Patents by Inventor Shimon Kanai

Shimon Kanai 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).

  • Publication number: 20210198488
    Abstract: Provided are a polyamide composition containing a polyamide (A) having a melting point of 280° C. or higher, a flame retardant (B) and an aromatic vinyl copolymer (C), wherein the aromatic vinyl copolymer (C) contains a structural unit derived from an aromatic vinyl and a structural unit derived from an ?,?-unsaturated dicarboxylic anhydride, the glass transition temperature of the aromatic vinyl copolymer (C) is 140° C. or higher, and the content of the aromatic vinyl copolymer (C) is 0.3 to 2.0% by mass relative to the total content of the polyamide (A), the flame retardant (B) and the aromatic vinyl copolymer (C); and a molded article of the polyamide composition.
    Type: Application
    Filed: August 21, 2019
    Publication date: July 1, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Shimon KANAI, Naoto SUGAI, Takaharu SHIGEMATSU
  • Publication number: 20210179778
    Abstract: The present invention relates to a polyamide that is a polyamide (A) having a dicarboxylic acid unit and a diamine unit, wherein more than 40 mol % and 100 mol % or less of the dicarboxylic acid unit is a naphthalenedicarboxylic acid unit, and 60 mol % or more and 100 mol % or less of the diamine unit is a branched aliphatic diamine unit and a linear aliphatic diamine unit of an arbitrary structural unit, and a proportion of the branched aliphatic diamine unit relative to the total 100 mol % of the branched aliphatic diamine unit and the linear aliphatic diamine unit is 60 mol % or more; and a polyamide composition containing the polyamide.
    Type: Application
    Filed: August 23, 2019
    Publication date: June 17, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Kenji SEKIGUCHI, Atsushi NANYA, Nobuhiro OYA, Shimon KANAI, Takaharu SHIGEMATSU
  • Patent number: 10879439
    Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of 1,4-cyclohexanedicarboxylic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; and the phosphorus-containing antioxidant (E) has 3 or more predetermined structures represented by the formula (1) in its molecule, wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: December 29, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Shimon Kanai, Takaharu Shigematsu
  • Patent number: 10703903
    Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of terephthalic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.80 part by mass, with respect to 100 parts by mass of the polyamide (A); and the content of the phosphorus-containing antioxidant (E) satisfies the following expression (I): 0.25?mass ratio [(D)component/(E)component]?3.0??(I).
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: July 7, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Shimon Kanai, Nobuhiro Oya, Takaharu Shigematsu
  • Patent number: 10480749
    Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: November 19, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Kozo Tamura, Takaharu Shigematsu, Shimon Kanai
  • Patent number: 10407548
    Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: September 10, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Kozo Tamura, Takaharu Shigematsu, Shimon Kanai
  • Patent number: 10364339
    Abstract: A polyamide resin composition includes: 100 parts by mass of (A) a polyamide having a melting point of 280 to 330° C.; 0.5 to 80 parts by mass of (B) aluminum diethylphosphinate; 0.2 to 2 parts by mass of (C) at least one phosphorous acid ester represented by formula (6) or (7); and (E) at least one reinforcing material. A mass ratio of the at least one phosphinic acid salt (B) to the at least one phosphorous acid ester (C) ((B)/(C)) is in a range of from 10 to 100. An average particle diameter of the phosphinic acid salt (B) is 0.1 to 100 ?m. The polyamide resin composition does not comprise a metallic soap-based lubricant.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: July 30, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Kozo Tamura, Hideaki Suzuki, Shimon Kanai
  • Publication number: 20180371241
    Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of terephthalic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.80 part by mass, with respect to 100 parts by mass of the polyamide (A); and the content of the phosphorus-containing antioxidant (E) satisfies the following expression (I): 0.25?mass ratio [(D)component/(E)component]?3.0??(I).
    Type: Application
    Filed: June 28, 2016
    Publication date: December 27, 2018
    Applicant: KURARAY CO., LTD.
    Inventors: Shimon KANAI, Nobuhiro OYA, Takaharu SHIGEMATSU
  • Publication number: 20180355143
    Abstract: The present invention relates to a polyester composition for an LED reflection plate containing a polyester (A), a titanium oxide (B), a phenolic antioxidant (C), and a phosphorus-based antioxidant (D), wherein the polyester (A) is a polyester having a structural unit derived from a dicarboxylic acid including 50 mol % or more of terephthalic acid and a structural unit derived from a diol including 50 mol % or more of 1,4-cyclohexanedimethanol; the phosphorus-based antioxidant (D) contains three or more groups represented by the formula (1) in a molecule thereof; the content of the titanium oxide (B) is 20 to 90 parts by mass, and the content of the phenolic antioxidant (C) is 0.1 to 0.8 parts by mass, on the basis of 100 parts by mass of the polyester (A); and the content of the phosphorus-based antioxidant (D) satisfies the following equation (I); an LED reflection plate composed of the foregoing composition; and a light-emitting device including the foregoing reflection plate. 0.
    Type: Application
    Filed: November 16, 2016
    Publication date: December 13, 2018
    Applicant: KURARAY CO., LTD.
