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

Youn-han Chang

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Battery with laminated insulator/metal/insulator case

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Intracell assembly having cell electrode connector
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Case including peripheral sealing portions for enclosing a...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Tape or flexible-type cell including tape fuel cells or...
Reexamination Certificate

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Lithium battery and manufacturing method thereof

Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
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Method for manufacturing lithium polymer secondary battery...

Metal working – Method of mechanical manufacture – Electrical device making
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Method of making a lithium polymer battery and battery made...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2444820

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