Title:
音響装置
Document Type and Number:
Japanese Patent JP4352908
Kind Code:
B2
Inventors:
Toshio Iwai
Nobuo Hara
Masanori Negoro
Yasuhiko Asahi
Nobuo Hara
Masanori Negoro
Yasuhiko Asahi
Application Number:
JP2004015203A
Publication Date:
October 28, 2009
Filing Date:
January 23, 2004
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
A63B23/035; H04R5/02; A63C17/02; H04R1/00
Domestic Patent References:
| JP61161097A | ||||
| JP2013460U | ||||
| JP3079023U |
Attorney, Agent or Firm:
Patent business corporation Prospec patent office