Patents by Inventor Jin Gi Ahn

Jin Gi Ahn has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11685833
    Abstract: Disclosed herein are a polyamide composition and a molded article made of the same with improved mechanical strength and reduced weight. The molded article may include the polyamide composition that includes high flowable polyamide and polyphthalamide and a small-diameter fiber, thereby resulting in an improvement in mechanical strength while achieving excellent surface properties and high weight reduction.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: June 27, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, KTP Industries, Inc.
    Inventors: Seul Yi, Boo Youn An, Dae Sik Kim, In Soo Han, Kyeong Hoon Jang, Jin Gi Ahn, Byung Seok Kong, Seong Won Seo
  • Publication number: 20230174732
    Abstract: Disclosed are an artificial leather for crash pads and a crash pad manufactured using the same. The artificial leather for crash pads may have improved workability when workers directly cover a crash pad with the artificial leather for crash pads and require reduced manufacturing costs by using a textile substrate layer made of a circular knit fabric that satisfies a specific physical property range.
    Type: Application
    Filed: October 10, 2022
    Publication date: June 8, 2023
    Inventors: Jin Gi Ahn, Jung Gyun Noh, Kyeong Hoon Jang, Dae Sik Kim, Sung Moo Lee, Dong Seog Noh, Yong Bae Jung, Chang Hoon Lee, Kyung Hak Kang, De Eun Park
  • Publication number: 20230174775
    Abstract: Disclosed is a molded article, and more particularly a molded article for a vehicle interior material including a thermoplastic resin composition having reduced birefringence while maintaining the superior transmittance and impact strength of existing polycarbonate resin by including a first resin including a polycarbonate resin and a second resin having a difference in refractive index of 0.05 or less from the first resin and a transmittance of 90% or more.
    Type: Application
    Filed: November 8, 2022
    Publication date: June 8, 2023
    Inventors: Jung Gyun Noh, Jin Gi Ahn, Dae Sik Kim, Jung Eun Park, Se Mi Kim, Won Ko
  • Publication number: 20230144039
    Abstract: Disclosed are polypropylene thermoplastic resin composition containing a high crystalline homo polypropylene resin, a long glass fiber reinforced material, a modified polypropylene resin, and a nucleating agent having a structure including amino azobenzene or a derivative thereof.
    Type: Application
    Filed: November 2, 2022
    Publication date: May 11, 2023
    Inventors: Kyeong Hoon Jang, Boo Youn An, Dae Sik Kim, Jin Gi Ahn, In Soo Han, Seul Yi, Hyung Tak Lee, Kwang Il Kwon
  • Publication number: 20230112893
    Abstract: Disclosed are a thermoplastic resin composition for a high-brightness unpainted metallic material that has an excellent impact strength, chemical resistance, and heat resistance and exhibits an excellent metallic texture, and a molded article including the same. The thermoplastic resin composition suitably includes a polycarbonate resin; a first copolymer; a polyester resin; a copolymer having a core-shell structure and having, as a core, one or more rubber polymers selected from the group consisting of a diene-based rubber polymer, an acrylic rubber polymer, and a silicone-based rubber polymer; a heat resistant component including one or more selected from the group consisting of N-phenyl maleimide, a vinyl aromatic compound, and maleic anhydride; and metal particles.
    Type: Application
    Filed: October 3, 2022
    Publication date: April 13, 2023
    Inventors: Seul Yi, Boo Youn An, Dae Sik Kim, Kyeong Hoon Jang, In Soo Han, Jin Gi Ahn, Jung Kyu Han, Suk Woo Kang, Do Young Bae, Tae Jin An
  • Publication number: 20230070603
    Abstract: Disclosed are a polyamide resin composition and a molded article manufactured using the same. The molded article may have excellent mechanical strength, deformation resistance and light resistance, and may be suitable for use without coating. The polyamide resin composition includes a polyamide resin, an auxiliary resin (e.g., an acrylonitrile-butadiene-styrene copolymer), a filler (e.g., glass fibers and glass beads), and a compatibilizer (e.g., copolymer including maleimide).
    Type: Application
    Filed: August 8, 2022
    Publication date: March 9, 2023
    Inventors: Seul Yi, Boo Youn An, Dae Sik Kim, Kyeong Hoon Jang, In Soo Han, Jin Gi Ahn, Seong Hyun Myung, Seong Jun Yu, Jung Hyun Yoo, Ki Bong Jung
  • Publication number: 20220372243
    Abstract: Disclosed are an antimicrobial composition having excellent antimicrobial and anti-fungal properties and improved fingerprint resistance and chemical resistance, and a molded article including the same. The antimicrobial composition includes a combination of an amount of about 45 to 85 wt % of a polycarbonate resin, an amount of about 10 to 36 wt % of a polyester resin, an amount of about 3 to 12 wt % of an impact modifier, an amount of about 0.2 to 2 wt % of an inorganic antimicrobial agent, and an amount of about 1 to 6 wt % of a micro powder including a fluorine-based polymer resin, based on the total weight of the antimicrobial composition.
