Patents Assigned to Mitsui
  • Patent number: 11970395
    Abstract: A rare earth phosphate particle containing a rare earth element A, where A is Sc, Y, La, Eu, Gd, Dy, Yb, or Lu, and a rare earth element B different from the element A, where B is Sc, Y, La, Eu, Gd, Dy, Yb, or Lu. The phosphate of the element A is preferably crystalline, with at least part of the element B dissolved in the phosphate of the element A in a solid state. The phosphate of the element A preferably has a xenotime or monazite crystal structure.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: April 30, 2024
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Yoshihiro Yoneda, Kazuhiko Kato
  • Patent number: 11970628
    Abstract: Provided is a fluororesin coating composition for forming a topcoat having improved non-tackiness and water and oil repellency. The fluororesin is crystalline tetrafluoroethylene and perfluoro(ethyl vinyl ether) copolymer having a perfluoro(ethyl vinyl ether) content of 8 to 20 mass % based on the total mass of the copolymer.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: April 30, 2024
    Assignees: THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
    Inventors: Daisaku Shinohara, Kazuhiko Miyagishima
  • Publication number: 20240131832
    Abstract: Provided is a method for manufacturing a laminate that is excellent in adhesion between the copper foil and the resin film while using a polyvinyl acetal resin having low reactivity with the copper foil. This method includes the steps of providing a copper foil having on at least one side a treated surface on which an amount of metal components is 30 atomic % or more and 40 atomic % or less, and attaching or forming a polyvinyl acetal resin film on the treated surface of the copper foil to form a laminate. The amount of metal components is a proportion of Cr, Ni, Cu, Zn, Mo, Co, W, and Fe in a total amount of N, O, Si, P, S, Cl, Cr, Ni, Cu, Zn, Mo, Co, W, and Fe when the treated surface is subjected to elemental analysis by X-ray photoelectron spectroscopy (XPS).
    Type: Application
    Filed: February 8, 2022
    Publication date: April 25, 2024
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Hiroto IIDA, Makoto HOSOKAWA, Misato MIZOGUCHI, Shinya HIRAOKA, Toshiyuki SHIMIZU
  • Publication number: 20240132695
    Abstract: Provided is a polyamide resin composition that, at high temperatures, suppresses reductions in tensile strength due to the addition of a copper-based heat-resistance stabilizer, and maintains a tensile strength over longer periods of time in a hot environment. The composition includes a polyamide resin and a copper-based heat-resistance stabilizer. The polyamide resin includes: a component unit (a) derived from dicarboxylic acid which is derived from an aromatic dicarboxylic acid or an alicyclic dicarboxylic acid; and greater than or equal to 10 mol % and less than 50 mol % of a component unit (b2), which is derived from 1,3-bis(aminomethyl)cyclohexane, with respect to the total number of moles of a component unit (b) derived from diamine. The content of copper included in the copper-based heat-resistance stabilizer is 0.001 parts by mass to 0.050 parts by mass, inclusive, with respect to 100 total parts by mass of the polyamide resin.
    Type: Application
    Filed: March 15, 2022
    Publication date: April 25, 2024
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Haruka DOI, Wataru MAKIGUCHI, Kohei NISHINO, Isao WASHIO
  • Patent number: 11965109
    Abstract: Provided is a composition for forming a film for semiconductor devices, including: a compound (A) including a Si—O bond and a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom; a crosslinking agent (B) which includes three or more —C(?O)OX groups (X is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms) in the molecule, in which from one to six of three or more —C(?O)OX groups are —C(?O)OH groups, and which has a weight average molecular weight of from 200 to 600; and a polar solvent (D).
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: April 23, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa Kayaba, Hirofumi Tanaka, Koji Inoue
  • Patent number: 11964447
    Abstract: An object of the present invention is to provide a laminate of an olefin-type rubber, which is non-polar or has a small polarity and which is difficult to bond with a different material, and a rubber comprising Group 15 elements, which is a different kind of rubber. The laminate according to the present invention includes a structure including, in order, an olefin-type rubber layer (A); an adhesive resin layer (B) containing at least one selected from the group consisting of an ethylene/vinyl acetate copolymer, a silane-modified ethylene/vinyl acetate copolymer, an ethylene/acrylic acid copolymer and an ionomer thereof, and an ethylene/methacrylic acid copolymer and an ionomer thereof; and a layer (C) containing a rubber containing Group 15 elements.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 23, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Yoshiharu Kikuchi, Kotaro Ichino
  • Patent number: 11965367
    Abstract: A motor-vehicle door latch device includes: a main body; a latch that engages with a striker on a vehicle body side when a door is closed, and is capable of moving from an open position to a fully-latched position; a ratchet provided with a pawl that blocks the latch from rotating to an opening direction by respectively engaging with a half-latched engagement portion and a fully-latched engagement portion of the latch; and a third latch lever that engages with a third engagement portion provided on the latch when the latch is in a third latch position between a half-latched position and the open position of the latch so that the third latch lever is capable of blocking the latch from rotating in the opening direction from the third latch position.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: April 23, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Shintaro Okawa, Takuya Kakumae
  • Patent number: 11964417
    Abstract: Provided is a melt processible fluororesin molded article with reduced metal ions after molding (eluted metal ions) and submicron size fine particles. The melt processible fluororesin molded article has an amount of eluted Ni ions (in pg/cm2) and amount of eluted Cr ions (in pg/cm2) and amount of eluted Mo ions (in pg/cm2) in a test solution after eluting for 20 hours at 60° C. using 12% nitric acid, quantitatively analyzed by the ICP (induced coupled plasma) mass analysis method, satisfy the following formula: 0.5?1?[(M1+M2)/(M1+M2+M3)]<1, wherein M1 refers to the eluted Cr ion amount (in pg/cm2), M2 refers to the eluted Mo ion amount (in pg/cm2), and M3 refers to the eluted Ni ion amount (in pg/cm2).
