Patents by Inventor Yohei Kabashima

Yohei Kabashima 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: 9879127
    Abstract: Disclosed is a semiaromatic polyamide resin composition including a semiaromatic polyamide (A), a phosphorus-based flame retardant (B) and an inorganic aluminum compound (C), wherein the mass ratio (A/B) between (A) and (B) is 50/50 to 95/5; the amount of the inorganic aluminum compound (C) is 0.1 to 20 parts by mass in relation to 100 parts by mass of the total amount of (A) and (B); (A) is constituted with an aromatic dicarboxylic acid component, an aliphatic diamine component and a monocarboxylic acid component; and the content of the monocarboxylic acid component is 0.3 to 4.0 mol % in relation to the whole monomer components constituting (A).
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: January 30, 2018
    Assignee: UNITIKA LTD.
    Inventors: Junichi Mii, Yutaka Taketani, Taiyo Amari, Hiroo Kamikawa, Yohei Kabashima
  • Publication number: 20170114217
    Abstract: Disclosed is a resin composition including a polyamide (A), a polyester (B) and a white pigment (C), wherein (A) has a melting point of 280° C. or higher, (B) is polycyclohexylenedimethylene terephthalate, a mass ratio (A/B) is 5/95 to 95/5, and a content of (C) is 10 to 150 parts by mass in relation to 100 parts by mass of a total amount of (A) and (B).
    Type: Application
    Filed: June 23, 2015
    Publication date: April 27, 2017
    Applicant: UNITIKA LTD.
    Inventors: Yohei Kabashima, Hiroo Kamikawa, Junichi Mii, Taiyo Amari
  • Publication number: 20170037217
    Abstract: Disclosed is a semi-aromatic polyamide resin composition including 100 parts by mass of a semi-aromatic polyamide (A), 20 to 110 parts by mass of a fibrous reinforcing material (B) and 0.1 to 5 parts by mass of an azine dye (C), wherein the semi-aromatic polyamide (A) includes as the constituent components thereof an aromatic dicarboxylic acid component, an aliphatic diamine component and a monocarboxylic acid component, and has a melting point of 300° C. or higher; and the monocarboxylic acid component constituting the semi-aromatic polyamide (A) is an aliphatic monocarboxylic acid having a molecular weight of 200 or more.
    Type: Application
    Filed: April 27, 2015
    Publication date: February 9, 2017
    Applicant: UNITIKA LTD.
    Inventors: Yutaka Taketani, Junichi Mii, Taiyo Amari, Hiroo Kamikawa, Yohei Kabashima
  • Publication number: 20150376377
    Abstract: Disclosed is a semiaromatic polyamide resin composition including a semiaromatic polyamide (A), a phosphorus-based flame retardant (B) and an inorganic aluminum compound (C), wherein the mass ratio (A/B) between (A) and (B) is 50/50 to 95/5; the amount of the inorganic aluminum compound (C) is 0.1 to 20 parts by mass in relation to 100 parts by mass of the total amount of (A) and (B); (A) is constituted with an aromatic dicarboxylic acid component, an aliphatic diamine component and a monocarboxylic acid component; and the content of the monocarboxylic acid component is 0.3 to 4.0 mol % in relation to the whole monomer components constituting (A).
    Type: Application
    Filed: March 19, 2014
    Publication date: December 31, 2015
    Applicant: UNITIKA LTD.
    Inventors: Junichi Mii, Yutaka Taketani, Taiyo Amari, Hiroo Kamikawa, Yohei Kabashima
  • Patent number: 8586658
    Abstract: Provided is a polylactic acid resin composition obtained by adding a carboxylic acid amide and a carboxylic acid ester each of which has at least one polar group in a molecule to a polylactic acid resin reacted with a (meth)acrylate compound. Also provided is a polylactic acid resin molded article which is a molded article obtained by molding the polylactic acid resin composition, manufactured by setting a mold temperature to a glass transition temperature of a polylactic acid resin plus 20° C. or higher and a melting point thereof minus 20° C. or lower, at the time of injection molding the polylactic acid resin composition. Thus, a resin composition in which a moldability is improved at a temperature at which a polylactic acid resin is crystallized, and a molded article therefrom are provided.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: November 19, 2013
    Assignees: NEC Corporation, Unitika, Ltd.
