Patents Assigned to Mitsui
  • Publication number: 20170077501
    Abstract: A negative electrode for a lithium-ion secondary cell, the negative electrode including a layered body of a collector and a negative electrode active material layer containing an alloy-based material (A) containing silicon or tin as a constituent element, a carbon coating (C) that covers the surface of the alloy-based material (A), carbon particles (B), and a binder (D), wherein the negative electrode for a lithium-ion secondary cell is characterized in that the total pore volume and average pore diameter of the carbon particles (B), as measured by nitrogen gas adsorption, satisfy the ranges of 1.0×10?2 to 1.0×10?1 cm3/g and 20 to 50 nm, respectively. The negative electrode for a lithium-ion secondary cell, and a lithium-ion secondary cell in which such a negative electrode for a lithium-ion secondary cell is used, have a high capacity and excellent cycle characteristics.
    Type: Application
    Filed: February 2, 2015
    Publication date: March 16, 2017
    Applicants: MITSUI CHEMICALS, INC., SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Katsunori NISHIURA, Masaki SARUYAMA, Yoshihiro SAKATA, Hitoshi ONISHI
  • Patent number: 9595719
    Abstract: A composite metal foil is provided comprising a porous metal foil comprising a two-dimensional network structure composed of a metal fiber, and a primer provided on at least a part of the interior and/or periphery of pores of the porous metal foil. According to the present invention, it is possible to obtain a composite metal foil which has a desired function imparted by a primer in addition to superior properties derived from a porous metal foil, in a highly productive and cost effective manner that is suited for continuous production.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: March 14, 2017
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Tetsuhiro Matsunaga, Hajime Watanabe, Joe Nishikawa
  • Patent number: 9593175
    Abstract: Provided are a solid titanium catalyst component for ethylene polymerization which can polymerize ethylene at a high activity and which can provide an ethylene polymer having an excellent particle property, an ethylene polymerization catalyst and an ethylene polymerization method in which the catalyst is used. The solid titanium catalyst component (I) for ethylene polymerization according to the present invention is obtained by bringing a liquid magnesium compound (A) including a magnesium compound, an electron donor (a) having 1 to 5 carbon atoms and an electron donor (b) having 6 to 30 carbon atoms into contact with a liquid titanium compound (C) under the presence of an electron donor (B) and includes titanium, magnesium and a halogen. The ethylene polymerization catalyst of the present invention includes the component (I) and an organic metal compound catalyst component (II).
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: March 14, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kazuhisa Matsunaga, Hideki Yamamoto, Kunio Yamamoto, Tetsunori Shinozaki, Kiyoshi Takahashi
  • Patent number: 9594321
    Abstract: A binder resin for toner includes a carboxy group-containing vinyl resin (C), a glycidyl group-containing vinyl resin (E), a reactant thereof, and a fatty acid metal salt (M), in which the carboxy group-containing vinyl resin (C) includes a high molecular weight vinyl resin (H) having a peak in a region in which the molecular weight is equal to or more than 2.5×104 and equal to or less than 1.2×106 in the molecular weight distribution of a THF soluble content and a low molecular weight vinyl resin (L) having a peak in a region in which the molecular weight is equal to or more than 2×103 and equal to or less than 2×104 in the molecular weight distribution of a THF soluble content. The reactant of the carboxy group-containing vinyl resin (C) and the glycidyl group-containing vinyl resin (E) is formed in the presence of the fatty acid metal salt (M).
