41 Utility Patents
#1,055 in Beijing
#2,233 in China
#54,875 in the World
Forward Citations = 36
Company Filing History:


China Petroleum & Chemical Corporation
4. 4 out of 2,490
Chengdu Boe Optoelectronics Technology Co., Ltd.
5. 2 out of 163,996

where one patent can have more than one assignee
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