    Inventors: Shin Serizawa, Tsunenori Yanagisawa, Kazuhiko Inou, Masatoshi Iji, Yohei Kabashima, Kazue Ueda, Hiroo Kamikawa, Norio Fukawa
  • Patent number: 8268918
    Abstract: There is provided a crystalline polylactic acid resin composition comprising 95 to 99.97 parts by mass of a polylactic acid resin (A) having a D-isomer content of not greater than 0.6 mol % or not less than 99.4 mol %, and 0.03 to 5 parts by mass of a crystal nucleus agent (B). There is also provided a crystalline polylactic acid resin composition prepared by melt-kneading 100 parts by mass of a polylactic acid resin (A) having a D-isomer content of not greater than 0.6 mol % or not less than 99.4 mol %, 0.01 to 20 parts by mass of a (meth)acrylate compound (C), and 0.02 to 20 parts by mass of a peroxide (D).
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: September 18, 2012
    Assignee: Unitika Ltd.
    Inventors: Norio Fukawa, Yohei Kabashima, Ken-ichi Kawada, Sachiko Kokuryo
  • Publication number: 20120108720
    Abstract: Disclosed is a polylactic acid-based resin composition including a polylactic acid resin, a monocarbodiimide compound and a hydrotalcite compound, wherein the content of the monocarbodiimide compound is 0.1 to 10 parts by mass in relation to 100 parts by mass of the polylactic acid resin and the content of the hydrotalcite compound is 0.05 to 2 parts by mass in relation to 100 parts by mass of the polylactic acid resin.
    Type: Application
    Filed: July 9, 2010
    Publication date: May 3, 2012
    Applicant: UNITIKA LTD.
    Inventors: Yuji Kitora, Kazue Ueda, Takehito Saijo, Yohei Kabashima
  • Publication number: 20100256262
    Abstract: Disclosed is a resin composition including a thermoplastic resin (A), a glass fiber (B) having a ratio of the major axis to the minor axis of the fiber cross section of 1.5 to 10 and a flame retardant (C), wherein the mass ratio (A/B) of the thermoplastic resin (A) to the glass fiber (B) is 30/70 to 95/5, and a part or the whole of the thermoplastic resin (A) is composed of a polyamide 11 resin (A1a) or/and a polyamide 1010 resin (A1b); and the resin composition includes 10 parts by mass or more of the polyamide 11 resin (A1a) or/and the polyamide 1010 resin (A1b) and 5 to 40 parts by mass of the flame retardant (C) in relation to 100 parts by mass of the total amount of the thermoplastic resin (A) and the glass fiber (B).
    Type: Application
    Filed: August 29, 2008
    Publication date: October 7, 2010
    Applicant: UNITIKA LTD.
    Inventors: Tatsunori Masaki, Yohei Kabashima, Ken-ichi Kawada, Hiroo Kamikawa, Sachiko Kokuryo
  • Publication number: 20100130651
    Abstract: There is provided a crystalline polylactic acid resin composition comprising 95 to 99.97 parts by mass of a polylactic acid resin (A) having a D-isomer content of not greater than 0.6 mol % or not less than 99.4 mol %, and 0.03 to 5 parts by mass of a crystal nucleus agent (B). There is also provided a crystalline polylactic acid resin composition prepared by melt-kneading 100 parts by mass of a polylactic acid resin (A) having a D-isomer content of not greater than 0.6 mol % or not less than 99.4 mol %, 0.01 to 20 parts by mass of a (meth)acrylate compound (C), and 0.02 to 20 parts by mass of a peroxide (D).
