Patents Assigned to Mitsui
  • (Meth)acrylate, monomer composition, dental material obtained from composition, and production method thereof
    Patent number: 11407846
    Abstract: Provided are a monomer which can provide a cured product having both high toughness and rigidity, a monomer composition containing the monomer, the monomer composition used as a dental material monomer composition, a dental material composition containing the monomer composition or the dental material monomer composition, a cured product thereof having excellent mechanical properties, a dental material formed by curing the dental material composition, a method for producing the monomer composition, and a method for producing the dental material. A (meth)acrylate (D) is a reaction product of an amine compound (A) having two or more amino groups, an iso(thio)cyanate compound (B) having two or more iso(thio)cyanato groups, and a hydroxy (meth)acrylate compound (C) having one or more polymerizable groups.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: August 9, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Naoyuki Kakinuma
  • Thermoplastic elastomer composition having excellent molding appearance and a molded product obtained therefrom
    Patent number: 11407885
    Abstract: The present invention relates to a thermoplastic elastomer composition comprising 10 to 80 parts by mass of polyolefin resin (A), 10 to 80 parts by mass of styrene-based thermoplastic elastomer (B), and 1 to 20 parts by mass of at least partially crosslinked rubber (C) (with the total amount of the components (A), (B) and (C) being 100 parts by mass), wherein the composition has a type D hardness (i.e., the instantaneous value) of 35 or more and 70 or less in accordance with JIS K6253, and relates to a molded thermoplastic elastomer product obtained by molding the composition.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: August 9, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masatoshi Sasaki, Makoto Yaegashi, Kakeru Chigama, Remi Kusumoto
  • Dental polyfunctional monomers and dental hydroxyl group-containing monomers
    Patent number: 11406571
    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: Grant
    Filed: February 3, 2021
    Date of Patent: August 9, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yoko Kosugi, Akiko Matsumoto, Kazuhiko Yoshinaga
  • MELT-BLOWN NONWOVEN FABRIC, FILTER AND METHOD OF MANUFACTURING MELT-BLOWN NONWOVEN FABRIC
    Publication number: 20220243372
    Abstract: A melt-blown nonwoven fabric includes polybutylene terephthalate, in which an intrinsic viscosity of the melt-blown nonwoven fabric is 0.45 dl/g or more and 0.60 dl/g or less.
    Type: Application
    Filed: June 2, 2020
    Publication date: August 4, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takashi HASHIMOTO, Kozo IIBA
  • CORE PART MANUFACTURING METHOD AND CORE PART MANUFACTURING APPARATUS OF ROTARY ELECTRIC MACHINE
    Publication number: 20220247289
    Abstract: There are provided core part manufacturing method and apparatus for manufacturing a core part of a rotary electric machine. The core part manufacturing method includes: injecting a molten resin from a side on one end surface of an iron core body into a plurality of space portions provided in the iron core body in a state where the iron core body is sandwiched and pressed. In injecting of the resin, a contact surface on an opposite side to a side where the resin is injected includes: a relief portion that is recessed without contacting to the one end surface; and a remaining portion that is adjacent to a non-contact region. The remaining portion is disposed in the contact surface on an outer peripheral side from the non-contact region, and the relief portion is disposed further in the contact surface on an outer peripheral side from the remaining portion.
    Type: Application
    Filed: January 21, 2022
    Publication date: August 4, 2022
    Applicant: MITSUI HIGH-TEC, INC.
    Inventors: Shohei YOSHISAKO, Kohei YOSHIDA, Hibiki MINO, Masayuki ONO
  • COOLING DEVICE AND STRUCTURE
    Publication number: 20220247003
    Abstract: A cooling device including: a resin flow path which is provided with a space portion serving as a flow path in at least one surface; a metal cooling panel for cooling a heating element, which covers the space portion and of which at least a part is in contact with the resin flow path; and a resin bonding member for bonding the resin flow path and the metal cooling panel, in which the metal cooling panel has a fine uneven structure at least on a surface of a bonding portion with the resin bonding member, and the metal cooling panel and the resin bonding member are bonded by allowing a part of the resin bonding member to enter into the fine uneven structure.
