US Patent 11145278 Keyboard instrument

Patent 11145278 was granted and assigned to Roland on October, 2021 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Applicant

Roland

Current Assignee

Roland

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

111452780

Patent Inventor Names

Yukihide Takata0

Yoshiyasu Kitagawa0

Date of Patent

October 12, 2021

Patent Application Number

201902130

Date Filed

February 13, 2019

Patent abstract

There is provided a keyboard instrument in which a plurality of white keys and a plurality of black keys are arranged in a widthwise direction, a total width dimension of the plurality of white keys that constitute one octave is set to 160 mm or less, and a width dimension of an upper surface of each of the black keys is set to 9 mm or more and 10.5 mm or less.