Patents Assigned to Mitsui
  • Publication number: 20210180372
    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: Application
    Filed: March 19, 2018
    Publication date: June 17, 2021
    Applicant: MITSUI KINZOKU ACT CORPORATION
    Inventors: Katsuyuki Ishiguro, Hirotaka Nishijima, Takuya Kakumae, Shintaro Okawa, Makoto Kaburaki
  • Patent number: 11034782
    Abstract: A 4-methyl-1-pentene polymer (X) wherein a content of a constitutional unit derived from 4-methyl-1-pentene is 90 to 100% by mol; a content of a constitutional unit derived from at least one olefin selected from ethylene and an ?-olefin, other than 4-methyl-1-pentene, having 3 to 20 carbon atoms is 0 to 10% by mol; and the 4-methyl-1-pentene polymer satisfies certain requirements (a) to (f): (a) a meso diad fraction (m) measured by 13C-NMR falling within a certain range; (b) a ratio of weight-average molecular weight Mw within a certain range; (c) a melt flow rate (MFR) within a certain range; (d) a cumulative weight fraction within a certain range; (e) a proportion of a polymer having a molecular weight of a certain range; and (f) a heat of fusion and a melting point of the 4-methyl-1-pentene polymer within certain ranges.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 15, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masakazu Tanaka, Toyoaki Sasaki, Tomoaki Matsugi
  • Patent number: 11034835
    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: November 29, 2016
    Date of Patent: June 15, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hidetake Nakano, Tetsuya Nakamura, Hirokazu Tanaka
  • Patent number: 11038230
    Abstract: The present invention relates to a composition, a laminate, a packaging material, a battery case packaging material, and a battery, and the composition includes: a modified olefin polymer (A) that is a modified olefin polymer, the modified olefin polymer being a polymer (a) of a C2 to C20 ?-olefin modified by a monomer (b) having a functional group reactive with an epoxy group or an oxazoline group; a crosslinking agent (B) including at least one of an epoxy compound and an oxazoline compound; and a catalyst (C) having a pKa of 11 or more, the modified olefin polymer (A) satisfying the following requirements (i) and (ii): Requirement (i): the polymer (a) contains a structural unit derived from a C4 to C20 ?-olefin, and Requirement (ii): a heat of fusion of the polymer (A), as measured according to JIS K7122, is 0 to 50 J/g.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: June 15, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yoshihito Hirota, Yuichi Itou
  • Patent number: 11034864
    Abstract: An adhesive film used when sealing an electronic component to temporarily fix the electronic component, the adhesive film including a base material layer, an adhesive resin layer which is provided on a first surface side of the base material layer and which is for temporarily fixing the electronic component, and an adhesive resin layer which is provided on a second surface side of the base material layer and of which the adhesive strength decreases according to an external stimulus, in which the adhesive resin layer includes a polyvalent carboxylic acid ester-based plasticizer and an adhesive resin, and a content of the polyvalent carboxylic acid ester-based plasticizer in the adhesive resin layer is more than or equal to 0.7 parts by mass and less than or equal to 50 parts by mass with respect to 100 parts by mass of the adhesive resin included in the adhesive resin layer.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: June 15, 2021
    Assignee: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Kouji Igarashi, Jin Kinoshita, Hiroyoshi Kurihara
  • Patent number: 11034587
    Abstract: Provided is a method of producing a zeolite film continuously and efficiently. Zeolite is formed on a surface of a support using a method including: a first step of attaching zeolite fine crystals to a surface of a support; a second step of preparing synthetic gel for growing the fine crystals; a third step of putting the support and the synthetic gel into a reactor and performing hydrothermal synthesis; and a fourth step of cleaning the support subjected to the hydrothermal synthesis, in which in the third step, multiple containers arranged to be movable in a constant-temperature apparatus are each used as the reactor, the temperature and pressure for the hydrothermal synthesis is adjusted by the temperature and pressure in the constant-temperature apparatus, and the reaction time of the hydrothermal synthesis is adjusted by setting the time from when the reactor enters the constant-temperature apparatus to when the reactor exits the constant-temperature apparatus.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: June 15, 2021
    Assignee: MITSUI E&S MACHINERY CO., LTD.
    Inventor: Kazuya Maekawa
  • Publication number: 20210171682
    Abstract: The polymerizable composition for an optical material includes an allyl carbonate compound (A) including two or more allyloxycarbonyl groups which is represented by General Formula (1); a (meth)acrylate compound (B) including two or more (meth)acryl groups which is represented by General Formula (2); at least one kind of compound (C), selected from compounds represented by General Formulas (3) to (6) and specified dyes; and a polymerization initiator (D) including at least a radical polymerization initiator (D1) and a radical polymerization initiator (D2).
    Type: Application
    Filed: December 5, 2018
    Publication date: June 10, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Shinichiro KADOWAKI, Nobuo KAWATO
  • Publication number: 20210169749
    Abstract: Provided is a curable composition that has a sufficient pot life and does not cause a significant delay in curing time even after long-term storage at room temperature or higher. A separately packed curable composition includes: (A) a first pack containing: (a1) a polymerizable monomer having no acidic group, (b) a polymerizable monomer having an acidic group, and (c) a transition metal compound; and (B) a second pack containing: (a2) a polymerizable monomer having no acidic group, (d) an aromatic amine compound, and (e) at least one compound selected from sulfinic acid and a salt thereof.
    Type: Application
    Filed: August 7, 2018
    Publication date: June 10, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takenori MITAMURA, Yoko KOSUGI
  • Publication number: 20210172993
    Abstract: A method for manufacturing electronic apparatus includes: a step (A) of preparing a structure provided with an adhesive film and one or two or more electronic components affixed to an adhesive surface of the adhesive film; a step (B) of disposing the structure in the electronic component testing apparatus such that the electronic component is positioned over an electronic component installation region of a sample stand of the electronic component testing apparatus in a defined manner; a step (C) of evaluating the properties of the electronic component in a state of being affixed to the adhesive film with the probe terminal being in contact with a terminal of the electronic component; and a step (D) of picking up the electronic component from the adhesive film after the step (C). A defined sample stand is also provided.
    Type: Application
    Filed: February 18, 2021
    Publication date: June 10, 2021
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventor: Eiji HAYASHISHITA
  • Publication number: 20210161771
    Abstract: Provided are monomers useful for dental materials that include a compound in which a core and a specific terminal group are bonded to each other directly or via a linking group, wherein the core is a C1-200 polyvalent organic group having a valence of not less than 3 containing an oxygen atom or a nitrogen atom in which an atom bonded to the terminal group or the linking group is the oxygen atom or the nitrogen atom; the terminal group is a specific (meth)acryloyl group-containing group, a (meth)acryloyl group, a C1-20 hydrocarbon group or a hydrogen atom, and the terminal group needs to meet specific requirements; and the linking group is a specific divalent group, and when the compound contains a plurality of linking groups, the linking groups may be the same as or different from each other. Compositions, dental materials and kits are also provided.
