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

Chien-cheng Yang

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Fabricating method for earphone

Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate

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Method of manufacturing bendable solid state lighting

Semiconductor device manufacturing: process – Making device or circuit emissive of nonelectrical signal – Packaging or treatment of packaged semiconductor
Reexamination Certificate

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Substrate-free light emitting diode

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2203700

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