Inventor · disambiguated record
Fengren Liu
Also filed as: LIU FENGREN
3 granted patents·10 citations·filing 2007–2012
59Inventor score
Top patents by PatentIndex Score
3 records- 0176US7717979B2Composition for a desulfurizer with a high sulfur capacity and the process of making the sameBEIJING SJ ENVIRONMENTAL PROT & NEW MATERIAL CO LTD·Filed 2007·Granted May 18, 2010·9 cites·8 claims
- 0265US8585993B2Method for regenerating amorphous iron oxide hydroxide and desulfurizer containing amorphous iron oxide hydroxide as active componentLIU ZHENYI·Filed 2011·Granted Nov 19, 2013·1 cites·23 claims
- 0348US9659692B2Preparation method and application of magnetic iron oxide and desulfurizer containing the magnetic iron oxide as active componentLIU ZHENYI·Filed 2012·Granted May 23, 2017·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →