13 Utility Patents
#367 in Guangdong
#9,067 in China
#292,139 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 830,757 patents
Other
where one patent can have more than one assignee
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