12 Utility Patents
#432 in Guangdong
#10,355 in China
#326,293 in the World
Forward Citations = 7
Company Filing History:
Kingfa Sci. & Tech. Co., Ltd.
Zhuhai Wango Chemical Co., Ltd.
Tianjin Kingfa New Material Co., Ltd.
4. 2 out of 832,398 patents
Other
where one patent can have more than one assignee
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