Assignee
LIU RONG-JI
5 granted patents·25 citations·filing 2001–2007
Technology mixH04N5
Top patents by PatentIndex Score
5 records- 0174US7031028B2Optical scanner equipped with plug-in calibration filmLIU RONG-JI·Filed 2001·Granted Apr 18, 2006·14 cites·11 claims
- 0271USRE42033ESingle step multi-section exposure scanning methodLIU RONG-JI·Filed 2005·Granted Jan 18, 2011·2 cites·10 claims
- 0369US8279496B2Method of optimal focusing for document scannerLIU RONG-JI·Filed 2006·Granted Oct 2, 2012·2 cites·31 claims
- 0466US7215447B2Method of optimal focusing for document scannerLIU RONG-JI·Filed 2002·Granted May 8, 2007·6 cites·8 claims
- 0565US7733541B2Method of shortening multiple-image scanning durationLIU RONG-JI·Filed 2007·Granted Jun 8, 2010·1 cites·25 claims
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