Patents Assigned to Mitsui
  • Publication number: 20240328779
    Abstract: A method for measuring a surface parameter of copper foil exhibiting high correlation with high frequency characteristics, the method for measuring a surface parameter of copper foil including: (a) acquiring a surface profile on at least one surface of an untreated copper foil; (b) setting a cutoff value for an L filter based on the surface profile; (c) acquiring a surface profile on at least one surface of surface-treated copper foil originating from the untreated copper foil; (d) subjecting the surface profile of the surface-treated copper foil to filter processing, the filter processing including processing using an L filter with the cutoff value; and (e) calculating at least one of surface parameters defined by ISO25178 on the surface of the surface-treated copper foil based on the surface profile after the filter processing.
    Type: Application
    Filed: December 22, 2021
    Publication date: October 3, 2024
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Hiroaki KURIHARA, Takeshi IWASE
  • Patent number: 12103272
    Abstract: An aspect of the present invention is a resin composition for a laminated glass interlayer used for forming a laminated glass interlayer. The resin composition for a laminated glass interlayer includes an ionomer (A) of an ethylene-unsaturated carboxylic acid-based copolymer, and an inorganic filler (B). The volume-based cumulative 10% diameter (D10) of the inorganic filler (B) as measured by a laser diffraction scattering method is equal to or more than 0.1 ?m and equal to or less than 10 ?m.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: October 1, 2024
    Assignee: DOW-MITSUI POLYCHECMICALS CO., LTD.
    Inventors: Motoaki Isokawa, Norihiko Sato, Kana Kukita, Shun Tobinaga
  • Patent number: 12104265
    Abstract: Provided is a roughened copper foil capable of achieving both excellent transmission characteristics and suppression of powdering. This roughened copper foil includes a roughened surface on at least one side. The roughened surface has a roughness slope tan ? of 0.58 or less as calculated based on a mean height Rc (?m) and a mean width RSm (?m) of profile elements by formula Rc/(0.5×RSm), and a sharpness index Rc×Sku of 2.35 or less that is a product of the mean height Rc (?m) and a kurtosis Sku. Rc and RSm are values measured in accordance with JIS B0601-2013 under a condition of not performing a cutoff by a cutoff value ?s and a cutoff value ?c, and Sku is a value measured in accordance with ISO 25178 under a condition of not performing a cutoff using an S filter and an L filter.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 1, 2024
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Ayumu Tateoka, Tsubasa Kato, Shota Kawaguchi, Po Chun Yang
  • Patent number: 12103288
    Abstract: Described is an affixing apparatus capable of flattening a surface of a film affixed to a main surface of a plate-shaped body. An affixing apparatus for affixing the film to the plate-shaped body includes: a plate-shaped mounting member provided with a mounting portion on which the plate-shaped body is mounted; a plate-shaped pressing member installed at a position facing the mounting member; and a support member installed at an outer edge of the mounting portion so as to be positioned between the mounting member and the pressing member.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 1, 2024
    Assignee: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Masao Nogami, Akimitsu Morimoto
  • Patent number: 12106974
    Abstract: A method for manufacturing an electronic device includes at least a preparing step of preparing a structure provided with an adhesive film provided with a base material layer, an adhesive resin layer (A) provided on a first surface side of the base material layer, an adhesive resin layer (B) provided on a second surface side of the base material layer and in which an adhesive force is reduced by external stimuli, and an unevenness-absorbing resin layer (C) provided between the base material layer and the adhesive resin layer (A) or between the base material layer and the adhesive resin layer (B), an electronic component attached to the adhesive resin layer (A) of the adhesive film and having an uneven structure, and a support substrate attached to the adhesive resin layer (B) of the adhesive film; and a sealing step of sealing the electronic component with a sealing material.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: October 1, 2024
    Assignee: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Toru Miura, Hiroyoshi Kurihara
  • Patent number: 12102709
    Abstract: One aspect of the present invention provides an anti-obesity agent, an anti-dementia agent, a deodorant, an anti-aging agent, an anti-glycation agent, an anti-type I allergy agent, a hypotensive agent, a flavor improving agent, a muscle enhancing agent, and a bone metabolism improving agent which contain a bagasse decomposition extract as an active ingredient.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: October 1, 2024
    Assignee: Mitsui Sugar Co., Ltd.
    Inventors: Toma Furuta, Masami Mizu, Kiyoaki Miyasaka
  • Publication number: 20240318095
    Abstract: A viscosity modifier for lubricating oil, including an (C) ethylene-?-olefin copolymer having an ethylene molar content rate within a range of 30 to 70 mol %, a rotational viscosity at 150° C. of 300 to 8,000 mPa's, a Hasen chromaticity of 30 or lower, a molecular weight distribution (Mw/Mn) of 2.5 or less, and a B value of 1.1 or more; a lubricating oil composition with a lubricating oil base oil including a (A) mineral oil having a kinematic viscosity at 40° C. of 10 to 100 mm2/s, a viscosity index of 90 or more, and a pour point of 0° C. or lower and/or a (B) synthetic oil having a kinematic viscosity at 40° C. of 4 to 100 mm2/s, a viscosity index of 90 or more and a pour point of ?30° C. or lower; and the viscosity modifier having has a kinematic viscosity at 40° C. of 28 to 170 mm2/s.