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: April 23, 2024
    Assignee: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
    Inventors: Hiromasa Yabe, Takahiro Nishimura
  • Publication number: 20240123707
    Abstract: Provided is a method for manufacturing a laminate that is excellent in adhesion between a copper foil and a resin film while using a polyvinyl acetal resin having low reactivity with the copper foil. This method includes the steps of providing a copper foil having a treated surface having a developed interfacial area ratio Sdr of 0.50% or more and 9.00% or less and a root mean square height Sq of 0.010 ?m or more and 0.200 ?m or less on at least one side, and attaching or forming a polyvinyl acetal resin film on the treated surface of the copper foil to form a laminate. The Sdr and Sq are values measured in accordance with ISO 25178 under conditions in which a cutoff wavelength of an S-filter is 0.55 ?m, and a cutoff wavelength of an L-filter is 10 ?m.
    Type: Application
    Filed: February 8, 2022
    Publication date: April 18, 2024
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Hiroto IIDA, Makoto HOSOKAWA, Misato MIZOGUCHI, Shinya HIRAOKA, Toshiyuki SHIMIZU
  • Publication number: 20240123722
    Abstract: Provided is a method for manufacturing a laminate that is excellent in adhesion between the copper foil and the resin film while using a polyvinyl acetal resin having low reactivity with the copper foil. This method includes the steps of providing a copper foil having on at least one side a treated surface on which an amount of nitrogen is 3.0 atomic % or more and 20.0 atomic % or less, and attaching or forming a polyvinyl acetal resin film on the treated surface of the copper foil to form a laminate. The amount of nitrogen is a proportion of N in a total amount of N, O, Si, P, S, Cl, Cr, Ni, Cu, Zn, Mo, Co, W, and Fe when the treated surface is subjected to elemental analysis by X-ray photoelectron spectroscopy (XPS).
    Type: Application
    Filed: February 8, 2022
    Publication date: April 18, 2024
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Makoto HOSOKAWA, Toshiyuki SHIMIZU
  • Publication number: 20240123716
    Abstract: A multilayer film includes a layer that includes a 4-methyl-1-pentene-based polymer, and a layer that includes a polyolefin. The layer that includes a 4-methyl-1-pentene-based polymer and the layer that includes a polyolefin contact each other at at least a portion thereof, the inter-layer adhesion strength between the layer that includes a 4-methyl-1-pentene-based polymer and the layer that includes a polyolefin is 0.5 N/15 mm or more, and a heat-seal strength of from 3 N/15 mm to 15 N/15 mm is exhibited in a case in which two of the layers that include a polyolefin are brought into contact with each other and heat-sealed at 120° C.
