Patents by Inventor Tomonori Kato

Tomonori Kato 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: 11034836
    Abstract: Provided is a resin composition which comprises 100 parts by weight of a polyamide resin comprising a structural unit derived from diamine and a structural unit derived from dicarboxylic acid, in which 70 mol % or more of the structural unit derived from diamine is derived from xylylenediamine, and in which 70 mol % or more of the structural unit derived from dicarboxylic acid is derived from a straight-chain aliphatic ?,?-dicarboxylic acid having 4 to 20 carbon atoms; 3 to 17 parts by weight of an acid-modified polyolefin having an acid modification ratio of 0.3 to 5.0% by weight; and 1 to 15 parts by weight of a compound represented by formula (1), wherein R1 represents an alkyl group having 1 to 10 carbon atoms, R2 represents an alkyl group having 2 to 12 carbon atoms, and n represents an integer of 1 to 3.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: June 15, 2021
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kazuya Sato, Tomonori Kato, Jin Nakamura
  • Patent number: 10907769
    Abstract: Provided is a pressure vessel having an outer layer with an improved gas barrier property, a lightweight liner with an excellent gas barrier property, and a novel method for manufacturing a pressure vessel. The pressure vessel contains a liner and an outer layer of the liner, wherein the outer layer is configured by a composite material that contains a continuous fiber and a polyamide resin impregnated into the continuous fiber; the polyamide resin contains a structural unit derived from diamine and a structural unit derived from dicarboxylic acid; and 50 mol % or more of the structural unit derived from diamine is derived from xylylenediamine.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: February 2, 2021
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Tomonori Kato, Nobuhiko Matsumoto
  • Patent number: 10786928
    Abstract: The polyamide pellet of the present invention includes a polyamide including diamine units and dicarboxylic acid units, 50% by mole or more of the diamine units being derived from m-xylylenediamine, wherein a spherulite density of a skin portion of the pellet is 40,000 to 250,000/mm2.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: September 29, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Tatsuya Tochihara, Katsumi Shinohara, Kaname Sato, Tomonori Kato, Jun Mitadera
  • Patent number: 10774188
    Abstract: Provided is a material having large anti-piercing force and small surface roughness. The material contains continuous reinforcing fibers that are juxtaposed unidirectionally, and having a polyamide resin impregnated therein, wherein the continuous reinforcing fiber gives a non-circular cross sectional shape, when viewed perpendicularly to the longitudinal direction thereof, with a flatness ratio, given by long diameter (D2)/short diameter (D1), of 1.5 or larger, and in at least one cross section of the material taken perpendicularly to the direction of the continuous reinforcing fibers being juxtaposed, the percentage of area occupied by the continuous reinforcing fibers, whose long diameter (D2) lying at an angle of less than 20 degrees away from the direction of the continuous reinforcing fibers being juxtaposed, is 30 to 90% by area of the continuous reinforcing fibers.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: September 15, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Nobuhiko Matsumoto, Tomonori Kato
  • Publication number: 20200247988
    Abstract: Provided is a container for chlorine-based liquid bleaching agent composition, which accommodates a chlorine-based liquid bleaching agent composition therein and has excellent transparency, in which even when storied over a long period of time, the generation of a crack is suppressed. The container of the present invention is a container for chlorine-based liquid bleaching agent composition containing 90 to 99.5 parts by mass of a polyester resin (A) and 0.
    Type: Application
    Filed: February 8, 2017
    Publication date: August 6, 2020
    Inventors: Takanori MIYABE, Takafumi ODA, Tomonori KATO
  • Publication number: 20200247987
    Abstract: Provided is a polyester-based resin composition capable of giving a molded article excellent in transparency and gas-barrier property even though the molded article requires stretching treatment, and also provided is a method for producing the composition. The method for producing a polyester-based resin composition includes a step of obtaining a master batch (M) containing a polyester resin (A) having a cyclic acetal structure or an alicyclic hydrocarbon structure, and a polyamide resin (B), and a step of melt-kneading the master batch (M) with a polyester resin (R) in which 70 mol % or more of the dicarboxylic acid unit is derived from an aromatic dicarboxylic acid and 70 mol % or more of the diol unit is derived from an aliphatic diol, thereby giving a polyester-based resin composition, in this order,. The glass transition temperature of the polyester resin (A) is 105° C. or lower, the content of the polyester resin (A) in the polyester-based resin composition is 0.5 to 15.
