4. Acoustics
  5. Sound-modifying means
  6. Sound absorbing panels

Kyoji Fujiwara

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Light transmissive sound absorbing member

Acoustics – Sound-modifying means – Sound absorbing panels
Patent

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Sound absorbing body, sound absorbing board, and sound absorbing

Acoustics – Sound-modifying means – Sound absorbing panels
Patent

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Sound absorbing body, sound absorbing plate, and sound absorbing

Acoustics – Sound-modifying means – Sound absorbing panels
Patent

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Sound absorbing structure

Static structures (e.g. – buildings) – With exposed configuration having acoustical function – Absorbing material behind foraminous facing sheet
Reexamination Certificate

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Profile ID: LFUS-PAI-P-309171

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