5 Utility Patents
#4,255 in Shanghai
#27,091 in China
#826,892 in the World
Forward Citations = 4
Company Filing History:
Other
China Petroleum & Chemical Corporation

4. 1 out of 59
Dental Imaging Technologies Corporation
5. 1 out of 18
Carestream Dental Technology Topco Limited
where one patent can have more than one assignee
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