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Certifications & Patents

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Certifications & Patents

Patent Status

Through continuous research and development, we have secured multiple patents,
demonstrating our differentiated capabilities in mold design and manufacturing.

  • Patent Certificate

    No. 10-0654318

  • Patent Certificate

    No. 10-0691390

  • Patent Certificate

    No. 10-0773896

  • Patent Certificate

    No. 10-1843732

  • Patent Certificate

    No. 10-1843735

  • Patent Certificate

    No. 10-2006779

  • Patent Certificate

    No. 10-2043271

  • Patent Certificate

    No. 10-2405562

  • Patent Certificate

    No. 10-2695331

  • Patent Certificate

    No. 10-2739797

Patent Application List

No. Title Registration No. Filing Date Patent Holder
1 Press Mold with Integrated Punch 10-0654318 2005.10.20 DONG-A ENG Co., Ltd.
2 Press Mold for Trimming and Joining of Substrates and Skins 10-0691390 2005.10.20 DONG-A ENG Co., Ltd.
3 Press Forming Mold 10-0773896 2006.11.08 DONG-A ENG Co., Ltd.
4 Press Mold (A Press Mold) 10-1843732 2017.09.28 DONG-A ENG Co., Ltd.
5 Press Mold (A Press Mold) 10-1843735 2017.09.28 DONG-A ENG Co., Ltd.
6 Thermoforming Mold System for Three-Dimensional Nonwoven Parts 10-2006779 2017.11.28 DONG-A ENG Co., Ltd.
7 Thermoforming Method for Three-Dimensional Nonwoven Parts 10-2043271 2017.11.28 DONG-A ENG Co., Ltd.
8 Micro Suction Hole Machining Method for Vacuum Forming Molds 10-2405562 2022.04.19 DONG-A ENG Co., Ltd.
9 Gas Vent Control Structure for Composite Resin Forming Molds 10-2695331 2022.04.19 DONG-A ENG Co., Ltd.
10 Insert Part Support Structure for LFI Molds 10-2739797 2023.10.31 DONG-A ENG Co., Ltd.
11 Mold Apparatus for Forming Automotive Floor Pads 10-2024-0131277 2024.09.27 DONG-A ENG Co., Ltd.
12 Device for Forming Cut Sections of Vehicle Floor Panels 10-2025-0140767 2025.09.29 DONG-A ENG Co., Ltd.