Patents Assigned to Toyo Kohan Co., Ltd.
  • Patent number: 11939693
    Abstract: There is provided a surface-treated steel sheet (1) comprising: a tin-plated steel sheet (10) obtained by tin-plating a steel sheet (11); a phosphate compound layer (20) containing tin phosphate formed on the tin-plated steel sheet (10); and an aluminum-oxygen compound layer (30) on the phosphate compound layer (20), a main constituent of the aluminum-oxygen compound layer (30) being an aluminum-oxygen compound; wherein, when the 3d5/2 spectrum of tin in the aluminum-oxygen compound layer (30) is determined using an X-ray photoelectron spectroscopy, the ratio of the integration value of the profile derived from tin oxide to the integration value of the profile derived from tin phosphate (tin oxide/tin phosphate) is 6.9 or more.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: March 26, 2024
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Kunihiro Yoshimura, Masanobu Matsubara, Marie Sasaki, Akihiro Yoshida, Kenji Yanada, Munemitsu Hirotsu
  • Patent number: 11878363
    Abstract: It is an object of the present invention to provide a roll-bonded laminate controlled in warping and a method for producing the same. The method produces the roll-bonded laminate having a two-layer structure of a first metal layer and a second metal layer, by roll-bonding a first metal plate and a second metal plate, wherein the surface hardness Hv of the first metal plate is lower than the surface hardness Hv of the second metal plate; and the method comprises roll-bonding so as to satisfy the following expression (1): 0<(?L1/?L2)/T?38??(1) wherein ?L1 (mm) represents an elongation amount of the first metal layer with respect to the first metal plate; ?L2 (mm) represents an elongation amount of the second metal layer with respect to the second metal plate; and T (mm) represents the total thickness of the roll-bonded laminate.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: January 23, 2024
    Assignee: Toyo Kohan Co., Ltd.
    Inventors: Takafumi Hatakeda, Yusuke Hashimoto, Teppei Kurokawa
  • Patent number: 11840045
    Abstract: This invention provides a relatively thick roll-bonded laminate that exhibits a high Erichsen value and excellent molding workability. Such roll-bonded laminate is composed of a stainless steel layer and a non-stainless steel metal layer, and it is characterized in that thickness T is 0.2 mm to 3 mm and a correlation between a proportion PSUS of thickness TSUS of the stainless steel layer relative to thickness T and a half width FWHM200 of a peak exhibiting a crystal plane orientation (200) determined by X-ray diffraction analysis of the stainless steel layer side satisfies the correlation represented by the formula: FWHM200?0.0057PSUS+0.4.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: December 12, 2023
    Assignee: Toyo Kohan Co., Ltd.
    Inventors: Yusuke Hashimoto, Kota Sadaki, Teppei Kurokawa, Takashi Koshiro, Takafumi Hatakeda
  • Patent number: 11824212
    Abstract: A surface-treated steel sheet for a battery container, including a steel sheet, an iron-nickel diffusion layer formed on the steel sheet, and a nickel layer formed on the iron-nickel diffusion layer (and constituting the outermost layer, wherein when the Fe intensity and the Ni intensity are continuously measured from the surface of the surface-treated steel sheet for a battery container along the depth direction with a high frequency glow discharge optical emission spectrometric analyzer, the thickness of the iron-nickel diffusion layer being the difference between the depth at which the Fe intensity exhibits a first predetermined value and the depth at which the Ni intensity exhibits a second predetermined value is 0.04 to 0.31 ?m; and the total amount of the nickel contained in the iron-nickel diffusion layer and the nickel contained in the nickel layer is 4.4 g/m2 or more and less than 10.8 g/m2.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: November 21, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Kengo Asada, Masao Suda, Kota Sadaki, Hideyuki Minagi
  • Publication number: 20230340685
    Abstract: A roughened plated sheet including a roughened plated layer having a roughened nickel plated layer and a zinc plated layer formed on at least one surface of a metal substrate in this order from the metal substrate side, wherein a ten-point average roughness Rzjis of a surface of the roughened plated layer, according to laser microscope measurement, is 3 ?m or more, and the metal substrate is a steel sheet.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 26, 2023
    Applicant: TOYO KOHAN CO., LTD.
