Patents by Inventor Tatsuya Oshita

Tatsuya Oshita 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: 20230407454
    Abstract: The present disclosure relates to a multilayer structure including: a laminate including a base (X) and at least two layers (Y), the layers (Y) being provided on both faces of the base (X); and layers (Z) containing a thermoplastic resin.
    Type: Application
    Filed: November 2, 2021
    Publication date: December 21, 2023
    Applicant: Kuraray Co., Ltd.
    Inventors: Shuhei Kuzume, Tatsuya Oshita
  • Patent number: 11813825
    Abstract: The present disclosure provides a laminate having a gas barrier layer and a polyurethane layer.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: November 14, 2023
    Assignee: KURARAY CO., LTD.
    Inventors: Yasuhiro Nonaka, Tatsuya Oshita
  • Publication number: 20230347631
    Abstract: The present disclosure provides a multilayer structure in which a layer (A) made of a polyolefin resin composition (a), an oxygen barrier layer (B) and a sealant layer (C) are laminated in this sequence.
    Type: Application
    Filed: September 9, 2021
    Publication date: November 2, 2023
    Applicant: KURARAY CO., LTD.
    Inventors: Takeshi Sakano, Kentaro Yoshida, Satoshi Ishiuchi, Tatsuya Oshita
  • Publication number: 20230158785
    Abstract: Provided are: a multilayer structure having a strong initial interlayer adhesive force, with a decrease of the interlayer adhesive force being prevented even in a case of use in a harsh environment such as exposure to hot water, an acid, or an alkali for a long period of time; a method for producing such a multilayer structure; and a sheet for preventing diffusion of hazardous substances, a landfill geomembrane, and a multilayer pipe, each including such a multilayer structure.
    Type: Application
    Filed: April 13, 2021
    Publication date: May 25, 2023
    Applicants: KURARAY CO., LTD., MITSUI CHEMICALS, INC.
    Inventors: Kazuhira Hata, Tatsuya Oshita, Ryohei Shiga
  • Publication number: 20230025201
    Abstract: The present disclosure provides packaging materials and products including such as a multilayer structure comprising a base (X), a layer (Y), and a layer (Z), in which the layer (Y) and the layer (Z) are adjacently stacked in at least one pair of the layer (Y) and the layer (Z).
    Type: Application
    Filed: December 9, 2020
    Publication date: January 26, 2023
    Applicant: KURARAY CO., LTD.
    Inventors: Shuhei Kuzume, Tatsuya Oshita
  • Publication number: 20220396060
    Abstract: The present disclosure provides a multilayer structure having a gas barrier layer and a polyurethane layer; a molded product having such a multilayer structure; and a method for producing the molded product.
    Type: Application
    Filed: September 24, 2020
    Publication date: December 15, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Yasuhiro Nonaka, Tatsuya Oshita
  • Publication number: 20220388286
    Abstract: The present disclosure provides a laminate having a gas barrier layer and a polyurethane layer.
    Type: Application
    Filed: September 24, 2020
    Publication date: December 8, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Yasuhiro Nonaka, Tatsuya Oshita
  • Publication number: 20220259418
    Abstract: A resin composition of the present invention contains an ethylene-cyclic olefin copolymer (A) that includes repeating units including ethylene units and norbornene units having a substituent R1 and is represented by Formula (I) below, and a transition metal catalyst (B). In the formula, R1 represents an ethylene group or an ethylene group that is subjected to substitution with an aliphatic hydrocarbon group having 1 to 3 carbon atoms, l and n represent the content ratios of the ethylene units and the norbornene units having a substituent R1, respectively, and the ratio of l to n (l/n) is 4 or more and 2,000 or less.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 18, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Takeshi Sakano, Tatsuya Oshita
  • Patent number: 10814350
    Abstract: The composite structural material of the present invention includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R) of a metal oxide (A) and a phosphorus compound (B). In the infrared absorption spectrum of the layer (Y) in the range of 800 to 1400 cm?1, the wave number (n1) at which the infrared absorption reaches maximum is in the range of 1080 to 1130 cm?1.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: October 27, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Kentaro Yoshida, Ryoichi Sasaki, Mamoru Omoda, Wataru Hirose, Manabu Shibata, Tatsuya Oshita
  • Publication number: 20200139681
    Abstract: An intermediate film for laminated glasses, the intermediate film having at least a sound insulation layer that comprises a resin composition A containing 100 parts by mass of a thermoplastic resin and 10 to 1000 parts by mass of a damping-property-imparting agent, wherein the damping-property-imparting agent has a molecular weight of 100 to 10000 and does not have a melting point at a temperature higher than 30° C., and the resin composition A has a maximum value of tan ? at a temperature of 30° C. or lower, and the maximum value is more than 3.1.
