Patents by Inventor Kazunari Kosaka

Kazunari Kosaka 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: 9701069
    Abstract: Disclosed is a method for manufacturing a composite material, which includes performing press molding of a fiber matrix structure including reinforcing fibers and a matrix resin mainly including a polyester-based resin having a crystallization temperature of 185° C. or lower. Furthermore, the polyester-based resin is preferably a polyester-based copolymer. In addition, it is preferred that the matrix resin includes a carbodiimide, and that the carbodiimide has a cyclic structure. Moreover, it is preferred that the press molding is cold pressing in which a die temperature is 170° C. or lower; that the reinforcing fibers are carbon fibers; and that the discontinuous fibers are randomly oriented in the structure.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: July 11, 2017
    Assignee: Teijin Limited
    Inventors: Kazunari Kosaka, Takuro Kitamura, Yasuyuki Kondo, Daisuke Kobayashi
  • Patent number: 9631061
    Abstract: A fiber-reinforced composite material obtained by reinforcing a matrix resin with fibers, wherein the matrix resin contains a thermoplastic resin and a carbon black, the fibers are discontinuous carbon fibers, a part of the discontinuous carbon fibers forms fiber bundles, and the thickness of a thinnest part of the matrix resin which is located between an outermost surface of the composite material and the fibers existing in an inside of the composite material is less than 100 ?m. Further, it is preferred that the thermoplastic resin is a polyamide-based resin, that the discontinuous carbon fibers have a length of from 3 to 100 mm, and that the orientation of the discontinuous carbon fibers is random. Furthermore, it is preferred that the size of the primary particle diameter of the carbon black is within a range of 7 to 75 nm.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: April 25, 2017
    Assignee: Teijin Limited
    Inventors: Yasuyuki Kondo, Takuro Kitamura, Kazunari Kosaka, Daisuke Kobayashi
  • Publication number: 20160145410
    Abstract: A fiber-reinforced composite material obtained by reinforcing a matrix resin with fibers, wherein the matrix resin contains a thermoplastic resin and a carbon black, the fibers are discontinuous carbon fibers, a part of the discontinuous carbon fibers forms fiber bundles, and the thickness of a thinnest part of the matrix resin which is located between an outermost surface of the composite material and the fibers existing in an inside of the composite material is less than 100 ?m. Further, it is preferred that the thermoplastic resin is a polyamide-based resin, that the discontinuous carbon fibers have a length of from 3 to 100 mm, and that the orientation of the discontinuous carbon fibers is random. Furthermore, it is preferred that the size of the primary particle diameter of the carbon black is within a range of 7 to 75 nm.
    Type: Application
    Filed: July 30, 2014
    Publication date: May 26, 2016
    Applicant: Teijin Limited
    Inventors: Yasuyuki Kondo, Takuro Kitamura, Kazunari Kosaka, Daisuke Kobayashi
  • Publication number: 20160101542
    Abstract: Provided is a method for manufacturing a composite material including peforming press molding a fiber matrix structure including reinforcing fibers and a matrix resin which mainly includes a polyester-based resin and includes an aromatic polycarbonate resin and. Furthermore, it is preferred that the polyester-based resin is a polyester copolymer and includes a terephthalic acid component and an isophthalic acid component. In addition, it is preferred that the press molding is cold pressing in which a die temperature is 170° C. or lower; that the reinforcing fibers are carbon fibers or fibers mainly including discontinuous fibers; and furthermore, that the discontinuous fibers are randomly oriented in the structure.
    Type: Application
    Filed: September 19, 2013
    Publication date: April 14, 2016
    Applicant: Teijin Limited
    Inventors: Kazunari Kosaka, Takuro Kitamura, Yasuyuki Kondo, Daisuke Kobayashi
  • Publication number: 20150239182
    Abstract: Disclosed is a method for manufacturing a composite material, which includes performing press molding of a fiber matrix structure including reinforcing fibers and a matrix resin mainly including a polyester-based resin having a crystallization temperature of 185° C. or lower. Furthermore, the polyester-based resin is preferably a polyester-based copolymer. In addition, it is preferred that the matrix resin includes a carbodiimide, and that the carbodiimide has a cyclic structure. Moreover, it is preferred that the press molding is cold pressing in which a die temperature is 170° C. or lower; that the reinforcing fibers are carbon fibers; and that the discontinuous fibers are randomly oriented in the structure.
