15 Utility Patents
#3,060 in Beijing
#8,082 in China
#248,522 in the World
Forward Citations = 37
Company Filing History:

China Petroleum Chemical Corporation

4. 4 out of 54,638

5. 2 out of 1,470
Hefei Xinsheng Optoelectronics Technology Co., Ltd.
where one patent can have more than one assignee
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