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: March 14, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hiroshi Matsuoka, Hiroyuki Takei
  • Patent number: 9593176
    Abstract: The present invention provides a process for producing an ?-olefin polymer comprising polymerizing or copolymerizing (a) C3 or higher ?-olefin (s) in the presence of an olefin polymerization catalyst comprising solid titanium catalyst component (I) containing titanium, magnesium, halogen, and a compound with a specific structure having two or more ether linkages and organometallic catalyst component (II) with high catalytic activity. In this process, particularly even in (co)polymerizing (a) higher olefin(s), demineralization is unnecessary. A 4-methyl-1-pentene-based polymer obtained by polymerization using the catalyst of the present invention is excellent in tacticity, transparency, heat resistance, and releasability, and the polymer is particularly suitable for a release film.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: March 14, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Tooru Tanaka
  • Patent number: 9595630
    Abstract: An encapsulating material for solar cell containing an ethylene/?-olefin copolymer satisfying the following a1) and a2), and a specific peroxyketal having a 1-hour half-life temperature in a range of 100 to 135 degrees centigrade; the peroxyketal being contained in an amount of 0.1 to less than 0.8 weight parts relative to 100 weight parts of the ethylene/?-olefin copolymer. a1) the shore A hardness is from 60 to 85 as measured in accordance with ASTM D2240. a2) MFR is from 2 to 50 g/10 minutes as measured under the conditions of a temperature of 190 degrees centigrade and a load of 2.16 kg in accordance with ASTM D1238.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: March 14, 2017
    Assignee: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Shigenobu Ikenaga, Fumito Takeuchi, Keiji Watanabe, Tomoaki Ito
  • Publication number: 20170065917
    Abstract: The present invention provides a method for producing a non-woven fiber fabric by spinning a molten polymer. Thus, a non-woven fiber fabric which is substantially free from a solvent, different from the case of spinning a polymer solution, but yet has an extremely small fiber size (diameter of 0.5 ?m or less) is provided. The non-woven fiber fabric comprises an olefin-based thermoplastic resin fiber, said fiber having an average fiber size of 0.01-0.5 ?m, and said non-woven fiber fabric having an average pore size of 0.01-10.0 ?m and being free from a solvent component.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Akio MATSUBARA, Kenichi NAKAMURA
  • Publication number: 20170071059
    Abstract: There is provided with a metal foil-releasable resin layer composite comprising a metal foil and a releasable resin layer on at least one surface of the metal foil, wherein the releasable resin layer includes 100 parts by mass, in total, of (A) 50 to 95 parts by mass of a nonpolar resin, (B) 4 to 40 parts by mass of a thermosetting resin, and (C) 1 to 25 parts by mass of a release agent, wherein the mass ratio (A/B) of the nonpolar resin (A) to the thermosetting resin (B) is 55/45 to 96/4. The metal foil-releasable resin layer composite can achieve release with significantly low release strength between the metal foil and the releasable resin layer without damage of the releasable resin layer and can withstand hot pressing.
    Type: Application
    Filed: May 27, 2015
    Publication date: March 9, 2017
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Toshifumi MATSUSHIMA, Ayumu TATEOKA, Fujio KUWAKO, Shigeru ITABASHI
  • Publication number: 20170067273
    Abstract: A vehicle door opening device that enables a door, in a lock state, to open comprises an operating unit. The operating unit comprises a first outside lever that is pivotally mounted, via a first shaft, and rotates with an outside handle; a second outside lever that is pivotally mounted, via a second shaft that differs from the first shaft, releasing action of the second outside lever is made by a release electric power source, the second outside lever is connected to the first outside lever so that the releasing action is not transmitted to the first outside lever; and a release lever that is pivotally mounted, via the second shaft, and carries out releasing action caused by the releasing action of the second outside lever so that the releasing action of the releasing lever can be transmitted to door latch units.
    Type: Application
    Filed: November 5, 2014
    Publication date: March 9, 2017
    Applicant: Mitsui Kinzoku Act Corporation
    Inventor: Kohei YAMASHITA
  • Publication number: 20170070128
    Abstract: An apparatus for inserting a magnet into a rotor iron core includes a magnet inserting unit configured to insert a permanent magnet into a magnet-insert hole formed along a lamination direction of a rotor iron core body in which a plurality of iron core pieces are laminated, and a guide member to be attached to the magnet inserting unit, and arranged in a space formed between the magnet inserting unit and the rotor iron core body and configured to communicate the magnet-insert hole of the rotor iron core body to a supply part for the permanent magnet formed in the magnet inserting unit.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 9, 2017
    Applicant: MITSUI HIGH-TEC, INC.
