Patents by Inventor Kosuke Otsuka

Kosuke Otsuka 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: 11972365
    Abstract: A question generation device includes: generating means which uses a query and a relevant document including an answer to the query as input and, using a machine learning model having been learned in advance, generates a revised query in which a potentially defective portion of the query is supplemented with a word included in a prescribed lexical set.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: April 30, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Atsushi Otsuka, Kyosuke Nishida, Itsumi Saito, Kosuke Nishida, Hisako Asano, Junji Tomita
  • Patent number: 11954435
    Abstract: A text generation apparatus includes a memory and a processor configured to execute acquiring a reference text based on an input text and information different from the input text; and generating a text based on the input text and the reference text, wherein the acquiring and the generating are implemented as neural networks based on learned parameters.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: April 9, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Itsumi Saito, Kyosuke Nishida, Kosuke Nishida, Hisako Asano, Junji Tomita, Atsushi Otsuka
  • Patent number: 11873401
    Abstract: An easily tearable film with excellent linear cuttability, as well as a multilayer film, a packaging material, and a container are provided.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: January 16, 2024
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kosuke Otsuka, Kaname Sato, Takafumi Oda
  • Patent number: 11858240
    Abstract: Provided is a multilayer container including a polyester layer containing a polyester resin (X), and a polyamide layer containing a polyamide resin (Y), a yellowing inhibitor (A), and an oxidation accelerator (B). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to the total amount of all polyamide layers and all polyester layers. The yellowing inhibitor (A) is a dye, and the content of the yellowing inhibitor (A) is from 1 to 30 ppm relative to the total amount of all polyamide layers and all polyester layers.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: January 2, 2024
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kosuke Otsuka, Masayuki Daito, Takumi Yamada
  • Publication number: 20230356450
    Abstract: Provided is a single-layer container containing a polyester resin (X), a polyamide resin (Y), a blue colorant (A), and a red colorant (B). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass%, and the content of the blue colorant (A) is from 1 to 40 ppm.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 9, 2023
    Inventors: Masayuki DAITO, Kosuke OTSUKA, Takumi YAMADA
  • Publication number: 20230303299
    Abstract: Provided is a multilayer container having a polyester layer containing a polyester resin (X), and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to the total amount of all polyamide layers and all polyester layers. The yellowing inhibitor (A) is a dye. The content of the yellowing inhibitor (A) is from 400 to 800 ppm relative to the polyamide layer. An L* of the multilayer container is 87.5 or greater.
    Type: Application
    Filed: August 11, 2021
    Publication date: September 28, 2023
    Inventors: Kosuke OTSUKA, Masayuki DAITO, Takumi YAMADA
  • Patent number: 11724848
    Abstract: Provided is a multilayer container including: a polyester layer containing a polyester resin (X); and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to a total amount of all polyamide layers and all polyester layers, and the content of the yellowing inhibitor (A) is from 1 to 30 ppm relative to the total amount of all polyamide layers and all polyester layers. Also provided are a method for manufacturing the multilayer container, and a method for manufacturing a recycled polyester, the method thereof including a step of recovering polyester from the multilayer container.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: August 15, 2023
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kosuke Otsuka, Takumi Yamada, Masayuki Daito
  • Publication number: 20230235121
    Abstract: Provided are a polyamide resin with a high melting point and a high glass transition temperature, a polyamide resin composition, and a molded article. The polyamide resin includes diamine-derived structural units and dicarboxylic acid-derived structural units, in which 50 mol % or more of the diamine-derived structural units are structural units derived from p-benzenediethanamine, and 65 mol % or more of the dicarboxylic acid-derived structural units are structural units derived from an aromatic dicarboxylic acid.
    Type: Application
    Filed: May 24, 2021
    Publication date: July 27, 2023
    Inventors: Kosuke OTSUKA, Yuya OKAJIMA
  • Publication number: 20230227608
    Abstract: Provided is a polyamide resin having a low mass loss at a temperature slightly higher than the melting point. The polyamide resin includes diamine-derived structural units and dicarboxylic acid-derived structural units, and of the diamine-derived structural units, from 70 to 97 mol % are derived from p-benzenediethanamine and from 3 to 30 mol % are derived from a diamine represented by formula (1). 50 mol % or more of the dicarboxylic acid-derived structural units are derived from an aromatic dicarboxylic acid.
    Type: Application
    Filed: June 9, 2021
    Publication date: July 20, 2023
    Inventors: Kosuke OTSUKA, Yuya OKAJIMA
  • Publication number: 20230227607
    Abstract: Provided is a polyamide resin having a high glass transition temperature and a low water absorption rate and from which a molded article that exhibits minimal deformation after water absorption is obtained. The polyamide resin includes diamine-derived structural units and dicarboxylic acid-derived structural units.
    Type: Application
    Filed: June 9, 2021
    Publication date: July 20, 2023
    Inventors: Kosuke OTSUKA, Yuya OKAJIMA
  • Publication number: 20230220160
    Abstract: Provided are a polyamide resin having high crystallinity, a high glass transition temperature, and a low mass loss rate, and a polyamide resin composition and a molded article in which the polyamide resin is used. The polyamide resin includes a diamine-derived structural unit and a dicarboxylic acid-derived structural unit, in which 50 mol % or more of the diamine-derived structural units are structural unit derived from p-benzenediethanamine, and of the dicarboxylic acid-derived structural units, from not less than 20 mol % to less than 95 mol % are structural units derived from an aromatic dicarboxylic acid and from more than 5 mol % to not more than 80 mol % are structural units derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 15 carbons.
