4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Jen-Hui Tsai

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Conductive film structure, fabrication method thereof, and...

Metal working – Method of mechanical manufacture – Electrical device making
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Directional coupler for microwave cavities

Wave transmission lines and networks – Plural channel systems – Having branched circuits
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Lamp fixture

Illumination – Light modifier – Refractor
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Sound quality improving mechanism for loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
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Speaker system

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
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Profile ID: LFUS-PAI-P-2208539

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