    Type: Application
    Filed: February 3, 2021
    Publication date: June 3, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoko KOSUGI, Akiko MATSUMOTO, Kazuhiko YOSHINAGA
  • Patent number: 11021083
    Abstract: A seat lock device includes: a hook member; and a cam plate. The hook member includes: a hook inclined edge surface and is rotationally biased by contact with a striker entering; an engaging groove into which the striker entering fits after crossing the hook inclined edge surface to bring the hook member into a locked position; a restraining pin; and an interlock pin, the cam plate is set to a limiting position when the hook member engages with the striker and is switched to an allowing position when the striker enters and when an operation performed to release an engagement of the striker, and the cam plate includes: a cam surface that contacts with the restraining pin to rotationally bias the hook member; and an interlock surface with which the interlock pin contacts when the hook member has turned from the locked position.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: June 1, 2021
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Katsunori Noguchi, Makoto Kondo, Hidemasa Hirakui, Junichi Shimada
  • Patent number: 11021896
    Abstract: A motor vehicle door lock device includes an engagement mechanism that engages with a striker to hold the door closed; a positioned outside a vehicle; a locking mechanism that turns an unlock state for enabling the engagement mechanism to be released based on a door-opening action of the outside handle with a locking motor as a drive source and a lock state for making releasing impossible, a control that enables an operation of the switches when an external transmitter is authenticated and cancels it when it is not authenticated; and an electric release mechanism that can release the engagement mechanism regardless of a state of the locking mechanism by releasing a releasing motor as a drive source.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: June 1, 2021
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventor: Mikio Ichinose
  • Patent number: 11020936
    Abstract: A metal/resin composite structure (106) of the invention is formed by bonding a metal member (103) and a resin member (105) to each other. A concavo-convex shape satisfying the following characteristics (i) and (ii) is formed on a bonding surface (104) of the metal member (103) to be bonded to the resin member (105). (i) A mean width of the profile elements (RSm) is equal to or greater than 150 ?m and equal to or smaller than 1500 ?m and a maximum height roughness (Rz) is equal to or greater than 170 ?m and equal to or smaller than 800 ?m (ii) A mean width of the profile elements (RSm) is equal to or greater than 100 nm and equal to or smaller than 10000 nm and a maximum height roughness (Rz) is equal to or greater than 100 nm and equal to or smaller than 10000 nm.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: June 1, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hiroshi Okumura, Masaki Misumi, Shunsaku Kubota, Goro Inoue
  • Publication number: 20210155833
    Abstract: A tackifier (B) according to the present invention comprises a copolymer (C) that comprises a structural unit derived from ?-methylstyrene or isopropenyltoluene and a structural unit derived from styrene, and the copolymer (C) satisfies the following (i) to (iii): (i) a content of the structural unit derived from ?-methylstyrene or isopropenyltoluene is in the range of 30 to 70 mol %, (ii) a softening temperature (Tm) measured by the ring-and-ball method according to JIS K 2207 is in the range of 110° C. to 170° C., and (iii) a content of a fraction having molecular weight of not more than 350, as determine by gel permeation chromatography (GPC) and calculated from polystyrene standard, is less than 1.5 mass %.
    Type: Application
    Filed: April 10, 2019
    Publication date: May 27, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hirotaka KANAYA, Yosuke TAKAHASHI, Koji MATSUNAGA, Kuniaki KAWABE
  • Publication number: 20210156175
    Abstract: A vehicle door latch apparatus has latch mechanism, powered release means, manual release means and lock mechanism that is switched between a locked state and an unlocked state. Powered release means has cam wheel that is rotated in normal and in reverse rotational directions from a reference position by motor power. When cam wheel is rotated in the normal rotational direction from the reference position, latch mechanism is released while lock mechanism is held in the locked state When cam wheel is rotated in the reverse rotational direction from the reference position, cam wheel switches lock mechanism to the unlocked state. Cam wheel returns lock mechanism to the locked state when cam wheel is rotated in the normal rotational direction back to the reference position in the unlocked state.
    Type: Application
    Filed: August 7, 2018
    Publication date: May 27, 2021
    Applicant: MITSUI KINZOKU ACT CORPORATION
    Inventors: Katsuyuki ISHIGURO, Hirotaka NISHIJIMA, Shunsuke TAMURA, Shintaro OKAWA
  • Publication number: 20210147663
    Abstract: An object of the present invention is to provide a highly heat resistant and highly rigid propylene-based polymer having unprecedentedly high stereoregularity. The propylene-based polymer of the present invention satisfies requirements (1) to (4) and preferably requirement (5): (1) an average meso chain length is 800 to 100,000; (2) a MFR is 0.5 to 1,000 g/10 minutes; (3) a ratio of Mw to Mn, Mw/Mn, as measured by GPC is 4.2 to 20; (4) when the ratio of a component which elutes at a temperature of 122° C. or more as measured by temperature rising elution fractionation (TREF) is A % by weight and the melt flow rate of the requirement (2) is B g/10 minutes, 100?A?20*EXP(?0.01*B); (5) an amount of a component soluble in n-decane at 23° C. is 0.01 to 2% by weight.