    Type: Application
    Filed: November 21, 2016
    Publication date: August 6, 2020
    Inventors: Takanori MIYABE, Nobuhiko MATSUMOTO, Takafumi ODA, Tomonori KATO
  • Publication number: 20200247949
    Abstract: Provide is a polyamide resin that can yield a molded article with good appearance and good solder reflowability, while keeping low water absorption rate; a molded article; and a method for manufacturing a polyamide resin. The polyamide resin, which is composed of a structural unit derived from diamine and a structural unit derived from dicarboxylic acid; 70 mol % or more of the structural unit derived from diamine being derived from 1,4-bis(aminomethyl)cyclohexane, 1,4-bis(aminomethyl)cyclohexane having a molar ratio (cis:trans) of 35:65 to 0:100, 70 mol % or more of the structural unit derived from dicarboxylic acid being derived from a straight chain aliphatic ?,?-dicarboxylic acid having 8 to 12 carbon atoms, the polyamide resin containing 20 to 100 ppm by mass of phosphorus atom, and containing calcium atom so that the molar ratio given by (phosphorus atom):(calcium atom) will be 1:0.3 to 0.7.
    Type: Application
    Filed: December 16, 2016
    Publication date: August 6, 2020
    Inventors: Hatsuki OGURO, Tomonori KATO
  • Patent number: 10662303
    Abstract: Provided is a stretched film stretched stretchable to a high draw ratio a method for manufacturing the stretched film, and, a polyamide resin composition used for manufacturing the stretched film. The stretched film containing 0.5 to 15 parts by weight of a compound represented by Formula (1) per 100 parts by weight of a polyamide resin, wherein the polyamide resin is composed of a structural unit derived from diamine and a structural unit derived from dicarboxylic acid; 50% by mole or more of the structural unit derived from diamine is derived from xylylenediamine, and 50% by mole or more of the structural unit derived from dicarboxylic acid is derived from a straight-chain aliphatic am-dicarboxylic acid having 4 to 20 carbon atoms: wherein R1 represents an alkyl group having 1 to 10 carbon atoms, R2 represents an alkyl group having 2 to 12 carbon atoms, and n represents an integer of 1 to 3.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: May 26, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kosuke Otsuka, Tomonori Kato
  • Patent number: 10625441
    Abstract: Provided is a method for manufacturing a formed article that excels in shape retainability and appearance, using a sheet that contains a thermoplastic resin fiber and a continuous reinforcing fiber. The method for manufacturing a formed article comprises irradiating laser light onto a sheet having, arranged therein with a certain directionality, yarns that contain a thermoplastic resin fiber and a continuous reinforcing fiber, so as to allow at least a part of the thermoplastic resin fiber to be impregnated into the continuous reinforcing fiber; the laser light being irradiated so as to satisfy at least one of A or B below, over at least 70% or more of the laser irradiation area; A: irradiated in a direction 5 to 85° away from the direction of arrangement of yarns in the in-plane direction of the sheet; and B: irradiated in a direction 30 to 60° away from the direction perpendicular to the sheet plane.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: April 21, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Nobuhiko Matsumoto, Tomonori Kato
  • Patent number: 10605384
    Abstract: A molded article comprising a fuel-barrier layer formed of a resin composition comprising a polyamide resin (A) as a continuous phase and a resin (B) as a disperse phase, wherein (A) is a polyamide resin (A1) comprising at least one of a constituent unit derived from a lactam having 10 to 12 carbon atoms and a constituent unit derived from an aminocarboxylic acid having 10 to 12 carbon atoms, or a polyamide resin (A2) comprising a constituent unit derived from an aliphatic diamine having 6 to 12 carbon atoms and a constituent unit derived from an aliphatic dicarboxylic acid having 10 to 12 carbon atoms, the (B) is a resin selected from a semi-aromatic polyamide resin, the ratio by volume of (A)/(B) is 95/5 to 51/49, and the mean disperse particle diameter of (B) is 150 nm or more.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: March 31, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kazuya Sato, Tomonori Kato, Mayumi Kikuchi, Masayuki Kobayashi
  • Publication number: 20200087459
    Abstract: Provided is a polyamide resin composition capable of providing a molded article having an excellent wear resistance while maintaining a high mechanical strength; a molded article; and a method for manufacturing a polyamide resin pellet. The polyamide resin composition includes a polyamide resin and an inorganic filler, wherein the polyamide resin includes diamine-derived constituent units and dicarboxylic acid derived constituent units; 70 mol % or more of the diamine-derived constituent units are derived from 1,4-bis(aminomethyl)cyclohexane; a molar ratio of cis:trans of the 1,4-bis(aminomethyl)cyclohexane is from 35:65 to 0:100; 70 mol % or more of the dicarboxylic acid-derived constituent units are derived from an ?,?-linear aliphatic dicarboxylic acid having from 8 to 12 carbons; and the polyamide resin includes phosphorus atoms in a ratio of from 20 to 100 mass ppm and comprises calcium atoms so as to be phosphorus atoms:calcium atoms of 1:0.3 to 0.7 in a molar ratio.
