43 Utility and 1 Design Patents
#1,016 in Beijing
#2,131 in China
#50,883 in the World
rank by utility patentsForward Citations = 25
Company Filing History:
Schlumberger Technology Corporation
Chengdu Boe Optoelectronics Technology Co., Ltd.

4. 6 out of 2,398

5. 2 out of 1,366

where one patent can have more than one assignee
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