Assignee
CHANG HUNG-CHIEH
TW·2 granted patents·1 pending application·2 citations·filing 2009–2011
Top patents by PatentIndex Score
3 records- 0171US8072781B2Electronic deviceCHANG HUNG-CHIEH·Filed 2009·Granted Dec 6, 2011·2 cites·18 claims
- 0239US9071715B2Method for detecting whether paper is remained by using means of time-detecting and image-similarity comparing and multi-function printer thereofCHANG HUNG-CHIEH·Filed 2011·Granted Jun 30, 2015·0 cites·12 claims
- 0336US2012113451A1Method for detecting whether paper is remained and multi-function printer thereofCHANG HUNG-CHIEH·Filed 2011·Application pending·0 cites
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