Liu Changwei

USPTO Trademark & Patent Filings

Changwei Liu

Trademark applications and grants for Liu Changwei. Liu Changwei has 3 trademark applications. The latest application filed is for "CONFIRM"

Company Profile
    Company Aliases
  • changwei Liu
  • Liu Changwei
  • liu changwei
  • Liu; Changwei - Xiamen CN
  • LIU; Changwei - Harbin CN
  • Liu; Changwei - Beijing CN
  • Liu; Changwei - Shenzhen CN
Entity Type INDIVIDUAL
Address 1301,Building B,Ganlan Lvzhou Garden,  No.5 Jingtian East Road,Futian District, Shenzhen, Guangdong CHINA 518000

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks Patents
Patent Applications
Patent ApplicationDate
LENS BARREL AND IMAGING MODULE APPLYING THE SAME
20220236581 - 17/214940 Fu; Weiwei ;   et al.
2022-07-28
Heat Resistant Polyimide Film
20210261735 - 17/246248 LIU; Changwei ;   et al.
2021-08-26
Heat Resistant Polyimide Film and Preparation Method Thereof
20200172676 - 16/307897 LIU; Changwei ;   et al.
2020-06-04
METHOD AND SYSTEM FOR DOCUMENT DATA SECURITY MANAGEMENT
20130174268 - 13/726247 Wang; Donglin ;   et al.
2013-07-04
Embedding and Detecting Hidden Information
20130028466 - 13/629599 Wang; Donglin ;   et al.
2013-01-31
Screw
D955,864 - D/751,122 Liu June 28, 2
2022-06-28
Screw
D955,864 - D/751,122 Liu June 28, 2
2022-06-28
Mirror
D955,119 - D/786,680 Liu June 21, 2
2022-06-21
Mirror
D955,119 - D/786,680 Liu June 21, 2
2022-06-21
Mirror
D945,171 - D/735,082 Liu March 8, 2
2022-03-08
Patent Grants & Applications
Trademark Applications

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