    Type: Application
    Filed: June 12, 2020
    Publication date: August 4, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kazuki KIMURA, Takahiro TOMINAGA, Mizue KURIYAGAWA, Tomoki TORII, Kyohei NOMOTO
  • Piezoelectric substrate, piezoelectric textile, piezoelectric fabric, piezoelectric device, force sensor, actuator, and biological information acquisition device
    Patent number: 11402282
    Abstract: Provided is a piezoelectric substrate including: an elongate conductor; and an elongate first piezoelectric material helically wound in one direction around the conductor, in which the first piezoelectric material includes an optically active helical chiral polymer (A), the lengthwise direction of the first piezoelectric material and the principal orientation direction of the helical chiral polymer (A) included in the first piezoelectric material are substantially parallel to each other, and the first piezoelectric material has an orientation degree of F. in a range of from 0.5 to less than 1.0, determined from X-ray diffraction measurement by the following Formula (a): orientation degree F.=(180°??)/180°??(a) (in Formula (a), ? represents a half width of a peak derived from orientation).
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: August 2, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Mitsunobu Yoshida, Kazuhiro Tanimoto, Katsuki Onishi, Shigeo Nishikawa
  • Vehicle entry system and onboard device
    Patent number: 11403897
    Abstract: A vehicle entry system that comprises a portable terminal and an onboard device that wirelessly communicates with the portable terminal. The onboard device has: a door opening and closing unit that can lock a vehicle door in a closed state and open the vehicle door to a prescribed angle; and an onboard control unit that, on the basis of commands from a portable terminal, controls a vehicle drive system and the door opening and closing unit. The portable terminal has a touch panel and a terminal control unit that outputs commands to the onboard control unit. A plurality of icons on the touch panel include an advance-and-open-door icon to advance to a location at which the door can open and, after advancing, to open the door; and a reverse-and-open-door icon to reverse to a location at which the door can open and, after reversing, to open the door.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: August 2, 2022
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Mikio Ichinose, Hiroki Hattori
  • Frame component, temple, frame, and eyewear
    Patent number: 11402668
    Abstract: This frame component constituting a frame of eyewear is provided with: a housing having a first surface that has a first recess portion formed therein, and a first hole that opens to the first recess portion; a first device disposed in the first recess portion; and a fastening member inserted into the first hole and fixing the first device to the housing. Through this configuration, a frame component is provided which can reduce the thickness dimension of a portion in which a device is provided.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: August 2, 2022
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Ryuki Kan, Takafumi Ohto, Osamu Masuda
  • TACTILE SENSOR FORMED ON POLYIMIDE THIN FILM HAVING HIGH TOTAL LIGHT TRANSMITTANCE, AND SWITCHING DEVICE USING SAME
    Publication number: 20220239296
    Abstract: A light, flexible, and tough thin film having high total light transmittance that can be formed on various three dimensional shapes, and also provides a stably driven tactile sensor, which is an electronic device having the switching function thereof, is provided. The tactile sensor is formed on a polyimide thin film having high total light transmittance, thermal resistance, and a polar component of surface free energy with a specific value, and has a switching device that emits a voltage signal which, through an electronic circuit for controlling noise, stably drives another device. This tactile sensor has a curved or flat surface and has a first electrode, a ferroelectric layer, and a second electrode formed over the polyimide thin film. The switching device as a tactile sensor can drive another device merely by a light touch with a finger, and can be manufactured at a high non-defective rate.