    Type: Application
    Filed: December 6, 2017
    Publication date: March 19, 2020
    Inventors: Hatsuki OGURO, Tomonori KATO, Ryusuke YAMADA
  • Publication number: 20200079959
    Abstract: Object: To provide a resin composition having excellent oxygen barrier properties and transparency, and high tensile elongation at break; a molded article, a film, and a multilayer film.
    Type: Application
    Filed: March 12, 2018
    Publication date: March 12, 2020
    Inventors: Kazuya SATO, Takanori MIYABE, Tomonori KATO
  • Publication number: 20200062901
    Abstract: Provided is an amorphous polyamide resin that has a small weight change rate under hot and humid conditions and that can maintain a good appearance even when formed into a molded article and placed under hot and humid conditions. Also provided is a molded article including the amorphous polyamide resin. An amorphous polyamide resin includes: constituent units derived from a diamine and constituent units derived from a dicarboxylic acid, not less than 70 mol % of the constituent units derived from a diamine being constituent units derived from isophoronediamine, the constituent units derived from a dicarboxylic acid including constituent units derived from an ?,?-straight chain aliphatic dicarboxylic acid having from 8 to 14 carbons and constituent units derived from an aromatic dicarboxylic acid.
    Type: Application
    Filed: February 6, 2018
    Publication date: February 27, 2020
    Inventors: Masaki YAMANAKA, Tomonori KATO, Hatsuki OGURO, Nobuhide TSUNAKA
  • Publication number: 20200048441
    Abstract: A polyolefin-based structure includes 60 to 97% by mass of a polyolefin (A), 1 to 35% by mass of an acid-modified polyolefin (B), and 2 to 35% by mass of a polyamide resin (C), in which the polyamide resin (C) is dispersed in a layered form in the polyolefin (A), and the polyamide resin (C) is a melt-kneaded product of 30 to 70% by mass of a polyamide (X) that contains a diamine unit containing 70 mol % or more of a m-xylylenediamine unit and a dicarboxylic acid unit containing an ?,?-linear aliphatic dicarboxylic acid unit and 30 to 70% by mass of an aliphatic polyamide (Y) (provided that a total of the polyamide (X) and the polyamide (Y) is taken as 100% by mass), and a difference between a melting point Tm0 of the polyamide (X) as observed by differential scanning calorimetry and a melting point Tm1 derived from the polyamide (X) in the polyamide resin (C), is 0.1 to 2.5° C.
    Type: Application
    Filed: September 19, 2017
    Publication date: February 13, 2020
    Inventors: Tomonori KATO, Kenji KOUNO
  • Publication number: 20200047392
    Abstract: An object of the present invention is to provide an injection blow container that is excellent in moldability and impact resistance and furthermore, excellent in solvent resistance.