    Type: Application
    Filed: September 19, 2017
    Publication date: May 7, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Yoshiaki ASANUMA, Tatsuya OSHITA, Koichiro ISOUE
  • Patent number: 10290756
    Abstract: Provided are a novel multilayer structure that can be used to protect a device and a device using the multilayer structure. The disclosed multilayer structure is a multilayer structure including a substrate and a barrier layer stacked on the substrate. The 3% strain tension of the substrate in at least one direction is at least 2000 N/m. The barrier layer contains a reaction product (R). The reaction product (R) is a reaction product formed by a reaction at least between a metal oxide (A) and a phosphorus compound (B). In an infrared absorption spectrum of the barrier layer in a range of 800 to 1400 cm?1, a wavenumber (n1) at which maximum infrared absorption occurs is in a range of 1080 to 1130 cm?1. A metal atom constituting the metal oxide (A) is essentially an aluminum atom.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: May 14, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Masakazu Nakaya, Noboru Higashida, Kentaro Yoshida, Ryoichi Sasaki, Manabu Shibata, Tatsuya Oshita
  • Patent number: 9914837
    Abstract: The method disclosed includes: a step (I) of preparing a dispersion liquid (S) including an aluminum compound (A); a step (II) of mixing the dispersion liquid (S) and a predetermined phosphorus compound (B) so as to prepare a coating liquid (U); a step (III) of applying the coating liquid (U) onto the base (X) so as to form a precursor layer of the layer (Y); and a step (IV) of subjecting the precursor layer to heat treatment at a temperature of 110° C. or more so as to form the layer (Y). The aluminum compound (A) can be formed by adding an acid to a solution including an aluminate. The number of moles (NM) of aluminum atoms derived from the aluminum compound (A) and the number of moles (NP) of phosphorus atoms derived from the phosphorus compound (B) satisfy 0.8?(NM)/(NP)?4.5.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: March 13, 2018
    Assignee: KURRAY CO., LTD.
    Inventors: Ryoichi Sasaki, Kentaro Yoshida, Mamoru Omoda, Suehiko Nagano, Tatsuya Oshita
  • Patent number: 9862517
    Abstract: A blow molded container including (A) a layer containing an ethylene-vinyl alcohol copolymer as a principal component, in which the layer (A) contains an unsaturated aldehyde, and the content of the unsaturated aldehyde in the layer (A) is 0.01 ppm or more and 100 ppm or less. The unsaturated aldehyde (II) is preferably an unsaturated aliphatic aldehyde. The unsaturated aldehyde (II) is preferably at least one selected from the group consisting of crotonaldehyde, 2,4-hexadienal and 2,4,6-octatrienal. The layer (A) preferably contains a conjugated polyene compound, and the content of the conjugated polyene compound in the layer (A) is preferably 0.01 ppm or more and 1,000 ppm or less.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: January 9, 2018
    Assignee: KURARAY CO., LTD.
    Inventors: Shogo Nakazawa, Hiroshi Kawai, Nahoto Hayashi, Tatsuya Oshita
  • Patent number: 9840630
    Abstract: A composite structure disclosed includes a base (X) and a layer (Y). The layer (Y) includes a mixture of a metal oxide (A), a phosphorus compound (B), and a compound (La) (silicon compound). Examples of the phosphorus compound (B) and the compound (La) include a compound containing a site capable of reacting with the metal oxide (A). When the number of moles of metal atoms (M) derived from the metal oxide (A) is denoted by NM and the number of moles of Si atoms derived from the compound (La) is denoted by NSi, 0.01?NSi/NM?0.30 is satisfied. When the number of moles of phosphorus atoms derived from the phosphorus compound (B) is denoted by NP, 0.8?NM/NP?4.5 is satisfied.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: December 12, 2017
    Assignee: KURARAY CO., LTD.