    Type: Application
    Filed: June 15, 2020
    Publication date: July 28, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Jun OKABE, Tadahiro SUNAGA, Shizuo TOKITO, Tomohito SEKINE
  • Electroconductive resin composition, method for manufacturing same and molded article obtained therefrom
    Patent number: 11396564
    Abstract: The purpose of the present invention is to provide an electroconductive resin composition that has excellent electroconductivity and high mechanical strength. The electroconductive resin composition according to the present invention comprises 75-99 parts by mass of a thermoplastic resin (A), 1-25 parts by mass of a carbon material (B), and more than 1 part by mass but not more than 10 parts by mass, per 100 parts by mass of the total amount of the thermoplastic resin (A) and the carbon material (B), of a modified polyolefin wax (C), wherein the carbon material (B) is a granular carbon material having an average grain diameter of 500 nm or less or a fibrous carbon material having an average fiber length of 1000 ?m or less.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: July 26, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hirotaka Kanaya, Kuniaki Kawabe, Yosuke Takahashi, Koji Matsunaga
  • Method of producing electronic device
    Patent number: 11398389
    Abstract: Provided is a method of producing an electronic device, including a step of preparing a structure which includes an electronic component having a circuit forming surface, and an adhesive laminated film which includes a base material layer and an adhesive resin layer and in which the adhesive resin layer is attached to the circuit forming surface of the electronic component; a step of back-grinding a surface of the electronic component opposite to the circuit forming surface in a state of being attached to the adhesive laminated film; a step of dicing the electronic component in a state of being attached to the adhesive laminated film; and a step of forming an electromagnetic wave-shielding layer on the separated electronic components in a state of being attached to the adhesive laminated film, in this order.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: July 26, 2022
    Assignee: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Takashi Unezaki, Jun Kamada, Akimitsu Morimoto, Jin Kinoshita
  • LITHIUM BORATE COMPOUND, ADDITIVE FOR LITHIUM SECONDARY BATTERY, NONAQUEOUS ELECTROLYTIC SOLUTION FOR LITHIUM SECONDARY BATTERY, PRECURSOR FOR LITHIUM SECONDARY BATTERY, AND PRODUCTION METHOD FOR LITHIUM SECONDARY BATTERY
    Publication number: 20220231336
    Abstract: A lithium borate compound represented by the following Formula (I). In Formula (I), each of R1, R2, and R3 independently represents a hydrocarbon group having from 1 to 20 carbon atoms, which may have a substituent. R10 represents a fluorine atom, a hydrocarbon-oxy group having from 1 to 10 carbon atoms, a hydrocarbon group having from 1 to 10 carbon atoms, or a fluorinated hydrocarbon group having from 1 to 10 carbon atoms.
    Type: Application
    Filed: March 12, 2020
    Publication date: July 21, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kenichi GOTO, Shigeru MIO, Satoko FUJIYAMA, Kei SUGAWARA, Mitsuaki CHIDA
  • SENSOR, DETECTION METHOD, AND SENSOR MANUFACTURING METHOD
    Publication number: 20220228898
    Abstract: A sensor includes a body member, a volume change body, and a detection member. The body member has a flat plate-like shape, a first end in a first direction being supported, and a storage space opening at at least one of both end faces in a thickness direction. The volume change body, whose volume changes depending on an amount of a target, is supported by the body member so that at least a part of the volume change body is stored in the storage space. The detection member is in contact with a second end in the first direction of the body member, and detects stress caused by the change in the volume of the volume change body.
    Type: Application
    Filed: March 11, 2019
    Publication date: July 21, 2022
    Applicants: MITSUI CHEMICALS, INC., TOHOKU UNIVERSITY
    Inventors: Takahito Ono, Masaya Toda, Mai Kurihara
  • PACKAGING FILM, PACKAGE, AND METHOD OF MANUFACTURING LAMINATED FILM
    Publication number: 20220227555
    Abstract: Provided is a packaging film including: a substrate layer that includes polyethylene; and a coating layer that includes a resin and is provided in contact with one surface of the substrate layer or is provided over one surface of the substrate layer through an anchor coat layer. In one preferable aspect of the packaging film, when a glass transition temperature of the coating layer is represented by Tgc and a glass transition temperature of the substrate layer is represented by Tgs, a value of Tgc is ?25° C. to 120° C. and a value of Tgc-Tgs is 90° C. to 245° C.