    Type: Application
    Filed: April 16, 2018
    Publication date: February 13, 2020
    Inventors: Takanori MIYABE, Tomonori KATO
  • Patent number: 10543961
    Abstract: A container cap is a container cap including a molded article formed of a resin composition containing 70 to 94% by mass of a polyolefin (A), 3 to 15% by mass of an acid-modified polyolefin (B) and 3 to 15% by mass of a m-xylylene group-containing polyamide (C), in which a ratio (X/Y) of a percentage (X) of polyamide-derived nitrogen in a cap top surface portion to a percentage (Y) of polyamide-derived nitrogen in a cap side surface portion, is 1.2 to 3.0, as measured by a total nitrogen analysis.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: January 28, 2020
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Tomonori Kato, Kenji Kouno
  • Publication number: 20190352505
    Abstract: Provided is a resin composition which comprises 100 parts by weight of a polyamide resin comprising a structural unit derived from diamine and a structural unit derived from dicarboxylic acid, in which 70 mol % or more of the structural unit derived from diamine is derived from xylylenediamine, and in which 70 mol % or more of the structural unit derived from dicarboxylic acid is derived from a straight-chain aliphatic ?,?-dicarboxylic acid having 4 to 20 carbon atoms; 3 to 17 parts by weight of an acid-modified polyolefin having an acid modification ratio of 0.3 to 5.0% by weight; and 1 to 15 parts by weight of a compound represented by formula (1), wherein R1 represents an alkyl group having 1 to 10 carbon atoms, R2 represents an alkyl group having 2 to 12 carbon atoms, and n represents an integer of 1 to 3.
    Type: Application
    Filed: November 6, 2017
    Publication date: November 21, 2019
    Inventors: Kazuya SATO, Tomonori KATO, Jin NAKAMURA
  • Publication number: 20190308345
    Abstract: Provided is a method for manufacturing a formed article that excels in shape retainability and appearance, using a sheet that contains a thermoplastic resin fiber and a continuous reinforcing fiber. The method for manufacturing a formed article comprises irradiating laser light onto a sheet having, arranged therein with a certain directionality, yarns that contain a thermoplastic resin fiber and a continuous reinforcing fiber, so as to allow at least a part of the thermoplastic resin fiber to be impregnated into the continuous reinforcing fiber; the laser light being irradiated so as to satisfy at least one of A or B below, over at least 70% or more of the laser irradiation area; A: irradiated in a direction 5 to 85° away from the direction of arrangement of yarns in the in-plane direction of the sheet; and B: irradiated in a direction 30 to 60° away from the direction perpendicular to the sheet plane.
    Type: Application
    Filed: October 19, 2017
    Publication date: October 10, 2019
    Inventors: Nobuhiko MATSUMOTO, Tomonori KATO
  • Publication number: 20190300661
    Abstract: Provided is a material having large anti-piercing force and small surface roughness. The material contains continuous reinforcing fibers that are juxtaposed unidirectionally, and having a polyamide resin impregnated therein, wherein the continuous reinforcing fiber gives a non-circular cross sectional shape, when viewed perpendicularly to the longitudinal direction thereof, with a flatness ratio, given by long diameter (D2)/short diameter (D1), of 1.5 or larger, and in at least one cross section of the material taken perpendicularly to the direction of the continuous reinforcing fibers being juxtaposed, the percentage of area occupied by the continuous reinforcing fibers, whose long diameter (D2) lying at an angle of less than 20 degrees away from the direction of the continuous reinforcing fibers being juxtaposed, is 30 to 90% by area of the continuous reinforcing fibers.
    Type: Application
    Filed: April 17, 2017
    Publication date: October 3, 2019
    Inventors: Nobuhiko MATSUMOTO, Tomonori KATO
  • Patent number: 10421860
    Abstract: The present invention relates to a thermoplastic resin composition, which achieves barrier properties against various types of gases, while maintaining flexibility, and a molded body comprising the same. The thermoplastic resin composition of the present invention is characterized in that it comprises an aliphatic polyamide, a semi-aromatic polyamide, and an impact modifier, wherein at least a part of the impact modifier is dispersed in the semi-aromatic polyamide, in the semi-aromatic polyamide, the molar ratio between diamine units and dicarboxylic acid units (the number of moles of diamine units/the number of moles of dicarboxylic acid units) is in the range of 0.97 to 1.02, and the mass ratio of the impact modifier to the total mass of the semi-aromatic polyamide and the impact modifier is in the range of 5% to 15%.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: September 24, 2019
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Mayumi Kikuchi, Tomonori Kato, Kazuya Sato