Title:
A composite material for sound material, and a composite material manufacturing method for sound material
Document Type and Number:
Japanese Patent JP6244808
Kind Code:
B2
Inventors:
Hiroshi Nakajima
Application Number:
JP2013216639A
Publication Date:
December 13, 2017
Filing Date:
October 17, 2013
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
B27M3/00; B27K5/00; B27N3/04; B27N3/14; H04R7/02; H04R31/00
Domestic Patent References:
| JP2010221645A | ||||
| JP2007196692A | ||||
| JP6178386A |
Foreign References:
| US20040168851 |
Attorney, Agent or Firm:
Hajime Amano
Koji Ishida
Kazuki Kagami
Koji Ishida
Kazuki Kagami