Assignee
CHANG CHING HUI
TW·2 granted patents·1 pending application·0 citations·filing 2009–2012
Top patents by PatentIndex Score
3 records- 0143US8274002B2Modular keyboard and manufacturing method thereofCHANG CHING-HUI·Filed 2009·Granted Sep 25, 2012·0 cites·10 claims
- 0239US8673324B2Method for producing gamma-aminobutyric acid and food produced therebyCHANG CHING-HUI·Filed 2012·Granted Mar 18, 2014·0 cites·12 claims
- 0330US2013299955A1Film based ic packaging method and a packaged ic deviceCHANG CHING HUI·Filed 2012·Application pending·0 cites
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