Inventor · disambiguated record
Liren Du
Also filed as: DU LIREN
9 granted patents·3 pending applications·98 citations·filing 2001–2005
85Inventor score
Top patents by PatentIndex Score
12 records- 0192US7031574B2Plug-in module for providing bi-directional data transmissionFINISAR CORP·Filed 2003·Granted Apr 18, 2006·66 cites·30 claims
- 0266US6919989B1Integrated optical isolator and polarization beam combinerFINISAR CORP·Filed 2003·Granted Jul 19, 2005·10 cites·17 claims
- 0364US7043101B1Integrated optical pump moduleFINISAR CORP·Filed 2003·Granted May 9, 2006·11 cites·23 claims
- 0453US6973224B1Multi-channel polarization beam combiner/splitterFINISAR CORP·Filed 2003·Granted Dec 6, 2005·4 cites·23 claims
- 0550US7010193B1Adjustable optical signal collimatorFINISAR CORP·Filed 2003·Granted Mar 7, 2006·3 cites·33 claims
- 0641US7173762B2Optical isolator with reduced insertion loss and minimized polarization mode dispersionFINISAR CORP·Filed 2001·Granted Feb 6, 2007·2 cites·34 claims
- 0741US6987905B2Simplified gain flattening and tap deviceFINISAR CORP·Filed 2003·Granted Jan 17, 2006·0 cites·28 claims
- 0840US7023618B2Dual-stage optical isolator minimized polarization mode dispersion and simplified fabrication processFINISAR CORP·Filed 2001·Granted Apr 4, 2006·2 cites·15 claims
- 0939US7585546B2Surface passivation and sealing of micro-optics devices for improved performance in harsh environmentsFINISAR CORP·Filed 2004·Granted Sep 8, 2009·0 cites·30 claims
- 1039US2006044650A1Low insertion loss circulatorDU LIREN·Filed 2005·Application pending·0 cites
- 1137US2002110307A1Optical polarization beam splitter/combiner with isolation in the backward optical pathFiled 2002·Application pending·0 cites
- 1236US2004086214A1Optical circulator for bi-directional communicationFINISAR CORP·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →