Patents Assigned to Mitsui
  • Laminate for battery
    Patent number: 11685843
    Abstract: A laminate for a battery with a polypropylene adhesive layer and a metal substrate layer: (1) the adhesive includes 40-94 wt % of a propylene copolymer (A), 3-30 wt % of a butene-containing copolymer (B), 3-30 wt % of an ethylene-?-olefin copolymer (C) ((A), (B), and (C) is 100 wt %), (2) the copolymer (A) has a melting point of 130° C. or more measured with a differential scanning calorimeter, and a total proportion of a structural unit derived from ethylene is 4-25 mol % relative to 100 mol % of a total structural units forming all the copolymers (A) contained in the adhesive, (3) the copolymer (B) includes less than 1 mol % of a structural unit derived from ethylene, and has a melting point of 100° C. or less measured with a differential scanning calorimeter, and (4) the copolymer (C) includes 50-99 mol % of a structural unit derived from ethylene.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: June 27, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takahiro Maeda, Yoshiyuki Ogawa
  • Trihydroxybenzene production method
    Patent number: 11685704
    Abstract: A method of producing THB with improved efficiency is provided. Provided is a method of producing trihydroxybenzene (THB), the method comprising a step of heating a bacterial culture liquid comprising deoxy-scyllo-inosose (DOI) at a high temperature of no lower than 80° C. to obtain a product solution comprising trihydroxybenzene (THB).
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 27, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Osamu Yoshikawa, Masaki Yabe, Mitsufumi Wada, Yusuke Ito, Hideki Ouchi
  • SELF-ADHESIVE SHEET
    Publication number: 20230193087
    Abstract: Provided is a self-adhesive sheet including a 4-methyl-1-pentene-based polymer. In the self-adhesive sheet, it is preferable that 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%, are present in a range of 10° C. or higher and 100° C. or lower, the local maximum value of the loss tangent is 0.5 or more and 3.5 or less, an arithmetic average roughness Ra on one surface of the self-adhesive sheet is in a range of 0.01 to 10 µm, and a ten-point average roughness Rz is in a range of 0.1 to 50 µm.
    Type: Application
    Filed: March 18, 2021
    Publication date: June 22, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shigeo NISHIKAWA, Syuji TAHARA, Tsunetoshi SHINADA, Takeshi UEDA
  • DENTURE BASE AND METHOD OF MANUFACTURING SAME, ARTIFICIAL TOOTH AND METHOD OF MANUFACTURING SAME, AND DENTURE AND METHOD OF MANUFACTURING SAME
    Publication number: 20230190426
    Abstract: Provided is a denture base that includes a base portion; a socket that is demarcated by a step portion from a gingival area of the base portion and to which an artificial tooth is to be attached; and interdental papilla areas of the gingival area, which are positioned at both ends of the socket along a tooth row, wherein, in a state in which the socket is facing upward, a basal surface of the socket has a ridge-shaped socket apex portion configured by a surface that is convex overall, a peripheral area of the basal surface is in mutually continuous abutment with the step portion, and the socket apex portion is positioned at substantially the same height as, or higher than, apex portions of the interdental papilla areas that are seen from a labial side in a state in which the artificial tooth is attached to the socket.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Maho Okumura, Ayumi Koiso
  • PELLICLE FILM FOR PHOTOLITHOGRAPHY, PELLICLE, PHOTOLITHOGRAPHY MASK, PHOTOLITHOGRAPHY SYSTEM, AND METHOD OF PRODUCING PELLICLE FILM FOR PHOTOLITHOGRAPHY
    Publication number: 20230194977
    Abstract: A pellicle film for photolithography including a carbon nanotube film, in which the carbon nanotube film contains carbon nanotubes; the carbon nanotube film transmits 80% or more of EUV light at a wavelength of 13.5 nm; the carbon nanotube film has a thickness from 1 nm to 50 nm; the carbon nanotube film is deposited on a silicon substrate, in which the 3? of the reflectance is 15% or less when the reflectance of the deposited carbon nanotube film is measured using a reflectance spectrophotometer-based film thickness meter under the following conditions: the diameter of measurement spots, 20 ?m; the reference measurement wavelength, 285 nm; the number of measurement spots, 121 spots; the distance between the centers of adjacent measurement spots, 40 ?m.
    Type: Application
    Filed: April 2, 2021
    Publication date: June 22, 2023
    Applicants: MITSUI CHEMICALS, INC., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Yousuke ONO, Hisako ISHIKAWA, Ryohei OGAWA, Atsushi OKUBO, Kazuo KOHMURA, Atsuko SEKIGUCHI, Yuichi KATO, Takeo YAMADA, Ying ZHOU
  • Polyamide resin composition with high fluidity
    Patent number: 11680165
    Abstract: Disclosed is a polyamide resin composition including 50% to 99% by mass of a polyamide (P) and 1% to 50% by mass of an acid-modified polyolefin (Q) satisfying the following requirements (1) to (3). (1) A melt flow rate (MFR) as measured at 230° C. under a load of 2.16 kg is 50 to 200 (g/10 min). (2) An acid modification amount is 0.1% to 2.0% by mass. (3) The acid-modified polyolefin (Q) includes a modified product (q1) of an elastomer including 10% to 95% by mole of an ethylene-derived skeleton unit, 0% to 80% by mole of a propylene-derived skeleton unit, and 3% to 40% by mole of a skeleton unit derived from an ?-olefin having 4 to 8 carbon atoms (with a total amount of the ethylene-derived skeleton unit, the propylene-derived skeleton unit, and the skeleton unit derived from an ?-olefin being 100% by mole), the elastomer being modified by maleic acid or an anhydride thereof.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: June 20, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hidetake Nakano, Tetsuya Nakamura, Hirokazu Tanaka
  • Package body for ceramic separation membrane and packaged item
    Patent number: 11679910
    Abstract: Provided is a package body for ceramic separation membranes, comprising: a packaging box which stores a plurality of ceramic separation membranes in parallel in a width direction and a height direction; and a plurality of partition packs, wherein each of the partition packs has a thickness equal to or larger than a thickness of each of the ceramic separation membranes, and has a plurality of storing parts, with intervals therebetween in the width direction, which are through holes of a size including a projection shape of the ceramic separation membrane, and the packaging box stores at least two kinds of the partition packs stacked in the height direction with the plurality of storing parts arranged in the width direction in a staggered manner.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: June 20, 2023
    Assignee: MITSUI E&S MACHINERY CO., LTD.
    Inventor: Junji Hisanaga
  • MATERIAL FOR FORMING UNDERLAYER FILM, RESIST UNDERLAYER FILM, METHOD OF PRODUCING RESIST UNDERLAYER FILM, AND LAMINATE
    Publication number: 20230185195
    Abstract: A material for forming an underlayer film according to the present invention is a material for forming an underlayer film which is used to form a resist underlayer film used in a multi-layer resist process, the material including a cyclic olefin polymer which has a repeating structural unit [A] represented by Formula (1) and a repeating structural unit [B] represented by Formula (2), in which a molar ratio [A]/[B] of the structural unit [A] to the structural unit [B] in the cyclic olefin polymer is greater than or equal to 5/95 and less than or equal to 95/5.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 15, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Koji INOUE, Takashi ODA, Keisuke KAWASHIMA
  • Vehicle door latch apparatus
    Patent number: 11674341
    Abstract: A vehicle door latch apparatus has a latch that is engaged with a striker; a ratchet member rotatably supported by a ratchet shaft and that has a pawl portion, wherein the pawl portion is movable between a latch engaging position, where the pawl portion can face a full latch engaging portion of the latch, and a latch releasing position, where the pawl portion is not in contact with the full latch engaging portion, wherein release component force is generated in a latch releasing direction when latch return force is applied in a releasing direction at the latch engaging position, and the ratchet member is pushed out from the latch engaging position to the latch releasing position by the release component force; a ratchet restraint that is arranged on a side of the ratchet member and that can be moved about a pin between a block position and a release position.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: June 13, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Katsuyuki Ishiguro, Hirotaka Nishijima, Takuya Kakumae, Shintaro Okawa, Makoto Kaburaki
  • Polyamide resin composition, molded body thereof, and method for manufacturing laser-welded body
    Patent number: 11673341
    Abstract: This polyamide resin composition contains: 30-89.9 parts by mass of a polyamide resin (A) having a melting point of at least 300° C.; 0-45 parts by mass of a polyamide resin (B) having substantially no melting point; 0.1-5 parts by mass of a light-transmitting pigment (C); and 10-55 parts by mass of a fibrous filler (D) (the total amount of (A), (B), (C), and (D) is 100 parts by mass). The polyamide resin (A) contains at least a terephthalic acid-derived component unit. In a molded body of the polyamide resin composition, the corrected heat of fusion (?HR) is 10-70 J/g, and the transmittance of laser light having a wavelength of 940 nm is at least 15% at a thickness of 1.6 mm.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: June 13, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kohei Nishino, Yohei Hotani, Isao Washio
  • VEHICLE ACCIDENT PREDICTION SYSTEM, VEHICLE ACCIDENT PREDICTION METHOD, VEHICLE ACCIDENT PREDICTION PROGRAM, AND LEARNED MODEL CREATION SYSTEM
    Publication number: 20230177959
    Abstract: A vehicle accident prediction system, a vehicle accident prediction method, a vehicle accident prediction program, and a learned model creation system obtain a training data set containing feature group data, which includes a first feature representing an attribute of a driver of a vehicle, a second feature representing a state of the vehicle, and a third feature combining a plurality of second features, and accident data relating to an accident of the vehicle, create, through learning, a learned model that predicts an accident of the vehicle from the feature group data using a plurality of the obtained training data sets, input the feature group data that is to be a prediction target, and predict an accident of the vehicle from the input feature group data using the created learned model.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 8, 2023
    Applicants: Yazaki Corporation, MITSUI SUMITOMO INSURANCE CO., LTD.
    Inventors: Takumi UTSUGI, Hideyuki Zushi, Hajime Shimatani, Yukinobu Mukaida, Junji Tanaka, Kenichi Hagiya, Yutaka Matsui, Ryosuke Nakahata, Naoya Takahashi, Masaki Kubota
  • Double-sided copper-clad laminate
    Patent number: 11670455
    Abstract: There is provided a double-sided copper-clad laminate for forming a capacitor that can exhibit excellent properties in voltage endurance and peel strength, while ensuring high capacitor capacity, when used as a capacitor. This double-sided copper-clad laminate includes an adhesive layer and a copper foil in order on each of both surfaces of a resin film, the resin film is in a cured state at 25° C., and each of the copper foils has a maximum peak height Sp of 0.05 ?m or more and 3.3 ?m or less as measured in accordance with ISO 25178 on a surface on a side being in contact with the adhesive layer.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: June 6, 2023
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Ryuji Ishizuka, Yoshihiro Yoneda, Toshihiro Hosoi, Yuji Kageyama
  • METAL-RESIN COMPLEX, COOLING DEVICE, METHOD FOR MANUFACTURING METAL-RESIN COMPLEX, AND SAFETY VALVE STRUCTURE
    Publication number: 20230168050
    Abstract: A metal-resin complex, comprising a space surrounded by a metal component and a resin component, the resin component comprising at least one fragile portion.
    Type: Application
    Filed: June 8, 2021
    Publication date: June 1, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Mizue KURIYAGAWA, Kazuki KIMURA
  • XYLYLENE DIISOCYANATE-CONTAINING CONTAINER, METHOD FOR STORING XYLYLENE DIISOCYANATE, AND METHOD FOR TRANSPORTING XYLYLENE DIISOCYANATE
    Publication number: 20230166883
    Abstract: In a xylylene diisocyanate-containing container including a xylylene diisocyanate and a container accommodating the xylylene diisocyanate, a resin layer is provided on an inner surface of a container.
