13 Utility Patents
#3,502 in Beijing
#9,525 in China
#297,277 in the World
Forward Citations = 12
Company Filing History:
Other


4. 2 out of 2
Qixianhe (beijing) Technology Co., Ltd.
5. 1 out of 5
Beijing Research Institute of Uranium Geology
where one patent can have more than one assignee
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