Title:
騒音低減装置
Document Type and Number:
Japanese Patent JP4922773
Kind Code:
B2
Inventors:
Tatsumi Nakajima
Application Number:
JP2007014038A
Publication Date:
April 25, 2012
Filing Date:
January 24, 2007
Export Citation:
Assignee:
TAKENAKA CORPORATION
International Classes:
E01F8/00; G10K11/178; H04R1/40; H04R3/00; H04R3/12
Domestic Patent References:
| JP2006299799A | ||||
| JP2006138130A | ||||
| JP4000500A | ||||
| JP2003108151A | ||||
| JP2001172925A | ||||
| JP720880A |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda