With 378 patents held between 2002 and 2022, Xyleco, Inc. holds the most number of Oil Sands patents in the Oil & Gas sector in the Asia-Pacific region.
The second largest number of patents were held by Shell plc with 374 Oil Sands patents, of which 94.7% was contributed by Shell Internationale Research Maatschappij B.V.. The third largest number of patents were held by China Petrochemical Corp with 124 Oil Sands patents, of which 72.6% was contributed by China Petroleum & Chemical Corp. The fourth largest number of patents were held by Red Leaf Resources Inc with 73 Oil Sands patents. The fifth largest number of patents were held by China University of Petroleum with 71 Oil Sands patents.
The top five patents holders, i.e., Xyleco, Inc., Shell plc, China Petrochemical Corp, Red Leaf Resources Inc, and China University of Petroleum, together held 1,020 Oil Sands patents during the period.
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