    Inventors: Katsumi AMANO, Hisatomo ISHIMATSU
  • Patent number: 9588524
    Abstract: Provided is a vibration control device, which enables the vibrations of a vibrating body, such as a rotary machine, to automatically be suppressed, without installing a vibration detection sensor on the vibration control device or vibrating body, and without controlling the rotational speed or phase of the vibration control device. The vibration control device (1), which is installed on a vibrating body (2) and controls the vibrations of the vibrating body (2), comprises a rotating shaft (11), a mass body (12) that is fixed to the rotating shaft (11), and an activation apparatus (13) that adds the power of a rotational motion, which is centered on the rotating shaft (11), to the mass body (12).
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: March 7, 2017
    Assignees: NAGASAKI UNIVERSITY, MITSUI ENGINEERING & SHIPBUILDING CO., LTD.
    Inventors: Yutaka Yoshitake, Shuhei Kajiwara
  • Patent number: 9590478
    Abstract: A laminated iron core manufacturing method in a blanking die apparatus having multiple machining stations is provided. The method includes feeding a belt-shaped workpiece progressively in a longitudinal direction in the blanking die apparatus, operating cutting tools provided in the respective machining stations simultaneously to perform predetermined blanking operations on the progressively fed workpiece and finally perform a contour blanking operation on the workpiece so as to form core pieces, and laminating the core pieces within or outside the blanking die apparatus to thereby manufacture a laminated iron core. An auxiliary cutting tool is operated to form a disposal hole by partly blanking a scrap forming area of the workpiece simultaneously with the operations of the cutting tools of the multiple machining stations, to thereby secure a load balance of the blanking die apparatus in the feeding direction.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: March 7, 2017
    Assignee: MITSUI HIGH-TEC, INC.
    Inventors: Takahiro Shimizu, Hironosuke Taniishi
  • Patent number: 9588396
    Abstract: Systems and methods for manufacturing electro-active lenses including a peripheral edge, a discrete electro-active region, and at least two substrates. The at least two substrates include a layer of a transparent conductive material, that is laser cut to isolate regions required for establishing an electrical connection between the peripheral edge of the lens, from regions not required for establishing an electrical connection. Isolating the regions of the transparent conductive material required for establishing an electrical connection may include cutting patterns around an electrode of each of the substrates. The regions not required for establishing an electrical connection may be further cut into sections, which may be substantially band-shaped.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: March 7, 2017
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Joshua N. Haddock, Charles Willey
  • Patent number: 9591696
    Abstract: An object is to provide an induction heating method having a high power factor in which when thermal processing is performed through a plurality of heating coils receiving the supply of the current to generate mutual induction. In an induction heating method using an induction heating device that includes self-resonant circuits which feeds currents of equal frequency to a plurality of heating coils receiving the supply of the current to generate mutual induction is connected, wherein adjustment or control is performed to carry out an operation such that a first ratio of a reactance component of a mutual induction impedance to a resistance component of the mutual induction impedance between the adjacent self-resonant circuits and a second ratio of a reactance component of a self-impedance to a resistance component of the self-impedance in the self-resonant circuit are made equal to each other.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: March 7, 2017
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventors: Naoki Uchida, Nobutaka Matsunaka, Keiji Kawanaka, Kazuyoshi Fujita, Takahiro Ao
  • Publication number: 20170057184
    Abstract: A process for producing an optical material of the present invention includes a step of mixing di- or higher-functional thiol compounds (A) having one or more sulfide bonds and/or one or more ester bonds with an imidazole-based curing catalyst (B) to prepare a mixed solution; a step of mixing the mixed solution with an isocyanate compound (C) including at least one kind of a di- or higher-functional alicyclic isocyanate compound (c1) and/or a di- or higher-functional aliphatic isocyanate compound (c2) to prepare a polymerizable composition for optical materials; a step of injecting the polymerizable composition for optical materials into a mold; and a step of polymerization-curing the polymerizable composition for optical materials in the mold.
