Patents Assigned to Kabushiki Kaisha Matsuya Sougou Kenkyusyo
  • Electronic piano having variable keys
    Patent number: 6624348
    Abstract: An electronic piano having a keyboard which is divided into plural zones each comprising two or more keys as one unit. with a tone being allocated to each of the zones. One can play the electronic piano in a sense of play. Besides, since each of the zones can be struck in a lump, this electronic piano is suitable for a person having large hands and fingers or a person declined in dexterity such as an old person or a physically handicapped person. This electronic piano can be utilized as a musical instrument for rehabilitation.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: September 23, 2003
    Assignee: Kabushiki Kaisha Matsuya Sougou Kenkyusyo
    Inventor: Nobukado Matsutsuka