4 Utility Patents
#144 in Chongqing
#33,522 in China
Forward Citations = 0
Company Filing History:
Chongqing Institute of East China Normal University

University of Shanghai for Science and Technology
4. 1 out of 24
Roi Optoelectronics Technology Co, Ltd.
5. 1 out of 4
Shanghai Langyan Optoelectronics Technology Co., Ltd.
where one patent can have more than one assignee
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