Inventor · disambiguated record
Chi-Fen Chang
Also filed as: CHANG CHI-FEN
2 granted patents·4 pending applications·43 citations·filing 2005–2016
56Inventor score
Top patents by PatentIndex Score
6 records- 0191US7435018B2Hidden image capturing deviceINVENTEC CORP·Filed 2006·Granted Oct 14, 2008·43 cites·10 claims
- 0238US2007013668A1Recessed touch padINVENTEC CORP·Filed 2005·Application pending·0 cites
- 0337US2007007399A1Electronic apparatus with optical module having muscles suppleness effect by emitting light rays into hand and wrist operating thereonINVENTEC CORP·Filed 2005·Application pending·0 cites
- 0435US2006146031A1Wireless touch-control panel and information process system using the sameWANG HUI-CHEN·Filed 2005·Application pending·0 cites
- 0532US2007081290A1Ionizer incorporated with electronic applianceINVENTEC CORP·Filed 2005·Application pending·0 cites
- 0628US9708310B2Phenanthroindolizidine and phenanthroquinolizidine alkaloid having a hydroxyl group on the phenanthrene ring thereof, preparation method and use thereofCHUANG TA-HSIEN·Filed 2016·Granted Jul 18, 2017·0 cites·10 claims
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