Patents Assigned to Toyo Seikan Group Holdings, Ltd.
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Publication number: 20230256500Abstract: By conducting a strict study on a plate thickness, a pressure resistance is improved while satisfying the demand for further reduction of the plate thickness. A can lid has a center panel part, a panel wall part, a chuck wall radius part, a chuck wall part, and a curl part. t2>t1 holds, where t1 represents a plate thickness of the center panel part, and t2 represents a plate thickness of a bottom end of the panel wall part.Type: ApplicationFiled: June 8, 2021Publication date: August 17, 2023Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Tomomi KOBAYASHI, Yuki YAMAMURA
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Patent number: 11723262Abstract: A substrate for flexible device. The substrate has a nickel-plated metal sheet having a nickel-plating layer formed on at least one surface of a metal sheet or a nickel-based sheet, and a glass layer of an electrically-insulating layered bismuth-based glass on a surface of the nickel-plating layer or the nickel-based sheet. An oxide layer having a roughened surface is formed on the surface of the nickel-plating layer or the surface of the nickel-based sheet, and the bismuth-based glass contains 70 to 84% by weight of Bi2O3, 10 to 12% by weight of ZnO, and 6 to 12% by weight of B2O3. Also disclosed is a method for producing the substrate for flexible device, a substrate for an organic EL device, a sheet used as a substrate for flexible device, a method for producing the sheet and a bismuth-based lead-free glass composition.Type: GrantFiled: July 15, 2021Date of Patent: August 8, 2023Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Toshihiko Miyazaki, Hirohisa Masuda, Hiroshi Shimomura, Kouji Nanbu
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Publication number: 20230235123Abstract: An addition reaction type polyimide resin molded body having a thickness of 5 mm or more, with a number of defects having a size of 0.5 mm or more present on the entire surface of the molded body being 1 per 100 cm2 or less. The addition reaction type polyimide resin molded body is formed by: holding a prepolymer of an addition reaction type polyimide resin at a temperature equal to or higher than a viscosity increase starting temperature of the addition reaction type polyimide resin and increasing a melt viscosity at a temperature lower by 10° C. than the viscosity increase starting temperature to 70 to 900 kPa·s; grinding and mixing the addition reaction type polyimide resin to form a molding precursor; and shaping the molding precursor at a temperature equal to or higher than a heat-curing temperature of the addition reaction type polyimide resin.Type: ApplicationFiled: June 7, 2021Publication date: July 27, 2023Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Kouta SEGAMI, Kazunobu WATANABE, Yusuke KOBAYASHI
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Publication number: 20230227618Abstract: A moisture barrier laminated film (10) includes: a plastic film (A) having an inorganic barrier layer (A1); a moisture trapping layer (B) containing an alkali component; and a coating layer (C) provided between the inorganic barrier layer (A1) and the moisture trapping layer (B). In the coating layer (C), a moisture permeability at 40° C. and 90%RH is 6.0 × 104 g/m2/day or less, and a storage modulus E? (at 2? rad/s) in viscoelasticity measurement at 85° C. is 30 MPa or more.Type: ApplicationFiled: March 26, 2021Publication date: July 20, 2023Applicant: Toyo Seikan Group Holdings, Ltd.Inventors: Shinpei OKUYAMA, Keisuke TAKAYAMA, Shunya NANGOU, Kazumi OZAWA, Misato KAWANISHI
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Publication number: 20230227787Abstract: An object of the present invention is to provide a novel approach capable of conveniently producing a large quantity of substantially uniform size cell aggregates. Provided is a method for producing cell aggregates using a cell culture bag, the cell culture bag having a lower face comprising a plurality of recesses, the method comprising the steps of: (1) adding cells and a medium to the cell culture bag, stirring the contents, and culturing the cells while applying a pressure to the cell culture bag; and (2) recovering the formed cell aggregates after the completion of culture.Type: ApplicationFiled: May 27, 2021Publication date: July 20, 2023Applicants: Orizuru Therapeutics, Inc., Toyo Seikan Group Holdings, Ltd.Inventors: Junji YAMAURA, Ryo ITO, Taro TOYODA, Shuhei KONAGAYA, Ryo SUENAGA
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Patent number: 11702621Abstract: Provided are a multilayer film having excellent gas permeability and excellent handling properties and hence is suited for forming a cell culture container, and a cell culture container formed by using the same. A multilayer film used for forming a cell culture container, comprising: a base material composed of a polyethylene-based resin having a density of 0.87 g/cm3 to 0.90 g/cm3; and an inner layer composed of a polyethylene-based resin having a density of 0.896 g/cm3 to 0.93 g/cm3 and forming a cell culture icy surface. A cell culture container is formed by using this multilayer film.Type: GrantFiled: December 26, 2018Date of Patent: July 18, 2023Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Satoshi Tanaka, Takahiko Totani, Yoichi Ishizaki, Kyohei Ota, Ryo Suenaga, Masahiro Kuninori
