6 Utility Patents
#26 in Shijiazhuang
#22,502 in China
#697,517 in the World
Forward Citations = 0
Company Filing History:
Tunghsu Group Co., Ltd.
Tunghsu Technology Group Co., Ltd.
Shijiazhuang Xuxin Optoelectronic Technology Co., Ltd.
where one patent can have more than one assignee
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