    Inventors: Hiroki YANAGA, Shinichirou HORIE, Etsuro TSUTSUMI, Masashi ICHISHIMA, Toshifumi KOYANAGI, Koh YOSHIOKA
  • Patent number: 11799156
    Abstract: A surface-treated steel sheet for a battery container includes a steel sheet, an iron-nickel diffusion layer formed on the steel sheet, and a nickel layer formed on the iron-nickel diffusion layer and constituting the outermost layer. When the Fe intensity and the Ni intensity are continuously measured from the surface of the surface-treated steel sheet for a battery container along the depth direction with a high frequency glow discharge optical emission spectrometric analyzer, the thickness of the iron-nickel diffusion layer being the difference (D2?D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is 0.04 to 0.31 ?m; and the total amount of the nickel contained in the iron-nickel diffusion layer and the nickel contained in the nickel layer is 10.8 to 26.7 g/m2.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: October 24, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Kota Sadaki, Koh Yoshioka
  • Patent number: 11760063
    Abstract: There is provided a roughened nickel-plated sheet having a roughened nickel layer as an outermost surface layer on at least one surface of a metal base material, wherein the brightness L* of the surface of the roughened nickel layer is 30 to 50, the glossiness of 85° of the surface of the roughened nickel layer is 1.5 to 50.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: September 19, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Shinichirou Horie, Etsuro Tsutsumi, Toshifumi Koyanagi, Koh Yoshioka
  • Patent number: 11753737
    Abstract: There is provided a surface-treated steel sheet (1) comprising: a tin-plated steel sheet (10) obtained by tin-plating a steel sheet (11); a phosphate compound layer (20) containing tin phosphate formed on the tin-plated steel sheet (10); and an aluminum-oxygen compound layer (30) formed on the phosphate compound layer (20), a main constituent of the aluminum-oxygen compound layer being an aluminum-oxygen compound.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: September 12, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Kunihiro Yoshimura, Masanobu Matsubara, Marie Sasaki, Akihiro Yoshida, Kenji Yanada, Munemitsu Hirotsu
  • Patent number: 11732376
    Abstract: Provided is a roughened plated sheet comprising a roughened plated layer having a roughened nickel plated layer and a zinc plated layer formed on at least one surface of a metal substrate in this order from the metal substrate side, wherein a ten-point average roughness Rzjis of a surface of the roughened plated layer, according to laser microscope measurement, is 3 ?m or more.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: August 22, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Hiroki Yanaga, Shinichirou Horie, Etsuro Tsutsumi, Masashi Ichishima, Toshifumi Koyanagi, Koh Yoshioka
  • Publication number: 20230257898
    Abstract: A surface-treated steel sheet including a tin-plated steel sheet having a tin plating on a steel sheet; a tin oxide layer formed on the tin-plated steel sheet and containing tin oxide as a main component; a composite oxide layer formed on the tin oxide layer and containing phosphoric acid and aluminum as main components; and an aluminum-oxygen compound layer formed on the composite oxide layer and containing an aluminum-oxygen compound as a main component, wherein the tin oxide layer has a thickness of 8 to 20 nm.
    Type: Application
    Filed: May 25, 2021
    Publication date: August 17, 2023
    Applicant: TOYO KOHAN CO., LTD.
