Title:
Noise masking device
Document Type and Number:
Japanese Patent JP6317863
Kind Code:
B2
Inventors:
Masanao Owaki
Application Number:
JP2014006746A
Publication Date:
April 25, 2018
Filing Date:
January 17, 2014
Export Citation:
Assignee:
Kumagai Gumi Co., Ltd.
International Classes:
E04B1/82; E04F17/04; E04H1/04; G10K11/175
Domestic Patent References:
| JP2009175534A | ||||
| JP3130260U | ||||
| JP2085637A | ||||
| JP2012159740A | ||||
| JP4133298U | ||||
| JP7095681A | ||||
| JP2014066898A |
Foreign References:
| WO2011036742A1 |
Attorney, Agent or Firm:
Junichi Miyazono
Miyazono Yasuo
Miyazono Yasuo
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