Patents Assigned to Toyo Seikan Group Holdings, Ltd.
  • Patent number: 11365038
    Abstract: A packaging material having a contact surface formed of a thermoplastic resin that is adapted for contacting a viscous content. The contact surface is a mirror surface having a roughness Sa of not more than 100 nm and a water contact angle of not less than 60° C. at 20° C.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: June 21, 2022
    Assignee: TOYO SEIKAN GROUP HOLDINGS. LTD.
    Inventors: Shinya Seito, Takayuki Ishihara, Saya Sugioka, Kousuke Ueda, Kota Okamoto
  • Publication number: 20220185952
    Abstract: A polylactic acid solid composition includes: a polylactic acid having a weight average molecular weight of not more than 40,000, which is measured in terms of polystyrene standard by GPC; and a basic compound of an alkali metal or an alkaline earth metal, which is a residue of a molecular weight reduction accelerator. The basic compound is contained in an amount in a range of 0.5 to 20 mass %.
    Type: Application
    Filed: March 30, 2020
    Publication date: June 16, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Tsutaki KATAYAMA, Seishi YOSHIKAWA, Koki SHIBATA
  • Publication number: 20220162345
    Abstract: A nanocellulose dispersion liquid including nanocellulose and a protic polar solvent having a dielectric constant of not less than 15 and less than 80 at 25° C. The nanocellulose contains a sulfuric acid group and/or a sulfo group derived from a sulfuric acid treatment and an anionic functional group derived from a hydrophilization treatment. Further, the total amount of the sulfuric acid group and/or the sulfo group and the anionic functional group is 0.20 to 4 mmol/g. Also disclosed is a method for producing the nanocellulose dispersion liquid.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 26, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Hideaki NAGAHAMA, Yuuki KINOSHITA
  • Publication number: 20220153878
    Abstract: A cellulose nanocrystal composite containing a sulfuric acid group and/or a sulfo group and an anionic functional group, and supporting fine metal particles. The total amount of the sulfuric acid group and/or the sulfo group and the anionic functional group is more than 0.17 mmol/g and not more than 4.0 mmol/g. Also disclosed is a method for producing the cellulose nanocrystal composite which includes treating a cellulose material with sulfuric acid to prepare cellulose nanocrystal containing a sulfuric acid group and/or a sulfo group; subjecting the cellulose nanocrystal to a hydrophilization treatment to prepare cellulose nanocrystal containing a sulfuric acid group and/or a sulfo group and an anionic functional group; and allowing the cellulose nanocrystal to support fine metal particles.
    Type: Application
    Filed: April 16, 2020
    Publication date: May 19, 2022
    Applicant: Toyo Seikan Group Holdings Ltd
    Inventors: Hideaki NAGAHAMA, Yuuki KINOSHITA
  • Patent number: 11324222
    Abstract: The present invention relates to an antiviral dispersion liquid, a method for producing the same, and an antiviral formed product. This dispersion liquid contains copper compound fine particles and a stabilizer in a non-aqueous solvent, and the copper compound fine particles are coated with fatty acid. The copper compound fine particles are dispersed in a dispersion medium homogeneously and stably, thereby to exhibit efficiently the antiviral properties of the copper compound fine particles.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: May 10, 2022
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Akiko Ogata, Kazuaki Ohashi, Yasuhiro Kosaka
  • Publication number: 20220127554
    Abstract: A culture container for culturing lymphocytes includes an immobilized surface and a non-immobilized surface, wherein the culture container is formed of a gas permeable film, the immobilized surface and the non-immobilized surface are container inner surfaces facing each other, and anti-CD3 antibodies are immobilized in the immobilized surface at a concentration of 10 to 300 ng/cm2.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Takahiko Totani, Satoshi Tanaka, Takeshi Aihara, Yoichi Ishizaki
  • Publication number: 20220127556
    Abstract: A culture container for culturing lymphocytes includes an immobilized surface and a non-immobilized surface, wherein the culture container is formed of a gas permeable film, the immobilized surface and the non-immobilized surface are container inner surfaces facing each other, and anti-CD3 antibodies are immobilized in the immobilized surface at a concentration of 10 to 300 ng/cm2.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Takahiko Totani, Satoshi Tanaka, Takeshi Aihara, Yoichi Ishizaki
  • Publication number: 20220127555
    Abstract: A culture container for culturing lymphocytes includes an immobilized surface and a non-immobilized surface, wherein the culture container is formed of a gas permeable film, the immobilized surface and the non-immobilized surface are container inner surfaces facing each other, and anti-CD3 antibodies are immobilized in the immobilized surface at a concentration of 10 to 300 ng/cm2.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Takahiko Totani, Satoshi Tanaka, Takeshi Aihara, Yoichi Ishizaki
  • Publication number: 20220126549
    Abstract: A water barrier laminate including inorganic barrier and water-trapping layers alternately arranged in order from the side facing the device to the outer side: a first inorganic barrier layer, a first water-trapping layer, a second inorganic barrier layer, a second water-trapping layer and a third inorganic barrier layer. A water-permeable underlying plastic layer is provided on one side of these inorganic barrier layers; a distance L1a between the first water-trapping layer and the first inorganic barrier layer and a distance L2a between the second water-trapping layer and the second barrier satisfy formulas (1) and (2): L1a<3 ?m??(1) L2a<3 ?m??(2) and a distance L1b between the second inorganic barrier layer and the first water-trapping layer satisfies formula (3): L1b?3 ?m??(3) by interposing a water-permeable organic layer therebetween.