    Inventors: Shimon KANAI, Nobuhiro OYA, Takaharu SHIGEMATSU
  • Publication number: 20180198043
    Abstract: There is provided a polyamide composition for an LED reflection plate, including a polyamide (A), a titanium oxide (B), a magnesium oxide (C), a phenolic antioxidant (D), and a phosphorus-containing antioxidant (E), wherein the polyamide (A) is a polyamide having a dicarboxylic acid unit comprising 50% by mol or more of 1,4-cyclohexanedicarboxylic acid unit and a diamine unit and having a melting point of 280° C. or higher; the phenolic antioxidant (D) does not have 4 or more phenol structures in its molecule; and the phosphorus-containing antioxidant (E) has 3 or more predetermined structures represented by the formula (1) in its molecule, wherein the content of the titanium oxide (B) is 10 to 100 parts by mass, the content of the magnesium oxide (C) is 0.50 to 15.0 parts by mass, and the content of the phenolic antioxidant (D) is 0.10 to 0.
    Type: Application
    Filed: June 28, 2016
    Publication date: July 12, 2018
    Applicant: KURARAY CO., LTD.
    Inventors: Shimon KANAI, Takaharu SHIGEMATSU
  • Patent number: 9822949
    Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: November 21, 2017
    Assignee: KURARAY CO., LTD.
    Inventors: Kozo Tamura, Takaharu Shigematsu, Shimon Kanai
  • Patent number: 9381694
    Abstract: A manufacturing method of a multi-laminated body according to the present invention includes a step 1 (L-flow path) for vertically dividing a laminated flow obtained by arranging at least two molten resins adjacent to each other in a lengthwise direction into two sections, guiding the divided laminated flows to opposite directions relative to the flow direction, and then guiding both laminated flows toward the center of the flow direction, and rearranging the laminated flows adjacent to each other in the horizontal direction and thereby joining the laminated flows together, and a step 2 (R-flow path) for vertically dividing a laminated flow obtained by arranging at least two molten resins adjacent to each other in a lengthwise direction into two sections, guiding the divided laminated flows to directions opposite to the above-mentioned directions relative to the flow direction, and then guiding both laminated flows toward the center of the flow direction, and rearranging the laminated flows adjacent to each o
    Type: Grant
    Filed: May 16, 2011
    Date of Patent: July 5, 2016
    Assignee: KURARAY Co., Ltd.
    Inventors: Shimon Kanai, Toshiyuki Zento, Kohta Tomiyama, Hiromichi Nakata
  • Publication number: 20160130422
    Abstract: [Problem] Provided are a polyamide resin composition which is not only excellent in flame retardancy and heat resistance but also excellent in strength, exhibits a high brightness before and after a reflow step, and even after going through the reflow step, is small in yellowing, and a molded article including the same. [Solution] A polyamide resin composition including, based on 100 parts by mass of (A) a polyamide having a melting point of 280 to 330° C., 0.5 to 80 parts by mass of (B) at least one phosphinic acid salt represented by the following formula (1) or (2) and 0.001 to 7 parts by mass of (C) at least one phosphorous acid ester represented by the following formula (3) or (4). In the formulae, R1 to R17, M, m, n, and x are defined in the description.
    Type: Application
    Filed: June 13, 2014
    Publication date: May 12, 2016
    Applicant: KURARAY CO., LTD.
    Inventors: Kozo TAMURA, Hideaki SUZUKI, Shimon KANAI
  • Publication number: 20130296472
    Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.
    Type: Application
    Filed: January 20, 2012
    Publication date: November 7, 2013
    Applicant: KURARAY CO., LTD.
    Inventors: Kozo Tamura, Takaharu Shigematsu, Shimon Kanai
  • Publication number: 20130286654
    Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.
    Type: Application
    Filed: July 1, 2013
    Publication date: October 31, 2013
    Applicant: Kuraray Co., Ltd
    Inventors: Kozo Tamura, Takaharu Shigematsu, Shimon Kanai
  • Publication number: 20130286655
    Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.
    Type: Application
    Filed: July 1, 2013
    Publication date: October 31, 2013
    Inventors: Kozo TAMURA, Takaharu Shigematsu, Shimon Kanai
  • Publication number: 20130065015
    Abstract: A manufacturing method of a multi-laminated body according to the present invention includes a step 1 (L-flow path) for vertically dividing a laminated flow obtained by arranging at least two molten resins adjacent to each other in a lengthwise direction into two sections, guiding the divided laminated flows to opposite directions relative to the flow direction, and then guiding both laminated flows toward the center of the flow direction, and rearranging the laminated flows adjacent to each other in the horizontal direction and thereby joining the laminated flows together, and a step 2 (R-flow path) for vertically dividing a laminated flow obtained by arranging at least two molten resins adjacent to each other in a lengthwise direction into two sections, guiding the divided laminated flows to directions opposite to the above-mentioned directions relative to the flow direction, and then guiding both laminated flows toward the center of the flow direction, and rearranging the laminated flows adjacent to each o
    Type: Application
    Filed: May 16, 2011
    Publication date: March 14, 2013
    Applicant: KURARAY CO LTD
    Inventors: Shimon Kanai, Toshiyuki Zento, Kohta Tomiyama, Hiromichi Nakata