5 Utility Patents
#1,188 in Guangdong
#26,945 in China
#825,640 in the World
Forward Citations = 5
Company Filing History:
Kingfa Sci. & Tech. Co., Ltd.
China Railway Tunnel Group Co., Ltd.
Zhuhai Vanteque Specialty Engineering Plastics Co., Ltd.
4. 1 out of 1
Shanghai Kingfa Sci. & Tech. Dvpt. Co., Ltd.
5. 1 out of 4
Kingfa Science & Technology Co., Ltd.
where one patent can have more than one assignee
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