetermined specific gravity, and is removably attached to the embedding hole of the key body.
    Type: Application
    Filed: May 2, 2001
    Publication date: October 11, 2001
    Inventors: Makoto Kanemitsu, Mitsuo Yamashita, Hiroyuki Kurita, Masahiko Abiko
  • Method of assembling an upright piano
    Patent number: 5959223
    Abstract: There is provided a method of assembling an upright piano. The upright piano is divided into a plurality kinds of units. The plurality of kinds of units are each separately assembled, and these plurality of kinds of units thus assembled are joined to each other, to thereby assemble the upright piano.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: September 28, 1999
    Assignee: Kabushiki Kaisha Kawai Gakki Seisakusho
    Inventors: Riichi Kitashima, Makoto Kanemitsu, Shinichiro Miwa, Hidetaka Hanajima