    Type: Application
    Filed: November 22, 2021
    Publication date: November 24, 2022
    Inventors: Jin Gi Ahn, Kyeong Hoon Jang, Dae Sik Kim, Jung Kyu Han, Do Young Bae, Jong Ung Byeon, Tae Jin An, Su Hyuk Jang, Chul Jin Jo
  • Publication number: 20220162435
    Abstract: The present disclosure relates to a composite resin composition for automotive interior materials and an automotive interior material using the same. The composite resin composition includes a polyester-based resin satisfying a specific intrinsic viscosity range and a vinyl cyanide compound-conjugated diene compound-aromatic vinyl compound copolymer and an aromatic vinyl compound-vinyl cyanide compound copolymer satisfying specific melt index ranges. The automotive interior material manufactured using the composite resin composition has advantages in that the automotive interior material is used as an unpainted product while cost is reduced due to material improvement, whereby it is possible to achieve high economic efficiency. In addition, the automotive interior material satisfies required physical properties, such as chemical resistance and mechanical strength, and at the same time exhibits high formability and noise resistance, whereby external appearance quality and emotional quality are improved.
    Type: Application
    Filed: July 12, 2021
    Publication date: May 26, 2022
    Inventors: Jin Gi Ahn, Boo Youn An, Dae Sik Kim, Kyeong Hoon Jang, Seul Yi, In Soo Han, Han Ki Lee, Yi Seul Jun, Jae Chan Park, Gun Ko
  • Patent number: 11332605
    Abstract: Disclosed is a thermoplastic elastomer composition having a superior low-temperature flexibility is provided. The thermoplastic elastomer composition may include an amount of about 10 to 15 wt % of a polypropylene-ethylene copolymer; an amount of about 70 to 85 wt % of a thermoplastic elastomer including an olefin-based thermoplastic elastomer and a styrene-based thermoplastic elastomer; an amount of about 5 to 10 wt % of a softener; an amount of about 3 to 5 wt % of a reinforcing agent; and an amount of about 1 wt % or less but greater than 0 wt % of a UV stabilizer based on the total weight of the thermoplastic elastomer composition.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: May 17, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, GS Caltex Corporatoin
    Inventors: Jin Gi Ahn, Boo Youn An, Dae Sik Kim, Kyeong Hoon Jang, In Soo Han, Seul Yi, Hyun Woo Kwon, Byung Wook Kang, Gyeong Suk Yoo, Gi Young Hong
  • Publication number: 20210332235
    Abstract: The present invention relates to a non-coating thermoplastic resin composition, a method for manufacturing a molded article by using the same, and a molded article manufactured by the same. More specifically, the present invention is characterized by providing the thermoplastic resin composition which contains polycarbonate, polysiloxane-polycarbonate copolymer, polyester, master-batched carbon black, and additives in specific contents and the molded article, which has excellent chemical resistance, mechanical properties, light resistance, hydrolysis resistance, and low glossiness, manufactured by using the same.
    Type: Application
    Filed: December 1, 2020
    Publication date: October 28, 2021
    Inventors: Seul Yi, Boo Youn An, Dae Sik Kim, Kyeong Hoon Jang, Min Woo Kwon, In Soo Han, Jin Gi Ahn, Do Young Bae, Hyung Jin Roh, Tae Jin An, Jung Kyu Han, Chul Jin Jo, Si Uk Cheon, Suk Woo Kang
  • Publication number: 20210214554
    Abstract: Disclosed herein are a polyamide composition and a molded article made of the same with improved mechanical strength and reduced weight. The molded article may include the polyamide composition that includes high flowable polyamide and polyphthalamide and a small-diameter fiber, thereby resulting in an improvement in mechanical strength while achieving excellent surface properties and high weight reduction.
    Type: Application
    Filed: December 2, 2020
    Publication date: July 15, 2021
    Inventors: Seul Yi, Boo Youn An, Dae Sik Kim, In Soo Han, Kyeong Hoon Jang, Jin Gi Ahn, Byung Seok Kong, Seong Won Seo
  • Publication number: 20200392322
    Abstract: Disclosed is a thermoplastic elastomer composition having a superior low-temperature flexibility is provided. The thermoplastic elastomer composition may include an amount of about 10 to 15 wt % of a polypropylene-ethylene copolymer; an amount of about 70 to 85 wt % of a thermoplastic elastomer including an olefin-based thermoplastic elastomer and a styrene-based thermoplastic elastomer; an amount of about 5 to 10 wt % of a softener; an amount of about 3 to 5 wt % of a reinforcing agent; and an amount of about 1 wt % or less but greater than 0 wt % of a UV stabilizer based on the total weight of the thermoplastic elastomer composition.
    Type: Application
    Filed: October 3, 2019
    Publication date: December 17, 2020
    Inventors: Jin Gi Ahn, Boo Youn An, Dae Sik Kim, Kyeong Hoon Jang, In Soo Han, Seul Yi, Hyun Woo Kwon, Byung Wook Kang, Gyeong Suk Yoo, Gi Young Hong