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Publication number: 20230219127Abstract: A method of manufacturing a can body includes: molding a preform of a can including: molding a dome part on a bottom of a bottomed cylindrical body, the dome part being concave into the bottomed cylindrical body; and molding as annular leg part projecting in a direction opposite to a direction in which the dome part is concave, the leg part including an inner peripheral section which is inclined from a ground point of the leg part toward a can axis in a vertical cross-sectional view taken along the can axis; painting at least one of an inner surface and an outer surface of the preform of the can; and bottom reforming to mold a molded can including a curved end around the dome part by pressing an inner surface of the dome part of the preform of the can painted by the painting.Type: ApplicationFiled: February 27, 2023Publication date: July 13, 2023Applicants: Toyo Seikan Group Holdings, Ltd., Toyo Seikan Co., Ltd.Inventors: HAYATO FUKUMOTO, Tomokazu KOBAYASHI
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Publication number: 20230202715Abstract: The disclosure relates to a drawn/ironed can having at least an inner surface coating film on a can inner surface side, the inner surface coating film containing a polyester resin and a curing agent, and a stress relaxation ratio of the inner surface coating film after 10 minutes at 1% elongation in a can bottom portion is 50% or higher under a test condition of 100° C., whereby metal exposure due to severe processing such as drawing or ironing and coating film peeling due to heat treatment after molding are effectively prevented.Type: ApplicationFiled: May 10, 2021Publication date: June 29, 2023Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Hiromi YAMAMOTO, Takuya KASHIWAKURA, Arata SAKURAGI, Nan ZHANG
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Publication number: 20230203422Abstract: An object of the present invention is to provide a novel approach capable of conveniently and efficiently removing air that has entered a cell culture bag at the time of addition of a culture medium. The present invention provides a system for culturing cells or cell aggregates using a cell culture bag, the cell culture bag having a lower face comprising a plurality of recesses, the culturing system comprising a mechanism which removes air in the cell culture bag through the cell culture bag by applying a pressure before cell addition to the cell culture bag supplemented with a culture medium.Type: ApplicationFiled: May 27, 2021Publication date: June 29, 2023Applicant: Toyo Seikan Group Holdings, Ltd.Inventor: Ryo SUENAGA
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Publication number: 20230158473Abstract: An oxygen-absorbing film including at least, from an outer layer side, a surface substrate layer having an oxygen barrier property, an oxygen-absorbing resin layer, and an inner surface substrate layer that contains a stretched PET substrate and is heat-sealable. The surface substrate layer, the oxygen-absorbing resin layer, and the inner surface substrate layer are laminated in this order. The oxygen-absorbing film provides an oxygen-absorbing film suitable as a packaging material that excels in oxidation suppression of packaging contents and in non-sorption of aroma components and also exhibits excellent tearability.Type: ApplicationFiled: January 9, 2023Publication date: May 25, 2023Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD,Inventors: Kaori SHIMANO, Tomohiro Miyai, Hiroki Komagata, Takahiro Akahane
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Patent number: 11647744Abstract: A dispersion solution including a solvent which contains fine particles of a copper compound, a stabilizer, a fatty acid, a fatty acid ester of the fatty acid, and a polycarboxylic acid. The fine particles of the copper compound having antiviral property are homogeneously dispersed in the dispersion medium maintaining stability over extended periods of time.Type: GrantFiled: December 4, 2017Date of Patent: May 16, 2023Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Akiko Koganei, Kazuaki Ohashi, Yasuhiro Kosaka
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Patent number: 11643708Abstract: The present invention relates to a nickel-based self-fluxing alloy, a glass manufacturing member, a mold, and a glass gob transporting member having an improved slipperiness against a glass gob. A nickel-based self-fluxing alloy used in a glass manufacturing member for transporting or molding glass with a viscosity of log ?=3 to 14.6, comprises: boron (B) in an amount of ranging from 0 percent to 1.5 percent by mass; hard particles; and silicon (Si). Preferably, the amount of boron (B) ranges from 0 percent to less than 1.0 percent by mass. Preferably, the hard particles contain at least one of a carbide, a nitrides, an oxide and a cermet. Preferably, the nickel-based self-fluxing alloy comprises at least one metal selected from Group 4, 5 and 6 elements in an amount of ranging from 0 percent to 30 percent by mass.Type: GrantFiled: May 19, 2020Date of Patent: May 9, 2023Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Daisuke Kawamata, Toshifusa Azuma, Daichi Tsuchiya, Yutaka Asano, Yukio Satoh
