13 Utility Patents
#3,446 in Beijing
#9,295 in China
#294,950 in the World
Forward Citations = 5
Company Filing History:
Grirem Advanced Materials Co., Ltd.
General Research Institute for Nonferrous Metals
Grirem Hi-tech Co., Ltd.
4. 1 out of 4
Rare Earth Functional Materials (xiong'an) Innovation Center Co., Ltd.
5. 1 out of 1
General Research Institute for Nonferrous Metals, Beijing
where one patent can have more than one assignee
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