    Type: Application
    Filed: July 15, 2022
    Publication date: September 26, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shota ABE, Hirotaka KANAYA
  • Publication number: 20240322658
    Abstract: A manufacturing method for a laminated iron core, the manufacturing method includes: a punching process of punching a metal sheet to form a plurality of punched members including a first punched member and a second punched member; and a laminating process of forming a laminated body by laminating the plurality of punched members while changing a rotational lamination angle each time one or more punched members are laminated. In the laminating process, the plurality of punched members are laminated such that the rotational lamination angle is the same between the first punched member and the second punched member adjacent to each other in a boundary portion between two or more of the first punched members that are continuously laminated and two or more of the second punched members that are continuously laminated.
    Type: Application
    Filed: March 13, 2024
    Publication date: September 26, 2024
    Applicant: MITSUI HIGH-TEC, INC.
    Inventors: Yasunari MITSUI, Yusuke HASUO, Shinichiro ONO
  • Patent number: 12100799
    Abstract: A solid electrolyte contains aluminum in an amount of 100 to 1000 ppm, inclusive, on a mass basis, and has lithium ion conductivity. It is preferable that aluminum is derived from an oxide of aluminum. It is also preferable that the solid electrolyte is a sulfide solid electrolyte containing a lithium element, a phosphorus element, and a sulfur element. It is also preferable that the solid electrolyte has an argyrodite-type crystal structure. It is also preferable that the solid electrolyte has a lithium ion conductivity of 4.0 mS/cm or greater.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: September 24, 2024
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Taizo Morinaka, Shigeki Nakayama
  • Patent number: 12098236
    Abstract: A monomer composition, including: an acidic phosphoric acid ester (A); an amine-based catalyst (B); and a (meth)acrylate (E) having at least one of a urethane bond or a —NHC(?S)O— bond.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: September 24, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Naoyuki Kakinuma
  • Publication number: 20240308957
    Abstract: A polythiol composition, comprising a polythiol compound, wherein: the polythiol composition comprises a compound C1 that has a retention time of from 32.0 minutes to 35.0 minutes in a high-performance liquid chromatography measurement performed under a specific measurement conditions A, and in the high-performance liquid chromatography measurement, the compound C1 has a peak area of 0.50 or more with respect to a total peak area of 100 of compounds contained in the polythiol composition.
    Type: Application
    Filed: July 28, 2022
    Publication date: September 19, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shotaro NAKANO, Masakazu MURAKAMI
  • Publication number: 20240313624
    Abstract: A laminated iron core includes a laminated body including a plurality of laminated metal sheets. The laminated body includes a welded portion where an endmost metal sheet located at an endmost position in a lamination direction and the metal sheet in contact with the endmost metal sheet are welded. A welding end of the welded portion is in contact with at least one endmost metal sheet.
    Type: Application
    Filed: March 12, 2024
    Publication date: September 19, 2024
    Applicant: MITSUI HIGH-TEC, INC.
    Inventors: Go KATO, Yasutaka OHBA, Yuki TOKIMOTO, Tetsuya HIRAKAWA
  • Publication number: 20240308755
    Abstract: A multilayer body includes two or more lamination units, each of which includes a sheet containing a 4-methyl-1-pentene-based polymer, and a release layer that is disposed on at least one surface of the sheet, the sheet preferably has at least one or more temperatures showing a local maximum value of a loss tangent (tan ?), which is obtained by dynamic viscoelasticity measurement under conditions of a temperature rising rate of 4° C./min, a frequency of 1.59 Hz, and a strain amount of 0.1%, in a range of 10° C. or higher and 100° C. or lower, the local maximum value of the loss tangent is preferably 0.5 or more and 3.5 or less, and both surfaces of the release layer preferably have a static friction coefficient of 0.2 or more with respect to the sheet.
    Type: Application
    Filed: March 22, 2021
    Publication date: September 19, 2024
    Applicant: Mitsui Fine Chemicals, Inc.
    Inventors: Satoshi NOMA, Tomoya MATAYOSHI, Takayuki WATANABE
  • Publication number: 20240312848
    Abstract: A component manufacturing method includes: a step of arranging a plurality of electronic components in a state where electrodes are exposed, on a support having a substrate and a holding layer, with the holding layer interposed therebetween; and a step of evaluating electric characteristics of 80 or more of the electronic components among the electronic components arranged on the support by bringing all or some of the exposed electrodes and probes into contact with each other and simultaneously performing conduction evaluation. A component manufacturing film includes a resin base layer, the holding layer provided on one surface side of the resin base layer, and a joint layer that is provided on an opposite side of the resin base layer and bonds the component manufacturing film to the substrate. A component manufacturing tool includes the substrate and the holding layer provided to one surface of the substrate.
