4. Acoustics
  5. Sound-modifying means
  6. Sound absorbing fence or screen

Kei Watanabe

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active

Composition for film formation, insulating film,...

Active solid-state devices (e.g. – transistors – solid-state diode – With means to control surface effects – Insulating coating
Reexamination Certificate

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Device for controlling a propagation direction of noise

Acoustics – Sound-modifying means – Sound absorbing fence or screen
Patent

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Device for controlling a propagation direction of noise

Railway rolling stock – Sound deadeners
Patent

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Emulsion composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent

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Liquid crystal composition and cosmetic preparation

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-124823

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