56 Utility Patents
#700 in Beijing
#1,392 in China
#31,129 in the World
Forward Citations = 59
Company Filing History:

B. J. Zh. F. Panther Medical Equipment Co., Ltd.
Schlumberger Technology Corporation
4. 5 out of 1,784

5. 4 out of 114
University of Science and Technology Beijing
where one patent can have more than one assignee
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