    Type: Application
    Filed: May 24, 2021
    Publication date: July 13, 2023
    Inventors: Kosuke OTSUKA, Yuya OKAJIMA
  • Patent number: 11685569
    Abstract: Provided is a multilayer container including: a polyester layer containing a polyester resin (X); and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to a total amount of all polyamide layers and all polyester layers, and the content of the yellowing inhibitor (A) is from 1 to 30 ppm relative to the total amount of all polyamide layers and all polyester layers. Also provided are a method for manufacturing the multilayer container, and a method for manufacturing a recycled polyester, the method thereof including a step of recovering polyester from the multilayer container.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: June 27, 2023
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kosuke Otsuka, Takumi Yamada, Masayuki Daito
  • Publication number: 20230123413
    Abstract: Provided is a multilayer container including a polyester layer containing a polyester resin (X), and a polyamide layer containing a polyamide resin (Y), a yellowing inhibitor (A), and an oxidation accelerator (B). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass% relative to the total amount of all polyamide layers and all polyester layers. The yellowing inhibitor (A) is a dye, and the content of the yellowing inhibitor (A) is from 1 to 30 ppm relative to the total amount of all polyamide layers and all polyester layers.
    Type: Application
    Filed: February 25, 2021
    Publication date: April 20, 2023
    Inventors: Kosuke OTSUKA, Masayuki DAITO, Takumi YAMADA
  • Publication number: 20230102641
    Abstract: Provided is a multilayer container including: a polyester layer containing a polyester resin (X); and a polyamide layer containing a polyamide resin (Y) and a yellowing inhibitor (A). The content of the polyamide resin (Y) is from 0.05 to 7.0 mass % relative to a total amount of all polyamide layers and all polyester layers, and the content of the yellowing inhibitor (A) is from 1 to 30 ppm relative to the total amount of all polyamide layers and all polyester layers. Also provided are a method for manufacturing the multilayer container, and a method for manufacturing a recycled polyester, the method thereof including a step of recovering polyester from the multilayer container.
    Type: Application
    Filed: February 2, 2021
    Publication date: March 30, 2023
    Inventors: Kosuke OTSUKA, Takumi YAMADA, Masayuki DAITO
  • Patent number: 11447632
    Abstract: An easily tearable film includes polyamide resin components including more than 20 parts by mass and 70 parts by mass or less of a semi-aromatic polyamide resin A and less than 80 parts by mass and 30 parts by mass or more of an aliphatic polyamide resin B; wherein the semi-aromatic polyamide resin A is constituted of a diamine-derived constituent unit and a dicarboxylic acid-derived constituent unit; 60 mol % or more of the diamine-derived constituent units are derived from metaxylylenediamine; 60 mol % or more of the dicarboxylic acid-derived constituent units are derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 10 carbons; and the molar concentration of phosphorus atoms, the total molar concentration of alkali metal atoms and the total molar concentration of alkaline earth metal atoms, and Mn of the semi-aromatic polyamide resin satisfy predetermined relationships.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: September 20, 2022
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Kosuke Otsuka, Takafumi Oda
  • Publication number: 20210355277
    Abstract: Provided are a resin composition having excellent oxygen barrier property under high humidity as a novel resin material, a molded body, a method for producing a molded body, and a method for producing a pellet using the resin composition. The resin composition includes a resin component and a plate-shaped talc having an aspect ratio of more than 18, 80 mass % of the resin component comprising a barrier resin having an oxygen transmission coefficient of 5.0 cc·mm/(m2·day·atm) or less as measured according to ASTM D3985 at a relative humidity of 60% and a temperature of 23° C., and a content of the plate-shaped talc being from 3.0 to 55.0 mass % when a total of the barrier resin and the plate-shaped talc is 100 mass %.
    Type: Application
    Filed: September 18, 2019
    Publication date: November 18, 2021
    Inventors: Kosuke OTSUKA, Takafumi ODA
  • Publication number: 20210347984
    Abstract: Provided is a stretched body having a high barrier property under high humidity, a PET bottle, and a method for producing a container. The stretched body of a composition containing a semi-aromatic polyamide resin and plate-shaped talc having an aspect ratio of more than 18, a content of the plate-shaped talc having an aspect ratio of more than 18 in the composition is from 3.0 to 55.0 mass % when a total content of the semi-aromatic polyamide resin and the plate-shaped talc having an aspect ratio of more than 18 is 100 mass %.
    Type: Application
    Filed: September 18, 2019
    Publication date: November 11, 2021
    Inventors: Kosuke OTSUKA, Takafumi ODA
  • Publication number: 20210102065
    Abstract: An easily tearable film with excellent linear cuttability, as well as a multilayer film, a packaging material, and a container are provided.
    Type: Application
    Filed: June 29, 2018
    Publication date: April 8, 2021
    Inventors: Kosuke OTSUKA, Kaname SATO, Takafumi ODA
  • Publication number: 20210087391
    Abstract: An easily tearable film includes polyamide resin components including more than 20 parts by mass and 70 parts by mass or less of a semi-aromatic polyamide resin A and less than 80 parts by mass and 30 parts by mass or more of an aliphatic polyamide resin B; wherein the semi-aromatic polyamide resin A is constituted of a diamine-derived constituent unit and a dicarboxylic acid-derived constituent unit; 60 mol % or more of the diamine-derived constituent units are derived from metaxylylenediamine; 60 mol % or more of the dicarboxylic acid-derived constituent units are derived from an ?,?-linear aliphatic dicarboxylic acid having from 4 to 10 carbons; and the molar concentration of phosphorus atoms, the total molar concentration of alkali metal atoms and the total molar concentration of alkaline earth metal atoms, and Mn of the semi-aromatic polyamide resin satisfy predetermined relationships.
    Type: Application
    Filed: June 29, 2018
    Publication date: March 25, 2021
    Inventors: Kosuke OTSUKA, Takafumi ODA
  • 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