    Type: Application
    Filed: March 1, 2022
    Publication date: April 18, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Yoshiyuki KATAYAMA
  • Patent number: 11957906
    Abstract: This external stimulus application system is structured so as to comprise: an external stimulus unit that applies an external stimulus to a target area of a user's body; a detection unit that detects changes in a detected area of the user's body during an action of the user; a control unit that causes the external stimulus unit to produce a stimulus if a detected value detected by the detection unit satisfies a prescribed condition; and a storage unit that stores the detected value.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: April 16, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hidetoshi Tomita, Yuki Kondo, Motoyasu Yasui, Kenji Iida
  • Patent number: 11958971
    Abstract: Provided is a photocurable composition used for forming a resin layer of a concave-convex structure including a substrate and a resin layer provided on the substrate and having fine concavities and convexities formed on a surface thereof. A cured film of the photocurable composition has a surface free energy of 15 mJ/m2 to 40 mJ/m2 as measured based on the Kitazaki-Hata theory and a hardness of 0.05 GPa to 0.5 GPa as measured using a nanoindenter.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: April 16, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takashi Oda, Hisanori Ohkita, Hiroko Wachi, Shingo Yamamoto
  • Patent number: 11961771
    Abstract: There is provided a laminated sheet with which the electrical inspection of a redistribution layer formed later can be efficiently performed, while the laminated sheet is in the form of a sheet useful for the formation of a redistribution layer. This laminated sheet includes a carrier with a release function; a first electrically conductive film provided on the carrier with the release function; an insulating film provided on the first electrically conductive film; and a second electrically conductive film provided on the insulating film. The second electrically conductive film is used for formation of a redistribution layer, and the first electrically conductive film, the insulating film, and the second electrically conductive film function as a capacitor for performing electrical inspection of the redistribution layer.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: April 16, 2024
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Yoshinori Matsuura, Takenori Yanai, Rintaro Ishii
  • Publication number: 20240117169
    Abstract: A resin composition and a multilayer body that includes the resin composition layer, the resin composition being characterized by containing a propylene-based polymer (A) in the range of 5 to 70% by weight; a soft propylene-based polymer (B) in the range of 30 to 95% by weight; a propylene-based polymer (C) graft-modified with an ethylenically unsaturated monomer, in the range of 0.1 to 20% by weight; a polyethylene (D) in the range of 0 to 20% by weight; and an ethylene/?-olefin random copolymer (E) in the range of 1 to 30% by weight, provided that a total amount of (A), (B), (C), (D), and (E) is 100% by weight.
    Type: Application
    Filed: February 22, 2022
    Publication date: April 11, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Akio HAYAKAWA, Koya YOSHIMOTO
  • Publication number: 20240117100
    Abstract: A polymerizable composition comprising: an episulfide compound represented by the following Formula (1); a polyiso(thio)cyanate compound; a polythiol compound; and an epoxy compound (X) which contains one or more epoxy groups within one molecule, and which does not contain an episulfide group.
    Type: Application
    Filed: February 2, 2022
    Publication date: April 11, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Marina NUKUI
  • Publication number: 20240117164
    Abstract: An object of the present invention is to obtain a resin composition with favorable high-speed formability, low adhesiveness to chill rolls and guide rolls upon film forming, and excellent adhesiveness to a resin having a polar group (polar resin). The present invention relates to a resin composition including 75 to 100 parts by mass of a propylene-based polymer (A), and 0 to 25 parts by mass of a copolymer (B) of ethylene and at least one ?-olefin selected from ?-olefins having 3 to 20 carbon atoms, and satisfying prescribed requirements, provided that the sum of the (A) and the (B) is 100 parts by mass, wherein at least a part of the propylene-based polymer (A) is modified with a polar compound, and the resin composition satisfies prescribed requirements.
    Type: Application
    Filed: January 12, 2022
    Publication date: April 11, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Koya YOSHIMOTO, Takanori SASAKI, Yuhei IZAIKE
  • Patent number: 11951193
    Abstract: A monomer composition for a dental material including a compound represented by Formula (1). In Formula (1), X represents an n-valent organic group having from 1 to 200 carbon atoms and containing at least one selected from the group consisting of an oxygen atom and a nitrogen atom, in which the at least one selected from the group consisting of an oxygen atom and a nitrogen atom is bound to Y; and each Y represents a (meth)acryloyl group-containing group (Y1) represented by the following Formula (A), a (meth)acryloyl group (Y2), a hydrogen atom, or a hydrocarbon group having from 1 to 20 carbon atoms, with the proviso that at least one or more Y, among all Ys included in the compound represented by Formula (1), is the (meth)acryloyl group-containing group (Y1).
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: April 9, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takenori Mitamura, Yoko Kosugi
  • Patent number: 11953757
    Abstract: The eyewear according to the present invention comprise: a lens having an electrical element; a hollow temple for holding the lens; a control unit for controlling the electrical element; an electronic component electrically connected to the control unit through a wire; and a hollow member arranged inside the temple while storing the wire inside, the hollow member deforming after the deformation of an ear hook when the ear hook is deformed to make a fit.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: April 9, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akihiro Muramatsu, Masayoshi Hino
  • Patent number: 11951724
    Abstract: Disclosed are: a fiber-reinforced resin article which includes, on at least one face of a unidirectional fiber-reinforced resin sheet (UDS), a plurality of chopped sheets (CS) of a unidirectional fiber-reinforced resin sheet which is the same as or different from the abovementioned unidirectional fiber-reinforced resin sheet (UDS), wherein the ratio of the chopped sheets (CS), with respect to 100 parts by mass of the unidirectional fiber-reinforced resin sheet (UDS), is at least 40 parts by mass and no more than 100 parts by mass; a method for manufacturing a fiber-reinforced resin article, said method having a step for positioning a plurality of the chopped sheets (CS), and a step for heating and pressurizing; and a laminate including the fiber-reinforced resin article and a foam layer.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: April 9, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kazuaki Kikuchi, Takeharu Isaki