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Publication number: 20230132536Abstract: The present invention relates to a gas-barrier coating composition containing a metal oxide, a phosphoric acid compound, and an amine compound. The present invention provides a gas-barrier film that features excellent oxygen-barrier property, excellent water vapor-barrier property as well as excellent transparency, and a gas-barrier laminate that includes the film.Type: ApplicationFiled: March 16, 2021Publication date: May 4, 2023Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Midori ITOU, Tomohiro MIYAI, Kazuhiro TSURUTA
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Publication number: 20230052768Abstract: A porous silica having at least one metal X selected from the group consisting of Mn, Cu and Fe.Type: ApplicationFiled: January 17, 2020Publication date: February 16, 2023Applicant: Toyo Seikan Group Holdings, Ltd.Inventors: Mariko KIMURA, Kazuaki OHASHI, Daisuke IKUTAME
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Patent number: 11565508Abstract: An object of the present invention is to provide a moisture barrier laminate including a moisture trapping layer that maximizes its moisture trapping performance and exhibits an excellent moisture barrier property. The moisture barrier laminate of the present invention includes a gas barrier film substrate A having a gas barrier layer a1 and a moisture trapping layer B formed on the film substrate A as a base. On a surface of the moisture trapping layer B opposite to the film substrate A, a protective resin layer C having a moisture permeability in a range of 4.0×10 to 5.0×104 g/m2·day at 40° C. and 90% RH is laminated.Type: GrantFiled: March 29, 2019Date of Patent: January 31, 2023Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Misato Kawanishi, Shunya Nangou, Shinpei Okuyama, Keisuke Takayama, Yoshihiro Ohta
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Publication number: 20230002606Abstract: A master batch includes a matrix resin containing a propylene-based resin and a non-volatile liquid with a boiling point of 200° C. or higher dispersed in the matrix resin. Temperature conditions represented by the relationships below are satisfied: Tm<159° C., Tc?97° C., and Tm?Tc<49° C. where Tc is a crystallization temperature indicated, in DSC measurement, as a peak top temperature of an exothermic peak observed on a highest temperature side when cooled to ?50° C. at a temperature lowering speed of 10° C./min after heat treatment for 5 minutes at 200° C. and Tm is a melting point indicated, in the DSC measurement, as a peak top temperature of a melting peak observed on a highest temperature side when heated from ?50° C. to 200° C. at a temperature rising speed of 10° C./min after being cooled.Type: ApplicationFiled: September 3, 2020Publication date: January 5, 2023Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Takuo MURAKAMI, Yosuke AKUTSU
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Patent number: 11479018Abstract: A barrier film for electronic devices exhibiting and maintaining excellent water barrier property. The barrier film for electronic devices features a water permeability (23° C., RH50%) that is set to be not more than 10?4 g/m2/day and a water content that is maintained to be not more than 2000 ppm.Type: GrantFiled: April 1, 2019Date of Patent: October 25, 2022Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Chiho Sugiura, Yusuke Obu, Kenji Hayashi, Yutaka Kawakubo
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Publication number: 20220332930Abstract: A propylene-based resin composition including an impact polypropylene component (A), and a linear low-density polyethylene component (B) containing methylpentene as a comonomer, the composition being characterized by containing a xylene-soluble fraction in an amount of 8 mass % or higher, and having an intrinsic viscosity measured for the xylene-soluble fraction is in a range from 1.0 to 2.9 dL/g.Type: ApplicationFiled: September 3, 2020Publication date: October 20, 2022Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Seishi YOSHIKAWA, Koki SHIBATA, Atsushi EBATA, Takayuki ISHIHARA
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Publication number: 20220306840Abstract: The present invention relates to a cellulose-containing resin composition and a method of producing the same. The cellulose-containing resin composition includes cellulose nanocrystals containing, as cellulose, hemicellulose in an amount of 10 wt. % or less, and thereby the amount of VOCs released due to the cellulose can be reduced without using an additive, and a cellulose-containing resin composition having a lower TVOC amount than that of the resin itself can be provided.Type: ApplicationFiled: June 1, 2020Publication date: September 29, 2022Applicant: Toyo Seikan Group Holdings, Ltd.Inventors: Hideaki NAGAHAMA, Yuuki KINOSHITA
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Patent number: D979090Type: GrantFiled: October 28, 2020Date of Patent: February 21, 2023Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventor: Ryo Suenaga