Inventor · disambiguated record
An Ma
Also filed as: MA AN · MA AN-YU
5 granted patents·6 pending applications·166 citations·filing 2001–2022
75Inventor score
Top patents by PatentIndex Score
11 records- 0191US6660157B2Heavy oil hydrocracking process with multimetallic liquid catalyst in slurry bedPETROCHINA CO LTD·Filed 2001·Granted Dec 9, 2003·159 cites·13 claims
- 0256US2025058297A1Zirconium-Based Metal-Organic Framework Material and Preparation Method Therefor and Use Thereof, and Adsorption Separation Device and MethodPETROCHINA CO LTD·Filed 2022·Application pending·0 cites
- 0351US7316773B2Catalytic cracking process and the device used thereinPETROCHINA CO LTD·Filed 2004·Granted Jan 8, 2008·7 cites·4 claims
- 0450US9422486B2Selective hydrogenation catalyst for unsaturated compoundPETROCHINA CO LTD·Filed 2012·Granted Aug 23, 2016·0 cites·20 claims
- 0548US9352539B2Microcavity carrier with image enhancement for laser ablationLIANG RONG-CHANG·Filed 2013·Granted May 31, 2016·0 cites·10 claims
- 0646US2021189267A1Method and device for viscosity-reducing and upgrading of low-grade heavy oilPETROCHINA CO LTD·Filed 2020·Application pending·0 cites
- 0745US2014141195A1FIXED ARRAY ACFs WITH MULTI-TIER PARTIALLY EMBEDDED PARTICLE MORPHOLOGY AND THEIR MANUFACTURING PROCESSESLIANG RONG-CHANG·Filed 2012·Application pending·0 cites
- 0841US7785547B2Apparatus and method for increasing the concentration of recycled hydrogen in a high pressure hydrogenation reactorPETROCHINA CO LTD·Filed 2007·Granted Aug 31, 2010·0 cites·3 claims
- 0936US2003147791A1Multi-stage loop reactorFiled 2002·Application pending·0 cites
- 1029US2002108887A1Two-stage riser catalytic cracking processPETROCHINA COMPANY LTD AND UNI·Filed 2001·Application pending·0 cites
- 1127US2005277801A1Combined process for recovering hydrogen, ethylene, ethane or separating ethylene cracked gas from dry gas of refinery plantsCHEN GUANGJIN·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →