20 Utility Patents
#2,314 in Beijing
#5,711 in China
#169,187 in the World
Forward Citations = 24
Company Filing History:
Beijing Sj Environmental Protection and New Material Co., Ltd.
Beijing Sanju Environmental Protection and New Material Co., Ltd.
Beijing Honor Device Co., Ltd.
4. 1 out of 644

5. 1 out of 1
Beijing Sj Enviromental Protection and New Material Co., Ltd.
where one patent can have more than one assignee
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