    Type: Application
    Filed: February 18, 2015
    Publication date: March 2, 2017
    Applicant: Mitsui Chemicals, Inc.
    Inventor: Naoyuki KAKINUMA
  • Publication number: 20170059002
    Abstract: A door opening/closing device includes: a motor; and an output shaft arranged on a line extending from an axial center of the motor, power of the motor being transmitted to the output shaft via a deceleration mechanism, the door opening/closing device opening and closing a door via the output shaft by driving the motor. Positional deviation on both end surfaces of the output shaft is set to equal to or higher than ?0.01 and equal to or lower than ?0.1.
    Type: Application
    Filed: June 25, 2014
    Publication date: March 2, 2017
    Applicant: MITSUI KINZOKU ACT CORPORATION
    Inventor: Kazuyuki SASAKI
  • Publication number: 20170058089
    Abstract: Disclosed is a plastic polarized lens including a polarized film, and a base layer formed over at least one surface of the polarized film. The base layer is comprised of a (thio)urethane resin obtained by polymerizing and curing a polymerizable composition containing at least one kind of isocyanate selected from isophorone diisocyanate, bis(isocyanate cyclohexyl) methane, and bis(isocyanate methyl) cyclohexane, and an active hydrogen compound.
    Type: Application
    Filed: August 6, 2015
    Publication date: March 2, 2017
    Applicants: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.
    Inventors: Toru MIURA, Norihiko AKUTSU
  • Patent number: 9585261
    Abstract: A manufacturing method of a multilayer printed wiring board in which a copper foil with carrier foil consists of at least four layers, a carrier foil/a release layer/a heat-resistant metal layer/a copper foil layer is used; a supporting substrate is manufactured by laminating an insulating layer constituting material on the surface of the copper foil layer constituting the copper foil with carrier foil; a supporting substrate with build-up wiring layer is manufactured by forming a build-up wiring layer on the surface of the carrier foil constituting the copper foil with carrier foil in the supporting substrate; the resulted supporting substrate with build-up wiring layer is separated at the release layer to manufacture a multilayered laminate; the resulted multilayered laminate is processed a necessary procedures to manufacture a multilayer printed wiring board.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: February 28, 2017
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Ayumu Tateoka, Shinichi Obata, Toshiyuki Shimizu
  • Publication number: 20170054350
    Abstract: An apparatus for manufacturing a laminated iron core includes a conveyance jig on which a laminated iron core body is placed, a die unit including a lower die and an upper die upwardly and downwardly movable with respect to the lower die, which holds the laminated iron core body placed on the conveyance jig from both sides in a lamination direction of the laminated iron core body between the lower die and the upper die, an injector injecting a resin into a through hole formed through the laminated iron core body held by the die unit from the lower die through the conveyance jig or the upper die, and an upward and downward movement unit capable of upwardly and downwardly moving the conveyance jig with respect to the lower die, and being provided independently from the die unit.
    Type: Application
    Filed: August 15, 2016
    Publication date: February 23, 2017
    Applicant: MITSUI HIGH-TEC, INC.
    Inventors: Hirotoshi MABU, Hidemi SASAKI
  • Publication number: 20170051131
    Abstract: Provided is a polymerizable composition for an optical material including (A) isocyanates having two or more isocyanato groups, which include at least an isophorone diisocyanate, (B) at least one predetermined thiol having two or more mercapto groups, (C) an acidic phosphoric acid ester represented by General Formula (1), and (D) a tin compound represented by General Formula (2), in which the acidic phosphoric acid ester (C) is contained in an amount of 0.05 parts by weight to 0.9 parts by weight, with respect to a total of 100 parts by weight of the isocyanates (A) and the thiols (B), and the tin compound (D) is contained in such an amount that the content of tin is 0.05 parts by weight to 0.3 parts by weight, with respect to a total of 100 parts by weight of the isocyanates (A) and the thiols (B).
    Type: Application
    Filed: April 30, 2015
    Publication date: February 23, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takayuki HANAWA, Shigetoshi KUMA