3 Utility and 1 Design Patents
#6,794 in Shanghai
#44,906 in China
rank by utility patentsForward Citations = 5
Company Filing History:
Shanghai New Tobacco Product Research Institute Co., Ltd
Other
Shanghai Hugong Electric (group) Co., Ltd.
4. 1 out of 10
Shanghai Tobacco Group Co., Ltd.
where one patent can have more than one assignee
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