    Type: Application
    Filed: June 25, 2008
    Publication date: May 27, 2010
    Inventors: Norio Fukawa, Yohei Kabashima, Ken-ichi Kawada, Sachiko Kokuryo
  • Publication number: 20090131601
    Abstract: Disclosed is a resin composition obtained by blending 100 parts by mass of a biodegradable polyester resin, 0.01 to 20 parts by mass of a (meth)acrylic acid ester compound, 0.1 to 20 parts by mass of a peroxide and 0.1 to 50 parts by mass of a glycerin fatty acid ester.
    Type: Application
    Filed: June 5, 2006
    Publication date: May 21, 2009
    Inventors: Yohei Kabashima, Hiroo Kamikawa
  • Publication number: 20090093575
    Abstract: Provided are: a first resin composition, which is a polylactic acid-based resin composition containing a polylactic acid resin composition prepared by mixing a polylactic acid resin and a (meth)acrylic acid ester compound in the presence of a peroxide, and a high-strength fiber; and a second resin composition, which contains 70 to 99 parts by mass of a crosslinked biodegradable polyester resin and 1 to 30 parts by mass of an aramid fiber and/or an LCP fiber. In a preferred case, the second resin composition contains 0.01 to 10 parts by mass of a carbodiimide compound with respect to 100 parts by mass of the sum of the crosslinked biodegradable polyester resin and the aramid fiber and/or the LCP fiber.
    Type: Application
    Filed: July 19, 2006
    Publication date: April 9, 2009
    Inventors: Yohei Kabashima, Ken-ichi Kawada
  • Publication number: 20090069463
    Abstract: Provided is a polylactic acid resin composition obtained by adding a carboxylic acid amide and a carboxylic acid ester each of which has at least one polar group in a molecule to a polylactic acid resin reacted with a (meth)acrylate compound. Also provided is a polylactic acid resin molded article which is a molded article obtained by molding the polylactic acid resin composition, manufactured by setting a mold temperature to a glass transition temperature of a polylactic acid resin plus 20° C. or higher and a melting point thereof minus 20° C. or lower, at the time of injection molding the polylactic acid resin composition. Thus, a resin composition in which a moldability is improved at a temperature at which a polylactic acid resin is crystallized, and a molded article therefrom are provided.
    Type: Application
    Filed: February 13, 2007
    Publication date: March 12, 2009
    Inventors: Shin Serizawa, Tsunenori Yanagisawa, Kazuhiko Inoue, Masatoshi Iji, Yohei Kabashima, Kazue Ueda, Hiroo Kamikawa, Norio Fukawa
  • Publication number: 20090054572
    Abstract: A polyester resin composition and a product produced from the polyester resin composition are provided. The polyester resin composition is prepared from a material comprising 100 parts by mass of a resin compound containing 90 to 99.5% by mass of a biodegradable polyester resin and 10 to 0.5% by mass of a plasticizer, and 0.01 to 10 parts by mass of a peroxide. Further, 0.01 to 5 parts by mass of a crosslinking assist agent may be blended in the polyester resin composition. The biodegradable polyester resin preferably mainly contains a polylactic acid, and the crosslinking assist agent is preferably a (meth)acrylate compound.
    Type: Application
    Filed: October 23, 2006
    Publication date: February 26, 2009
    Inventors: Hiroo Kamikawa, Yohei Kabashima
  • Publication number: 20090054559
    Abstract: Provided are a resin composition in which a moldability is improved at a temperature at which a polylactic acid resin is crystallized by adding both a carboxylic acid amide or a carboxylic acid ester which has at least one polar group in a molecule and a layered silicate to the polylactic acid resin, and a molded article.
    Type: Application
    Filed: February 13, 2007
    Publication date: February 26, 2009
    Applicants: NEC CORPORATION, UNITIKA , LTD. OSAKA CENTER BLDG.
    Inventors: Shin Serizawa, Tsunenori Yanagisawa, Kazuhiko Inoue, Masatoshi Iji, Yohei Kabashima, Kazue Ueda, Hiroo Kamikawa, Norio Fukawa