    Type: Application
    Filed: June 29, 2018
    Publication date: May 20, 2021
    Applicants: MITSUI CHEMICALS, INC., PRIME POLYMER CO., LTD.
    Inventors: Yasuhiro KAI, Naoya NODA, Kenji MICHIUE, Keita ITAKURA
  • Publication number: 20210151340
    Abstract: In order to provide a component manufacturing apparatus and a component manufacturing method that can normally chuck and fix a component holding film to a chuck table in a heated state, the present component manufacturing apparatus 1 includes a chucking and fixing means 20 that chucks and fixes a component holding film to a heated chucking surface 21a, and a preventing means 30 that prevents heat convection, occurring on the chucking surface 21a, from contacting the film. The present component manufacturing method includes a setting step of chucking and fixing the film to the heated chucking surface 21a, and the setting step includes a preventing step of preventing heat convection, occurring on the chucking surface 21a, from contacting the film.
    Type: Application
    Filed: May 30, 2018
    Publication date: May 20, 2021
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventor: Eiji HAYASHISHITA
  • Publication number: 20210138736
    Abstract: A control unit controls a position of a carrier and an irradiation unit to form a modeled object obtained by curing a photocurable composition. Here, the control unit irradiates the photocurable composition) with light from the irradiation unit to form the modeled object and a support portion which connects the carrier) and the modeled object. In addition, the control unit controls a modeling condition to make a modeling condition when modeling a joint portion of the support portion with the carrier be a condition in which the photocurable composition is easily cured rather than a modeling condition when modeling a first region, in which an area of a cross section parallel to the surface of the light transmission portion is the largest, in the modeled object.
    Type: Application
    Filed: June 5, 2019
    Publication date: May 13, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hirohisa SHIODE, Hiroshi YAMANAKA
  • Publication number: 20210137102
    Abstract: This invention relates to a liquid herbicidal composition comprising a non-aqueous solvent system, at least one sulfonylurea herbicide and at least one inorganic salt selected from the metal carbonates and metal phosphates. The invention also relates to the use of an inorganic salt selected from the metal carbonates and metal phosphates to improve chemical stabilisation of a sulfonylurea herbicide in a liquid composition comprising a non-aqueous solvent system.
    Type: Application
    Filed: December 23, 2020
    Publication date: May 13, 2021
    Applicants: Mitsui AgriScience International S.A./N.V., Battelle UK Limited
    Inventors: Oliver Egan, Andrew Goldsmith
  • Publication number: 20210139622
    Abstract: A 4-methyl-1-pentene polymer (X) wherein a content of a constitutional unit derived from 4-methyl-1-pentene is 90 to 100% by mol; a content of a constitutional unit derived from at least one olefin selected from ethylene and an ?-olefin, other than 4-methyl-1-pentene, having 3 to 20 carbon atoms is 0 to 10% by mol; and the 4-methyl-1-pentene polymer satisfies certain requirements (a) to (f): (a) a meso diad fraction (m) measured by 13C-NMR falling within a certain range; (b) a ratio of weight-average molecular weight Mw within a certain range; (c) a melt flow rate (MFR) within a certain range; (d) a cumulative weight fraction within a certain range; (e) a proportion of a polymer having a molecular weight of a certain range; and (f) a heat of fusion and a melting point of the 4-methyl-1-pentene polymer within certain ranges.
    Type: Application
    Filed: December 19, 2017
    Publication date: May 13, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masakazu TANAKA, Toyoaki SASAKI, Tomoaki MATSUGI