    Type: Application
    Filed: February 25, 2020
    Publication date: April 28, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Shunya NANGOU, Shinpei OKUYAMA, Misato KAWANISHI, Keisuke TAKAYAMA
  • Patent number: 11312831
    Abstract: The present invention relates to a carrier for bio-related molecule immobilization, which comprises a resin substrate, an amino group-containing compound layer that is formed on the resin substrate, and a polyvalent carboxylic acid layer that is formed on the amino group-containing compound layer. The carboxyl groups in the polyvalent carboxylic acid layer are actively esterified; and the (COO peak intensity)/(C—C peak intensity) ratio of the C1s spectrum is from 0.064 to 0.12 (inclusive) if the carrier surface before the active esterification is measured by X-ray photoelectron spectroscopy.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: April 26, 2022
    Assignee: Toyo Seikan Group Holdings, Ltd.
    Inventors: Kazuki Nakajima, Shinya Jumyo, Yoshihiro Saruwatari, Norio Akuzawa, Ken Kashiwabara
  • Patent number: 11314020
    Abstract: A cutting device that cuts, with a predetermined length, an elongated GRIN lens fused with an optical fiber with tips thereof abutting each other, the cutting device including: a fiber holder placing unit on which a fiber holder for holding the optical fiber is placed; a lens holder placing unit on which a lens holder for holding the GRIN lens is placed; and a cutting unit arranged between the fiber holder placing unit and the lens holder placing unit, wherein the fiber holder placing unit includes a positioning unit for positioning the fiber holder placed thereon, and the lens holder placing unit includes a positioning unit for positioning the lens holder placed thereon.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: April 26, 2022
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventor: Naoki Misu
  • Patent number: 11298926
    Abstract: A gas-barrier multilayered container having (i) a layer of a propylene type polymer which chiefly includes a homopolypropylene having an isotactic index of not less than 93%, and (ii) a layer of an ethylene-vinyl alcohol copolymer having not less than two crystal melting peak temperatures. Also disclosed is a lustrous and shock-resistant multilayered container having at least (i) an outermost layer of a propylene type polymer A which chiefly includes a homopolypropylene having a melt flow rate of 2.0 to 10.0 g/10 min., and (ii) an inner layer of a propylene type polymer B which chiefly includes a homopolypropylene having a melt flow rate of not more than 1.0 g/10 min.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: April 12, 2022
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Yuuki Tashiro, Takayuki Ishihara, Azusa Otsuki
  • Patent number: 11292908
    Abstract: This invention provides an easy-to-tear resin film. Such easy-to-tear resin film is an easy-to-tear, unstretched resin film composed of a blend of a polyethylene terephthalate-based resin with the second resin having a difference in SP value from the polyethylene terephthalate-based resin of 1.1 to 4.0 (cal/cm3)0.5. This invention also provides a laminate film 1B for a packaging material comprising the easy-to-tear, unstretched resin film 10 between the inner layer film 20 serving as a heat seal surface and the surface layer film 30 comprising an isophthalic acid-modified polyethylene terephthalate resin having a copolymerization ratio of isophthalic acid component of 0 mol % to 5 mol %.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: April 5, 2022
    Assignees: Toyo Seikan Group Holdings, Ltd., Toyo Seikan Co., Ltd.
    Inventors: Satoshi Kawamura, Jiro Tomita, Takafumi Ohsawa, Yoshihiro Ohta, Takuya Hara
  • Publication number: 20220077529
    Abstract: A sealer for use in an all-solid-state secondary battery provided with a sulfur-containing solid electrolyte, characterized in that the sealer contains a resin and a particulate fatty acid metal salt dispersed in the resin, and the particulate fatty acid metal salt is a particulate fatty acid metal salt in which a fatty acid is coordinated on the surfaces of the metal particles having a mean particle diameter of not more than 1000 nm. The all-solid-state secondary battery is capable of suppressing the generation of the hydrogen sulfide.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 10, 2022
    Applicants: TOYO SEIKAN GROUP HOLDINGS, LTD., TOYO SEIKAN CO., LTD.
