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

Shuhei Ohta

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Loudspeaker structure

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Method for forming a hard carbon thin film on article and applic

Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...
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Method for forming a hard carbon thin film on article and applic

Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
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Speaker diaphragm

Acoustics – Diaphragm – Critically defined material or coating
Patent

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Profile ID: LFUS-PAI-P-253569

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