4. Electrical audio signal processing systems and devices
  5. Hearing aids, electrical
  6. Specified casing or housing

Junichi Hayakawa

Inventor

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Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and...

Acoustics – Diaphragm – Critically defined material or coating
Reexamination Certificate

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Combined tripod leg and leg locks

Photography and optical equipment – Photographic accessory – Support
Patent

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Cryopump

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Leg pad and spike for tripod

Supports – Stand – Understructure
Patent

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Locking device for tripod leg sections

Supports – Stand – Understructure
Patent

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Profile ID: LFUS-PAI-P-191917

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