12 Utility Patents
#137 in Nanjing
#10,450 in China
#327,534 in the World
Forward Citations = 1
Company Filing History:
Amphastar Nanjing Pharmaceuticals Inc.
Nanjing Hanxin Pharmaceutical Technology Co., Ltd.
Amphastar Pharmaceuticals, Inc.
4. 1 out of 832,575 patents
Other
5. 1 out of 1
Amphastar Pahmaceuticals, Inc.
where one patent can have more than one assignee
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