    Inventors: Naomi TAGUCHI, Akihiro YOSHIDA, Kenji YANADA
  • Patent number: 11699824
    Abstract: The present invention provides a nickel-plated heat-treated steel sheet for a battery can (1), having a nickel layer with a nickel amount of 4.4 to 26.7 g/m2 on a steel sheet (11), wherein when the Fe intensity and the Ni intensity are continuously measured along the depth direction from the surface of the nickel-plated heat-treated steel sheet for a battery can, by using a high frequency glow discharge optical emission spectrometric analyzer, the difference (D2-D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is less than 0.04 ?m.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: July 11, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Kota Sadaki, Koh Yoshioka
  • Patent number: 11691386
    Abstract: This invention provides a roll-bonded laminate that is excellent in press workability and/or a roll-bonded laminate with improved performance and ease of handling at the time of production. More specifically, this invention relates to a roll-bonded laminate composed of a stainless steel layer and an aluminum alloy layer with the peel strength of 60 N/20 mm or higher, a roll-bonded laminate composed of a stainless steel layer and a pure aluminum layer with the peel strength of 160 N/20 mm or higher, and a roll-bonded laminate composed of a pure titanium or titanium alloy layer and an aluminum alloy layer with the peel strength of 40 N/20 mm or higher.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: July 4, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Kota Sadaki, Takashi Koshiro, Takafumi Hatakeda
  • Patent number: 11692216
    Abstract: An object of the present invention is to provide a simple and efficient device for predicting a risk of occurrence of a side effect of irinotecan by analyzing a single nucleotide polymorphism in a region encoding a specific gene. The prediction of the risk of the occurrence of a side effect of irinotecan is assisted by analyzing a single nucleotide polymorphism in a region encoding the APCDD1L gene, the R3HCC1 gene, the OR51I2 gene, the MKKS gene, the EDEM3 gene, or the ACOX1 gene which are present on genomic DNA in a biological sample collected from a test subject; or a single nucleotide polymorphism which is in linkage disequilibrium with or genetically linked to the single nucleotide polymorphism, and determining whether the single nucleotide polymorphism is homozygous for a variant type, heterozygous, or homozygous for a wild-type.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: July 4, 2023
    Assignees: YAMAGUCHI UNIVERSITY, TOYO KOHAN CO., LTD.
    Inventors: Masaaki Oka, Shoichi Hazama, Ryouichi Tsunedomi
  • Patent number: 11670398
    Abstract: It is intended to conveniently determine the pharmacokinetics of axitinib and to predict the therapeutic effect of axitinib. The present invention provides a method for determining the pharmacokinetics of axitinib, comprising the step of calculating a predicted pharmacokinetic parameter of axitinib using specific gene polymorphisms and background factors regarding a test subject.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: June 6, 2023
    Assignees: Yamaguchi University, Toyo Kohan Co., Ltd.
    Inventors: Hideyasu Matsuyama, Yoshihiko Hamamoto, Yusuke Fujita, Yoshiaki Yamamoto, Ryouichi Tsunedomi, Mitsuyoshi Oba, Hirofumi Yamano, Yukiha Ishikawa
  • Patent number: 11655364
    Abstract: [Problem] To provide a thermoplastic resin film excellent in impact resistance, formability and trimmability when forming a container, productivity, and the like, and a thermoplastic resin-coated metal sheet. [Solution] A thermoplastic resin film contains 70 to 97 wt % of a thermoplastic polyester resin component and 3 to 30 wt % of a polyolefin resin component. The polyolefin resin component contains one or more polyolefin resins selected from the group consisting of nonpolar polyolefin resins and polyolefin resins having ester-containing functional groups in side chains thereof. The polyolefin resin component is dispersed, in the thermoplastic polyester resin component, in a fibrous form having an average length of 5 to 300 ?m in a machine direction of the film, an average length of 0.2 to 5 ?m in a thickness direction of the film, and an aspect ratio of 8 or greater.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: May 23, 2023
    Assignees: TOYO SEIKAN CO., LTD., TOYO KOHAN CO., LTD.