    Type: Application
    Filed: February 10, 2022
    Publication date: September 19, 2024
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventor: Eiji HAYASHISHITA
  • Patent number: 12091536
    Abstract: A resin composition including a 4-methyl-1-pentene copolymer (A) that satisfies particular requirements and a 4-methyl-1-pentene copolymer (B) that satisfies particular requirements, in which the content of the copolymer (A) is 10 to 95 parts by mass and the content of the copolymer (B) is 90 to 5 parts by mass with respect to 100 parts by mass of the total content of the copolymers (A) and (B).
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: September 17, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hisanori Hashimoto, Masahiko Okamoto, Makoto Nakano, Toyoaki Sasaki, Masakazu Tanaka
  • Patent number: 12095037
    Abstract: A non-aqueous electrolyte solution for a battery, includes: an additive A which is at least one selected from the group consisting of compounds represented by the following Formula (A); an additive B which is at least one selected from the group consisting of lithium monofluorophosphate and lithium difluorophosphate; and an additive C which is at least one selected from the group consisting of compounds containing a sulfur-oxygen bond. In Formula (A), R1 represents a fluorine atom, or a fluorinated hydrocarbon group having from 1 to 6 carbon atoms; and each of R2 to R4 independently represents a hydrogen atom, a fluorine atom, a hydrocarbon group having from 1 to 6 carbon atoms, or a fluorinated hydrocarbon group having from 1 to 6 carbon atoms.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: September 17, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kei Sugawara, Satoko Fujiyama, Hitoshi Onishi
  • Patent number: 12091889
    Abstract: A motor-vehicle door latch device includes an engagement mechanism including a latch and a ratchet, a base plate fixed to a body housing the engagement mechanism, a casing fixed to the base plate such that a first side surface faces a side surface on a vehicle-exterior side of the base plate, a releasing mechanism including a releasing lever, a locking/unlocking mechanism enabling the ratchet to disengage from the latch and vice versa, an electric mechanism including a locking/unlocking motor and a releasing motor, and a closure mechanism rotating the latch from a half-latched position to a fully-latched position, wherein all members forming the releasing mechanism, the locking/unlocking mechanism, and the electric mechanism are arranged on a second side surface opposite the first side surface of the casing, and all members forming the closure mechanism are arranged between the first side surface of the casing and the base plate.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: September 17, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Naoki Hanaki, Shuntaro Kimura
  • Patent number: 12094660
    Abstract: A multilayer capacitor includes a laminate having a first side surface and a second side surface, a first side covering portion covering the first side surface, and a second side covering portion covering the second side surface. The laminate includes first conductor layers, second conductor layers, dielectric layers and insulating layers laminated in the z direction. Each first conductor layer is connected to the first side covering portion and spaced apart from the second side covering portion. Each second conductor layer is connected to the second side covering portion and spaced apart from the first side covering portion. The insulating layers have a lower dielectric strength than the dielectric layers. Each dielectric layer is sandwiched between a first conductor layer and a second conductor layer. The insulating layers include one sandwiched between two first conductor layers and one sandwiched between two second conductor layers.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: September 17, 2024
    Assignees: ROHM CO., LTD., MITSUI MINING & SMELTING CO., LTD., SATOSEN CO., LTD.
    Inventors: Yuta Okawauchi, Yasuo Kanetake, Yuji Kageyama, Katsuyuki Takahashi
  • Publication number: 20240306356
    Abstract: Provided is an electromagnetic wave absorbing thermally conductive material which contains a thermoplastic resin, a high-magnetic-permeability metal, and carbon nanotubes.
    Type: Application
    Filed: February 22, 2022
    Publication date: September 12, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Jiacheng HE, Hiroaki YOSHII, Hirokazu TANAKA
  • Publication number: 20240301339
    Abstract: Provided is a culture material and a culture tool, which allow to culture, cells, etc. to form a spheroid. A culture material for culturing cells, a tissue, or an organ on a culture surface thereof, the culture material containing a 4-methyl-1-pentene polymer (X), having a water contact angle of the culture surface of more than 100° and 160° or less, and having an oxygen permeability at a temperature of 23° C. and humidity of 0% of 4500 to 90000 cm3/(m2×24 h×atm).
    Type: Application
    Filed: December 6, 2021
    Publication date: September 12, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Katsuhiro ESASHIKA, Hiroshi MIYASAKO, Takashi KOZEKI, Koh AMANO, Yoshinobu SAIJO, Hisaaki YANAI