Title:
SOUND-ABSORBING MEMBER, SOUND-ABSORBING PANEL, AND SOUND-ABSORBING WALL
Document Type and Number:
WIPO Patent Application WO/2023/199667
Kind Code:
A1
Abstract:
A sound-absorbing unit 10 has: hollow parts surrounded by an outer shell that is optically transmissive; and holes that connect the insides and outsides of the hollow parts.
Inventors:
GOMI MASAKI (JP)
TAIRA YUDAI (JP)
EZURE HARUHIRO (JP)
KAWAMURA MASATO (JP)
ITO HIROYUKI (JP)
TAIRA YUDAI (JP)
EZURE HARUHIRO (JP)
KAWAMURA MASATO (JP)
ITO HIROYUKI (JP)
Application Number:
PCT/JP2023/009220
Publication Date:
October 19, 2023
Filing Date:
March 10, 2023
Export Citation:
Assignee:
PIXIE DUST TECH INC (JP)
International Classes:
E04B1/86; G10K11/172; E04C2/54; G10K11/16
Domestic Patent References:
| WO2018211120A1 | 2018-11-22 |
Foreign References:
| JP2007100394A | 2007-04-19 | |||
| JP2002317408A | 2002-10-31 | |||
| JP2009030432A | 2009-02-12 | |||
| JP3167362U | 2011-04-21 |
Attorney, Agent or Firm:
IPTECH PATENT PROFESSIONAL CORPORATION (JP)
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