The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 2025
Filed:
Sep. 14, 2023
Yamaha Corporation, Hamamatsu, JP;
Yuichi Tadano, Hamamatsu, JP;
Ayumi Irisa, Hamamatsu, JP;
Kazuki Soga, Hamamatsu, JP;
Junnosuke Kaseda, Hamamatsu, JP;
Hisaaki Mukai, Hamamatsu, JP;
Eri Hirai, Hamamatsu, JP;
Ichiro Osuga, Hamamatsu, JP;
YAMAHA CORPORATION, Hamamatsu, JP;
Abstract
An object of the present invention is to provide a tone plate that can be increased in strength and that can produce the original sound of the material. A tone plateaccording to an aspect of the present invention includes: a surface layerhaving a striking surface; and a base layerthat is laminated directly or indirectly onto a face of the surface layeron the side opposite to the striking surface, wherein the surface layeris a layer of wood impregnated with resin, and the base layeris not impregnated with resin.