    Type: Application
    Filed: May 28, 2020
    Publication date: July 21, 2022
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Keiichi YAMAMOTO, Masayuki SAKURAI, Izumi HARANO, Tsutomu HARA, Ryousuke MORITA, Hiroyuki WAKAKI, Tomoyoshi HAKAMATA, Hiroshi MATSUO, Ichiro TAKEISHI
  • CYCLIC OLEFIN-BASED RESIN COMPOSITION, MOLDED PRODUCT, AND OPTICAL COMPONENT
    Publication number: 20220227896
    Abstract: Provided is a cyclic olefin-based resin composition including a cyclic olefin-based polymer (A), and a hindered amine compound (Y) that contains a piperidyl group represented by General Formula (1) and a carboxylic acid amide group represented by General Formula (2) within the same molecule.
    Type: Application
    Filed: May 14, 2020
    Publication date: July 21, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masakatsu KASUYA, Kouichi KIZU, Yasuyuki SOEDA, Takayuki OKUNO, Hisahiro KATO, Keisuke ENDO
  • Polycarbodiimide composition, method for producing a polycarbodiimide composition, water-dispersed composition, solution composition, resin composition, and cured resin
    Patent number: 11390751
    Abstract: The polycarbodiimide composition is a reaction product of polyisocyanate having a primary isocyanate group with alcohol, wherein the alcohol contains at least one oxyethylene-containing alcohol containing an oxyethylene group, and at least one oxyethylene-noncontaining alcohol containing no oxyethylene group, the at least one oxyethylene-noncontaining alcohol has a solubility parameter of 11.20 (cal/cm3)1/2 or less.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: July 19, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tatsuya Yamashita, Toshihiko Nakagawa, Shinji Kiyono, Kazuki Sakata, Hirokazu Morita, Shigeru Mio, Satoshi Yamasaki
  • Method for manufacturing iron core product
    Patent number: 11393623
    Abstract: According to one embodiment, a method for manufacturing an iron core product includes providing an iron core body which includes a magnet insertion hole in which a permanent magnet is disposed, injecting a molten resin into the magnet insertion hole of the iron core body at a first pressure, and setting a pressure applied to the molten resin to a second pressure lower than the first pressure after the molten resin is injected into the magnet insertion hole and before the molten resin is cured.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: July 19, 2022
    Assignee: MITSUI HIGH-TEC, INC.
    Inventors: Takashi Fukumoto, Kohei Yoshida, Junya Satake
  • Aqueous dispersion and laminate
    Patent number: 11390781
    Abstract: An aqueous dispersion contains a resin component and water, wherein the resin component contains composite particles (D) having the ethylene-unsaturated carboxylic acid copolymer (A) and the polymer having an acrylic acid ester unit as a polymerization unit (B), and composite particles (E) having the ethylene-unsaturated carboxylic acid copolymer (A) and the ethylene-vinyl acetate copolymer (C).
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: July 19, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Junichi Nakagawa
  • Vehicle door latch device
    Patent number: 11391071
    Abstract: In a vehicle door latch device, ingress of rainwater into an outer cable of a Bowden cable is prevented. Vehicle door latch device includes: operation handle provided in a door; door latch mechanism attached in the door; Bowden cable having outer cable that is fixed at one end to the vicinity of operation handle and at the other end to door latch mechanism, and inner cable that is inserted into outer cable while being coupled at one upward end to operation handle and at the other end to release lever of door latch mechanism; and elastic cap provided at one end of the outer cable, having the corresponding one of cover portions in a cylindrical shape, extending in a movement direction of the inner cable extending from the one end of the outer cable, to cover the inner cable.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: July 19, 2022
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Tomoharu Nagaoka, Sayaka Koyama