    Type: Application
    Filed: June 14, 2021
    Publication date: June 1, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Yasuaki SATO, Mai SHIRAI
  • Door lock device pair
    Patent number: 11661770
    Abstract: A door lock device pair includes right and left door lock devices; each of the door lock devices including: a housing; a coupler wall projecting from the housing; a flat portion formed on the housing; and a waterproof seal fixed to the flat portion and being wrapped around the coupler wall, the waterproof seal including: inner and outer peripheral surfaces; and an inclined surface that forms an acute angle with respect to the inner peripheral surface and an obtuse angle at another end of the inclined surface, the inner peripheral surface being in contact with the outer peripheral wall and being in contact with the inclined surface, and the waterproof seals in the door lock devices having the same shape, and the waterproof seals being wrapped around the respective outer peripheral walls in the same direction.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: May 30, 2023
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Yosuke Matsuda, Takao Taga, Shuntaro Kimura, Akiya Okuda
  • THREE-DIMENSIONAL MODELING APPARATUS, CONTROL APPARATUS, AND METHOD FOR MANUFACTURING MODELED OBJECT
    Publication number: 20230158748
    Abstract: A three-dimensional modeling apparatus includes a container, a carrier, and a blower unit. The container accommodates a curable composition. The carrier is configured to face an inner surface of the container and to have a variable distance with respect to the inner surface. The blower unit performs blowing between the carrier and the container. Further, in a case where the curable composition is cured in the container, the modeled object and the support portion, which connects the carrier and the modeled object, are formed. A wind from the blower unit is at least temporarily output toward at least one of the modeled object and the support portion.
    Type: Application
    Filed: January 10, 2023
    Publication date: May 25, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hirohisa SHIODE, Hiroshi YAMANAKA
  • Multilayer Structure, Method for Producing Same, Sheet for Preventing Diffusion of Hazardous Substances, Landfill Geomembrane, and Multilayer Pipe
    Publication number: 20230158785
    Abstract: Provided are: a multilayer structure having a strong initial interlayer adhesive force, with a decrease of the interlayer adhesive force being prevented even in a case of use in a harsh environment such as exposure to hot water, an acid, or an alkali for a long period of time; a method for producing such a multilayer structure; and a sheet for preventing diffusion of hazardous substances, a landfill geomembrane, and a multilayer pipe, each including such a multilayer structure.
    Type: Application
    Filed: April 13, 2021
    Publication date: May 25, 2023
    Applicants: KURARAY CO., LTD., MITSUI CHEMICALS, INC.
    Inventors: Kazuhira Hata, Tatsuya Oshita, Ryohei Shiga
  • CYCLIC OLEFIN-BASED COPOLYMER, CYCLIC OLEFIN-BASED COPOLYMER COMPOSITION, MOLDED ARTICLE, AND MEDICAL CONTAINER
    Publication number: 20230159684
    Abstract: Described is a cyclic olefin-based copolymer has a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring. Also described is a medical container containing a cyclic olefin-based copolymer having a constitutional unit (A) derived from an ?-olefin having 2 to 20 carbon atoms, a constitutional unit (B) derived from a cyclic olefin without an aromatic ring, and a constitutional unit (C) derived from a cyclic olefin having an aromatic ring.
    Type: Application
    Filed: January 23, 2023
    Publication date: May 25, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hideki WASA, Haruka SAITO, Sunil Krzysztof MOORTHI, Futoshi FUJIMURA, Masahiko OKAMOTO, Emi ONIKI, Kouichi KIZU, Jiacheng HE
  • Lubricating oil compositions and lubricating oil viscosity modifiers
    Patent number: 11655428
    Abstract: A lubricating oil composition includes an ethylene/?-olefin copolymer (A) having 70 to 90 mole % of structural units derived from ethylene and an intrinsic viscosity [?] of 0.3 to 1.0 dl/g.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: May 23, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Akio Hayakawa, Akihiro Udagawa, Noriko Kai, Yuji Tokunaga
  • Method for manufacturing modified aluminosilicate, modified aluminosilicate, and method for manufacturing aromatic dihydroxy compound using the same
    Patent number: 11654426
    Abstract: The method for manufacturing a modified aluminosilicate includes a first step of treating an aluminosilicate with an acid, a second step of primarily calcining the treated material obtained in the first step at 550° C. to 850° C., and a third step of contacting the calcined material obtained in the second step with a liquid containing one or more Group 4 elements and/or Group 5 elements, and then drying and secondarily calcining the resultant. The modified aluminosilicate includes one or more Group 4 elements and/or Group 5 elements, and exhibits an absorbance at 300 nm in an ultraviolet visible spectrum of 1.0 or higher. The method for manufacturing aromatic dihydroxy compounds includes reacting a phenol with hydrogen peroxide in the presence of a specific modified aluminosilicate.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 23, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yoshiya Matsukawa, Nobuhiko Horiuchi, Akihiro Okabe, Yoshihiro Kubota, Satoshi Inagaki