Patents by Inventor Ywan-Hee LEE

Ywan-Hee LEE 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: 9657167
    Abstract: A thermoplastic resin composition includes a thermoplastic resin; a pearlescent pigment; and a pigment that is not the same as the pearlescent pigment, wherein the pearlescent pigment and pigment have da and db satisfying da<15 and db<15 in an L*a*b* colorimetric system, respectively.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: May 23, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hye-Young Kim, Doo-Han Ha, Jin-Young Huh, Young-Sin Kim, Ywan-Hee Lee
  • Patent number: 8962733
    Abstract: A thermoplastic resin composition includes a thermoplastic resin and a first metal particle, wherein the first metal particle has a ratio of a short diameter relative to a long diameter of about 1/50 to about ?. Also a thermoplastic resin composition includes a thermoplastic resin, a plate-shaped second metal particle, and plate-shaped mica, wherein the plate-shaped mica is included in an amount of about 0.01 parts by weight to about 4.9 parts by weight based on about 100 parts by weight of the thermoplastic resin. In addition a thermoplastic resin composition includes a thermoplastic resin, a plate-shaped third metal particle or a spherical fourth metal particle, and thermally expandable particulate, wherein the thermally expandable particulate includes a polymer particle including a hydrocarbon foamable compound therein.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: February 24, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Young-Sin Kim, Doo-Han Ha, Jin-Young Huh, Hye-Young Kim, Ywan-Hee Lee
  • Patent number: 8618209
    Abstract: Disclosed are a polyamide resin composition that includes (A) a crystalline polyamide mixed resin including an aliphatic group and at least two different crystalline polyamide resins, (B) a non-crystalline polyamide resin including an aromatic group, and (C) a glass fiber, and a molded product manufacture using the same.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: December 31, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Ywan-Hee Lee, Young-Seok Chang, Jin-Kyung Cho, Doo-Han Ha, Jin-Young Huh
  • Patent number: 8546469
    Abstract: A glass fiber-reinforced polyester resin composition including: (A) about 30 to about 80 wt % of two or more kinds of polyester resin; (B) about 20 to about 70 wt % of a vinyl-based copolymer including an acrylic-based graft copolymer, a rubber modified vinyl-based graft copolymer, a copolymer of aromatic vinyl monomers and unsaturated nitrile monomers, or a combination thereof; and (C) about 10 to about 100 parts by weight of glass fiber, based on about 100 parts by weight of the total amount of the polyester resin (A) and the vinyl-based copolymer (B), wherein the polyester resin includes polyethylene terephthalate resin having crystallinity of about 40% or more, is provided.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: October 1, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Ywan-Hee Lee, Doo-Han Ha, Jin-Young Huh, Young-Seok Chang
  • Publication number: 20130231437
    Abstract: The present invention relates to a thermoplastic resin composition, comprising: a base resin comprising (A) a polyphenylene ether resin and (B) an aromatic vinyl-based resin, and (C) glass fibers, wherein the (C) glass fibers include (C1) chopped glass fibers and (C2) milled glass fibers.
    Type: Application
    Filed: April 19, 2013
    Publication date: September 5, 2013
    Applicant: Cheil Industries Inc.
    Inventors: Jin Kyung CHO, Do Hoon CHANG, Jin Young HUH, Ywan Hee LEE, Doo Han HA
  • Patent number: 8410198
    Abstract: A glass fiber-reinforced polyester resin composition including: (A) about 30 to about 80 wt % of two or more kinds of polyester resin; (B) about 20 to about 70 wt % of a vinyl-based copolymer including an acrylic-based graft copolymer, a rubber modified vinyl-based graft copolymer, a copolymer of aromatic vinyl monomers and unsaturated nitrile monomers, or a combination thereof; and (C) about 10 to about 100 parts by weight of glass fiber, based on about 100 parts by weight of the total amount of the polyester resin (A) and the vinyl-based copolymer (B), wherein the polyester resin includes polyethylene terephthalate resin having crystallinity of about 40% or more, is provided.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: April 2, 2013
    Assignee: Cheil Industries Inc.
    Inventors: Ywan-Hee Lee, Doo-Han Ha, Jin-Young Huh, Young-Seok Chang
  • Publication number: 20120329910
    Abstract: Disclosed is a thermoplastic resin composition that includes: a polyester resin (A); an epoxy-modified glass fiber (C); and a hydrolysis resistant additive (D) comprising an alicyclic epoxy compound, a carbodiimide compound, or a combination thereof.
    Type: Application
    Filed: December 22, 2011
    Publication date: December 27, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Ywan-Hee LEE, Doo-Han HA, Jin-Young HUH
  • Publication number: 20120172515
    Abstract: Polyphenylene ether thermoplastic resin compositions are formed by adding a polyamide resin to a composition of a polyphenylene ether resin and a polystyrene resin. The composition can have improved heat deflection temperature while maintaining fluidity of polyphenylene ether.
    Type: Application
    Filed: November 21, 2011
    Publication date: July 5, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Jin Kyung CHO, Do Hoon CHANG, Doo Han HA, Ywan Hee LEE, Jin Young HUH
  • Publication number: 20120157606
    Abstract: Disclosed are a polyamide resin composition that includes (A) a crystalline polyamide mixed resin including an aliphatic group and at least two different crystalline polyamide resins, (B) a non-crystalline polyamide resin including an aromatic group, and (C) a glass fiber, and a molded product manufacture using the same.
    Type: Application
    Filed: December 20, 2011
    Publication date: June 21, 2012
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Ywan-Hee LEE, Young-Seok CHANG, Jin-Kyung CHO, Doo-Han HA, Jin-Young HUH
  • Publication number: 20110144239
    Abstract: A glass fiber-reinforced polyester resin composition including: (A) about 30 to about 80 wt % of two or more kinds of polyester resin; (B) about 20 to about 70 wt % of a vinyl-based copolymer including an acrylic-based graft copolymer, a rubber modified vinyl-based graft copolymer, a copolymer of aromatic vinyl monomers and unsaturated nitrile monomers, or a combination thereof; and (C) about 10 to about 100 parts by weight of glass fiber, based on about 100 parts by weight of the total amount of the polyester resin (A) and the vinyl-based copolymer (B), wherein the polyester resin includes polyethylene terephthalate resin having crystallinity of about 40% or more, is provided.
    Type: Application
    Filed: December 7, 2010
    Publication date: June 16, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Ywan-Hee LEE, Doo-Han HA, Jin-Young HUH, Young-Seok CHANG
  • Publication number: 20100160529
    Abstract: The present invention relates generally to a glass fiber-reinforced polyester resin composition including: (A) about 30 to about 80 wt % of a polyester resin; (B) about 5 to about 30 wt % of a vinyl-based copolymer; and (C) about 10 to about 50 wt % of a glass fiber with a cross-sectional aspect ratio of about 1.5 or more; and a molded product using the same.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 24, 2010
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Ywan-Hee LEE, Doo-Han HA, Bang-Duk KIM, In-Sik SHIM, Young-Seok CHANG