4 Utility Patents
#144 in Chongqing
#33,786 in China
Forward Citations = 0
Company Filing History:
Chongqing Institute of East China Normal University
Roi Optoelectronics Technology Co, Ltd.

4. 4 out of 12
Yunnan Huapu Quantum Material Co., Ltd
5. 4 out of 4
Chongqing Huapu Quantum Technology Co., Ltd.
where one patent can have more than one assignee
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