TECHNOLOGY STATUS

It is chungwoo core Co., Ltd. which continuously researches and strives continuously.

  • TECHNOLOGY STATUS
  • Status of industrial property rights
Status of industrial property rights
Research Institute

Industrial Property

Date of acquisitionAcquisition contents
1998. 06. 01Utility model for removing the two pleats on the surface of the paper core [No. 123693]
1998. 09. 22Method for Manufacturing Paper Cores Patent [No. 166171]
2001. 04. 10Utility Model for Winding Thin Film [Utility Model No. 0228102]
2009. 11. 05Trademark Registration for SOFTCORE [No. 40-0805437]
2018. 11. 28Method for Manufacturing Paper Cores Using a Surface Polishing Device [Patent No. 10-1984434]
2019. 05. 24Winding Device for Paper Cores, Method for Manufacturing Seamless Paper Cores Using the Same, and Seamless Paper Cores Manufactured Thereby [Patent No. 10-1984434]
2020. 03. 02Paper Core Coating Device [Patent No. 10-2086308]
2020. 03. 26Paper Core Stacking Device [Patent No. 10-2096176]
2024. 08. 30 Paper Core Manufacturing Device and Method for Manufacturing Paper Cores Using the Same [Patent No. 10-2702626]
2024. 11. 12Paper Core Mandrel [Patent No. 10-2022-0163770]

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