    Inventors: Tomoyasu Takenaga, Kazuhiro Nishida, Satoshi Kawamura, Kousuke Sasaki, Shuhei Hiromori, Kenji Yanada, Mitsuhide Aihara
  • Patent number: 11637344
    Abstract: The present invention provides a nickel-plated heat-treated steel sheet for a battery can (1), having a nickel layer with a nickel amount of 4.4 to 26.7 g/m2 on a steel sheet (11), wherein when the Fe intensity and the Ni intensity are continuously measured along the depth direction from the surface of the nickel-plated heat-treated steel sheet for a battery can, by using a high frequency glow discharge optical emission spectrometric analyzer, the difference (D2-D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is less than 0.04 ?m.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: April 25, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Kota Sadaki, Koh Yoshioka
  • Publication number: 20230082193
    Abstract: It is an object to provide a substrate for epitaxial growth having a metal base material laminated with a copper layer. On a surface of the copper layer, an area occupied by crystal grains having crystal orientations other than a (200) plane present within 3 ?m from the surface can be less than 1.5%. A surface roughness along a same direction as a rolling direction per unit length of 60 ?m when measured by AFM can be Ra1<10 nm.
    Type: Application
    Filed: November 10, 2022
    Publication date: March 16, 2023
    Applicants: Toyo Kohan Co., Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Teppei Kurokawa, Yusuke Hashimoto, Hironao Okayama
  • Patent number: 11590603
    Abstract: [Problem] To provide: a roll-bonded body which is able to be suppressed in waviness in the surface; and a method for producing this roll-bonded body. [Solution] A roll-bonded body according to the present invention is obtained by bonding a first metal layer and a second metal layer with each other by means of rolling, and is characterized in that the surface of the first metal layer has an arithmetic average waviness (Wa1) 0.01-0.96 and a maximum waviness height (Wz1) of 0.2-5.0 ?m.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: February 28, 2023
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Yusuke Hashimoto, Teppei Kurokawa, Takashi Koshiro, Kota Sadaki
  • Publication number: 20230057775
    Abstract: A roughened nickel-plated sheet including a roughened nickel layer on at least one surface of a metal substrate as the outermost layer thereof, the roughened nickel layer being formed of a plurality of nickel protrusions. When the structure of the roughened nickel-plated sheet is observed at height positions with a focused ion beam scanning electron microscope (FIB-SEM), the absolute value of the change rate of the nickel occupancy is equal to or less than a predetermined value, and the nickel occupancy and the number of nickel protrusions present at a height position located 2.0 ?m from the base position of the roughened nickel layer toward the surface in the height direction are equal to or more than predetermined values, respectively.
    Type: Application
    Filed: January 22, 2021
    Publication date: February 23, 2023
    Applicant: TOYO KOHAN CO., LTD.
    Inventors: Shinichirou HORIE, Etsuro TSUTSUMI, Toshifumi KOYANAGI, Koh YOSHIOKA, Kyoto TAKANO, Shunki OBATA, Satoko HARADA, Keishi KATSURA, Misato UENO
  • Patent number: 11524486
    Abstract: It is an object to provide a method for producing a substrate for epitaxial growth having a higher degree of biaxial crystal orientation without forming an irregular part a3. The method for producing a substrate for epitaxial growth comprising a step of laminating a metal base material and a copper layer having an fcc rolling texture by surface-activated bonding, a step of applying mechanical polishing to the copper layer, and a step of carrying out orientation heat treatment of the copper layer, wherein the copper layer is laminated in such a way that, when ratios of the (200) plane of the copper layer before laminated and of the copper layer after laminated when measured by XRD are I0Cu and I0CLAD, respectively and ratios of the (220) plane of the copper layer before laminated and of the copper layer after laminated are I2Cu and I2CLAD, respectively, I0Cu<20%, I2Cu=70 to 90%, and I0CLAD<20%, I2CLAD=70 to 90% and I0CLAD?I0Cu<13%.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: December 13, 2022
    Assignees: TOYO KOHAN CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Teppei Kurokawa, Yusuke Hashimoto, Hironao Okayama