4. Acoustics
  5. Diaphragm
  6. Critically defined material or coating

Yoshikazu Shirasaki

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Composite fibrous material

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent

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Fiber reinforced plastic and its reinforcement

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
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Fiber reinforced plastic solid or hollow molded article

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent

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Helmet with reinforcement

Apparel – Guard or protector – For wearer's head
Patent

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Speaker diaphragm

Acoustics – Diaphragm – Critically defined material or coating
Patent

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Profile ID: LFUS-PAI-P-253572

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