    Inventors: Tomokazu KOBAYSHI, Daisuke IMODA, Shuji NAKANO
  • Patent number: 11267033
    Abstract: A mold used for blanking a metal plate to shape a blank to be drawn. The mold has a surface treatment film and a top face to be brought into contact with the metal plate and a peripheral end face communicated indirectly with the top face. At least the top face is coated with the surface treatment film.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: March 8, 2022
    Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Ryozo Shiroishi, Kenichi Takao, Takuho Kumagai
  • Publication number: 20220049060
    Abstract: The present invention provides a molding precursor for a fiber-reinforced polyimide resin molded article, which is formed by impregnating a functional fiber with an addition-reaction type polyimide resin. The molding precursor has a melt viscosity in the range of 300 to 3200 kPa·s under conditions of keeping for 1 to 10 minutes at a temperature 5 to 20° C. lower than the thickening-start temperature so as to effectively prevent a fiber-reinforced polyimide resin molded article from warping. The present invention provides also a method for producing the molding precursor.
    Type: Application
    Filed: December 9, 2019
    Publication date: February 17, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Kouta SEGAMI, Kazunobu WATANABE, Yusuke KOBAYASHI
  • Publication number: 20220041826
    Abstract: The present invention relates to a product formed of a mixture containing a multivalent cation resin and nanocellulose. The present invention is characterized in that a layer containing the nanocellulose is formed on a layer of the multivalent cation resin so that the multivalent cation resin and the nanocellulose are mixed with each other. The product of the present invention provides a laminate having a nanocellulose-containing layer with excellent gas barrier property and an interlayer adhesion, and the present invention provides also a method for producing the same.
    Type: Application
    Filed: April 26, 2019
    Publication date: February 10, 2022
    Applicant: Toyo Seikan Group Holdings, Ltd.
    Inventors: Yuuki KINOSHITA, Hideaki NAGAHAMA, Toshiki YAMADA
  • Publication number: 20220033572
    Abstract: A method of producing a polyoxalate copolymer using, as a diol component, an ethylene glycol and other diol in combination, and subjecting the diol component and a dimethyl oxalate to an esterification polymerization reaction. The esterification polymerization reaction is executed through a step that includes: a step of a normal-pressure polymerization inclusive of the esterification polymerization reaction of a oxalic acid formed from the dimethyl oxalate and the ethylene glycol, and a step of a reduced-pressure polymerization that is accompanied by a removal of diol after the step of the normal-pressure polymerization. Further, the other diol is added to the polymerization system at a predetermined temperature in the step of the normal-pressure polymerization.
    Type: Application
    Filed: October 13, 2021
    Publication date: February 3, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS,LTD.
    Inventors: Tsutaki KATAYAMA, Seishi YOSHIKAWA
  • Publication number: 20220033142
    Abstract: A method of producing a directly blow-formed container. The method includes subjecting a multilayered parison having an inner surface formed of an olefin resin to direct blow forming, the olefin resin containing (i) an organic bleeding lubricant having a melting point of not higher than 50° C. in an amount of 5 to 10% by mass, and (ii) a high silica zeolite having a silica/alumina mole ratio of not less than 80 in an amount of 0.2 to 3.0% by mass.
    Type: Application
    Filed: October 18, 2021
    Publication date: February 3, 2022
    Applicants: TOYO SEIKAN GROUP HOLDINGS, LTD., TOYO SEIKAN CO., LTD.
    Inventors: Ikuo Komatsu, Yosuke Akutsu, Keisuke Nyuu, Satomi Ozawa
  • Publication number: 20220025208
    Abstract: A coating composition containing a polyester resin (A) having an acid value of not lower than 5 mgKOH/g, a polyester resin (B) having an acid value of lower than 5 mgKOH/g, and a curing agent having a functional group capable of crosslinking reaction with a carboxyl group. Assuming that the total solid content mass of the polyester resin (A) and the polyester resin (B) is 100 parts by mass, the content of the polyester resin (A) is in a range of more than 50 parts by mass to not more than 97 parts by mass, and the content of the polyester resin (B) is in a range of not less than 3 parts by mass to less than 50 parts by mass. Also disclosed is a coated metal substrate and a drawn-ironed can formed of the coated metal substrate.
    Type: Application
    Filed: November 8, 2019
    Publication date: January 27, 2022
    Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.
    Inventors: Takuya KASHIWAKURA, Hiromi YAMAMOTO, Arata SAKURAGI, Nan ZHANG