    Inventors: Ryoichi Sasaki, Kentaro Yoshida, Mamoru Omoda, Wataru Hirose, Manabu Shibata, Tatsuya Oshita
  • Publication number: 20170088324
    Abstract: The present invention relates to a multilayer structure including a base (X) and a layer (Y) stacked on the base (X), the layer (Y) containing the following at a specific ratio: a metal oxide (A); a phosphorus compound (B) containing a moiety capable of reacting with the metal oxide (A); and cations (Z) with an ionic charge (FZ) of 1 or more and 3 or less.
    Type: Application
    Filed: March 18, 2015
    Publication date: March 30, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Ryoichi SASAKI, Yasutaka INUBUSHI, Masakazu NAKAYA, Kentaro YOSHIDA, Tatsuya OSHITA, Jun TAKAI, Kikuo ARIMOTO
  • Patent number: 9403998
    Abstract: A composite structure disclosed includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R). The reaction product (R) is a reaction product formed by a reaction at least between a metal oxide (A) and a phosphorus compound (B). A peak for a binding energy of an oxygen-atom 1s orbital observed by X-ray photoelectron spectroscopy of the layer (Y) is located at 532.0 eV or higher, and the peak has a half width of less than 2.0 eV.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: August 2, 2016
    Assignee: KURARAY CO., LTD.
    Inventors: Kentaro Yoshida, Ryoichi Sasaki, Mamoru Omoda, Wataru Hirose, Manabu Shibata, Tatsuya Oshita
  • Patent number: 9327475
    Abstract: The gas barrier layered product of the present invention includes a base and a gas barrier layer stacked on the base. The gas barrier layer is formed of a composition that includes the hydrolyzed condensate of at least one type of compound (L) containing a hydrolyzable characteristic group, and a polymer (X) containing at least one functional group selected from a carboxyl group and a carboxylic acid anhydride group. At least part of —COO— group contained in the functional group of the polymer (X) is neutralized and/or reacted with a compound (P) containing at least two amino groups. At least part of the —COO— group of the polymer (X) is neutralized with a metal ion having a valence of at least two. The ratio of [the equivalent amount of the amino groups contained in the compound (P)]/[the equivalent amount of the —COO— group of the polymer (X)] is in the range of 0.2/100 to 20.0/100.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: May 3, 2016
    Assignee: KURARAY CO., LTD.
    Inventors: Wataru Hirose, Tatsuya Oshita
  • Publication number: 20160096194
    Abstract: The composite structural material of the present invention includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R) of a metal oxide (A) and a phosphorus compound (B). In the infrared absorption spectrum of the layer (Y) in the range of 800 to 1400 cm?1, the wave number (n1) at which the infrared absorption reaches maximum is in the range of 1080 to 1130 cm?1.
    Type: Application
    Filed: December 14, 2015
    Publication date: April 7, 2016
    Applicant: KURARAY CO., LTD.
    Inventors: Kentaro Yoshida, Ryoichi Sasaki, Mamoru Omoda, Wataru Hirose, Manabu Shibata, Tatsuya Oshita
  • Patent number: 9260622
    Abstract: The composite structural material of the present invention includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R) of a metal oxide (A) and a phosphorus compound (B). In the infrared absorption spectrum of the layer (Y) in the range of 800 to 1400 cm?1, the wave number (n1) at which the infrared absorption reaches maximum is in the range of 1080 to 1130 cm?1.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: February 16, 2016
    Assignee: KURARAY CO., LTD.
    Inventors: Kentaro Yoshida, Ryoichi Sasaki, Mamoru Omoda, Wataru Hirose, Manabu Shibata, Tatsuya Oshita
  • Publication number: 20150155409
    Abstract: Provided are a novel multilayer structure that can be used to protect a device and a device using the multilayer structure. The disclosed multilayer structure is a multilayer structure including a substrate and a barrier layer stacked on the substrate. The 3% strain tension of the substrate in at least one direction is at least 2000 N/m. The barrier layer contains a reaction product (R). The reaction product (R) is a reaction product formed by a reaction at least between a metal oxide (A) and a phosphorus compound (B). In an infrared absorption spectrum of the barrier layer in a range of 800 to 1400 cm?1, a wavenumber (n1) at which maximum infrared absorption occurs is in a range of 1080 to 1130 cm?1. A metal atom constituting the metal oxide (A) is essentially an aluminum atom.
    Type: Application
    Filed: June 12, 2013
    Publication date: June 4, 2015
    Applicant: KURARAY CO., LTD.
    Inventors: Masakazu Nakaya, Noboru Higashida, Kentaro Yoshida, Ryoichi Sasaki, Manabu Shibata, Tatsuya Oshita