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

Chih-Hung Hsu

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Burglar alarm device

Communications: electrical – Condition responsive indicating system – Specified housing
Reexamination Certificate

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LED lamp manufacturing method

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

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Method of manufacturing photo couplers

Semiconductor device manufacturing: process – Packaging or treatment of packaged semiconductor – Making plural separate devices
Reexamination Certificate

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Structure of a lead-frame matrix of photoelectron devices

Active solid-state devices (e.g. – transistors – solid-state diode – Lead frame – With dam or vent for encapsulant
Reexamination Certificate

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Structure of a lead-frame matrix of photoelectron devices

Active solid-state devices (e.g. – transistors – solid-state diode – Lead frame – With dam or vent for encapsulant
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2246960

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