    Type: Application
    Filed: September 19, 2013
    Publication date: August 27, 2015
    Applicant: TEIJIN LIMITED
    Inventors: Kazunari Kosaka, Takuro Kitamura, Yasuyuki Kondo, Daisuke Kobayashi
  • Patent number: 8147958
    Abstract: A flexible thermoplastic composition comprises a poly(arylene ether), a first block copolymer, a second block copolymer and a flame retardant wherein the second block copolymer comprises a controlled distribution copolymer block. The flexible thermoplastic composition is useful in the manufacture of coated wires.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: April 3, 2012
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Patent number: 7989701
    Abstract: A multiconductor cable assembly includes two or more coated wires in a side-by-side contacting relation, and the covering of the wires includes a composition with specific proportions of a poly(arylene ether), a block copolymer, and a flame retardant. The multiconductor cable assembly can be formed by extrusion coating two or more uncoated conductors, or by passing two or more coated wires through a nip defined by two rollers to fuse the coated wires.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: August 2, 2011
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Wei Shan
  • Patent number: 7847032
    Abstract: A poly(arylene ether) composition includes a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, a flame retardant, and a poly(arylene ether)-polysiloxane block copolymer reaction product that itself includes a poly(arylene ether)-polysiloxane block copolymer. The composition is useful for forming extruded articles, including insulation for wire and cable. The poly(arylene ether)-polysiloxane block copolymer contributes improved flame retardancy and, in many cases, improved physical properties to the composition.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: December 7, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Hua Guo, Jian Guo, Kazunari Kosaka, Xiucuo Li
  • Publication number: 20100263906
    Abstract: A flexible thermoplastic composition comprises a poly(arylene ether), a first block copolymer, a second block copolymer and a flame retardant wherein the second block copolymer comprises a controlled distribution copolymer block. The flexible thermoplastic composition is useful in the manufacture of coated wires.
    Type: Application
    Filed: July 2, 2010
    Publication date: October 21, 2010
    Applicant: SABIC INNOVATIVE PLASTICS IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Patent number: 7799854
    Abstract: A flame retardant thermoplastic composition comprising a poly(arylene ether), a block copolymer, a liquid polyolefin, and a flame retardant additive composition. The flame retardant additive composition comprises a metal hydroxide, an organic phosphate, and a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, melem polyphosphate, melam polyphosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing. The block copolymer comprises a block that is a controlled distribution copolymer having terminal regions that are rich in alkylene units and a center region that is rich in aryl alkylene units. The flame retardant composition may be used in the production of covered conductors.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: September 21, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Yong Xiao
  • Patent number: 7772322
    Abstract: A flexible thermoplastic composition comprises a poly(arylene ether), a first block copolymer, a second block copolymer and a flame retardant wherein the second block copolymer comprises a controlled distribution copolymer block. The flexible thermoplastic composition is useful in the manufacture of coated wires.
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: August 10, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Publication number: 20100139944
    Abstract: A poly(arylene ether) composition includes a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, a flame retardant, and a poly(arylene ether)-polysiloxane block copolymer reaction product that itself includes a poly(arylene ether)-polysiloxane block copolymer. The composition is useful for forming extruded articles, including insulation for wire and cable. The poly(arylene ether)-polysiloxane block copolymer contributes improved flame retardancy and, in many cases, improved physical properties to the composition.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 10, 2010
    Inventors: Hua Guo, Jian Guo, Kazunari Kosaka, Xiucuo Li
  • Patent number: 7582692
    Abstract: A flame retardant thermoplastic composition comprises: a poly(arylene ether); an impact modifier; a polyolefin; a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing; a metal hydroxide; and an organic phosphate wherein the amount of phosphoric acid salt by weight is greater than or equal to the amount of organic phosphate by weight. The flame retardant composition is may be used in the production of electrical wires.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: September 1, 2009
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Publication number: 20090133896
    Abstract: A multiconductor cable assembly includes two or more coated wires in a side-by-side contacting relation, and the covering of the wires includes a composition with specific proportions of a poly(arylene ether), a block copolymer, and a flame retardant. The multiconductor cable assembly exhibits excellent physical and flame retardant properties without using poly(vinyl chloride). Various methods of forming the multiconductor cable assembly are described.
    Type: Application
    Filed: October 22, 2008
    Publication date: May 28, 2009
    Inventors: Kazunari Kosaka, Xiucuo Li, Wei Shan
  • Patent number: 7517927
    Abstract: A flexible thermoplastic composition comprises poly(arylene ether); a plasticizer having an affinity for polyolefin; a polyolefin and a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene, wherein the polyolefin comprises (i) an ethylene/C7-C20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%, (ii) a thermoplastic vulcanizate (iii) a combination of linear low density polyethylene and a thermoplastic vulcanizate, (iv) a combination of an ethylene/C7-C20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10%, a linear low density polyethylene, and a thermoplastic vulcanizate, (v) a combination of an ethylene/C7-C20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and a thermoplastic vulcanizate or (vi) a combination of an ethylene/C7-C20 alpha olefin copolymer having an alpha olefin content greater than or equal to about 10% and linear low density polyethylene.
    Type: Grant
    Filed: November 29, 2004
    Date of Patent: April 14, 2009
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Vijay Mhetar, Jeffery Tenenbaum, Weiguang Yao
  • Patent number: 7417083
    Abstract: A flame retardant additive composition comprising a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide and combinations of two or more of the foregoing; a metal hydroxide; and an organic phosphate. The flame retardant additive is useful in a wide range of thermoplastic compositions.
    Type: Grant
    Filed: March 28, 2005
    Date of Patent: August 26, 2008
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Kazunari Kosaka, Xiucuo Li, Xuedong Li, Vijay Mhetar, Weiguang Yao
  • Publication number: 20070261878
    Abstract: A flame retardant thermoplastic composition comprising a poly(arylene ether), a block copolymer, a liquid polyolefin, and a flame retardant additive composition. The flame retardant additive composition comprises a metal hydroxide, an organic phosphate, and a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, melem polyphosphate, melam polyphosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing. The block copolymer comprises a block that is a controlled distribution copolymer having terminal regions that are rich in alkylene units and a center region that is rich in aryl alkylene units. The flame retardant composition may be used in the production of covered conductors.
    Type: Application
    Filed: May 25, 2007
    Publication date: November 15, 2007
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Kazunari Kosaka, Xiucuo Li, Yong Xiao
  • Publication number: 20060182967
    Abstract: A flexible thermoplastic composition comprises a poly(arylene ether), a first block copolymer, a second block copolymer and a flame retardant wherein the second block copolymer comprises a controlled distribution copolymer block. The flexible thermoplastic composition is useful in the manufacture of coated wires.
    Type: Application
    Filed: February 17, 2005
    Publication date: August 17, 2006
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Publication number: 20060106139
    Abstract: A flame retardant thermoplastic composition comprises: a poly(arylene ether); an impact modifier; a polyolefin; a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide, and combinations of two or more of the foregoing; a metal hydroxide; and an organic phosphate wherein the amount of phosphoric acid salt by weight is greater than or equal to the amount of organic phosphate by weight. The flame retardant composition is may be used in the production of electrical wires.
    Type: Application
    Filed: November 30, 2005
    Publication date: May 18, 2006
    Inventors: Kazunari Kosaka, Xiucuo Li, Weiguang Yao
  • Publication number: 20050288402
    Abstract: A flame retardant additive composition comprising a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide and combinations of two or more of the foregoing; a metal hydroxide; and an organic phosphate. The flame retardant additive is useful in a wide range of thermoplastic compositions.
    Type: Application
    Filed: March 28, 2005
    Publication date: December 29, 2005
    Inventors: Kazunari Kosaka, Xiucuo Li, Xuedong Li, Vijay Mhetar, Weiguang Yao