Patents Assigned to Mitsui
  • Electrode connection structure, lead frame, and method for forming electrode connection structure
    Patent number: 10903146
    Abstract: [Problem] To provide an electrode connection structure and the like in which a plurality of elongated leads are arranged in parallel and a longitudinal side surface of each lead is connected to an electrode by plating treatment with high quality. [Solution] An electrode connection structure in which a semiconductor chip 12 electrode and/or a substrate electrode is connected to a plurality of elongated leads 11 of a lead frame 10 by plating. The plurality of elongated leads 11 of the lead frame 10 are arranged in parallel, and a longitudinal side surface of each lead 11 is connected to the semiconductor chip 12 electrode and/or the substrate electrode by plating.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: January 26, 2021
    Assignees: WASEDA UNIVERSITY, MITSUI HIGH-TEC, INC.
    Inventors: Kohei Tatsumi, Kazutoshi Ueda, Nobuaki Sato, Koji Shimizu
  • Reinforcing fiber bundle and molding material
    Patent number: 10899896
    Abstract: Disclosed are: a reinforcing fiber bundle with excellent mechanical property and handling property, which contains a propylene-based resin (A), a propylene-based resin (B) comprising at least a carboxylic acid salt bonded to the polymer chain, and a reinforcing fiber (C) wherein the propylene-based resin (A) comprises more than 70% by mass but not more than 100% by mass of a component (A-1) having a weight average molecular weight of 150,000 or more, the amount of the propylene-based resin (B) is 3 to 50 parts by mass per 100 parts by mass of the propylene-based resin (A), and the total content rate of the propylene-based resin (A) and the propylene-based resin (B) is 0.3 to 5% by mass in the whole reinforcing fiber bundle; and a molding material comprising the reinforcing fiber bundle and a matrix resin.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: January 26, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yasushi Mizuta, Takeharu Isaki, Masako Yoshida, Yuichi Itou
  • Method of manufacturing plastic lens, method of positioning film, and composite body
    Patent number: 10899094
    Abstract: A method of manufacturing a plastic lens includes: a step of putting a first curable composition over a forming surface of a first mold substrate having the forming surface for forming a lens surface; a step of spreading the first curable composition over the entire forming surface by pressing the composition with a film to form a first curable composition layer and separating the film from the first mold substrate by a predetermined distance through the formed first curable composition layer; a step of covering defined surfaces; a step of injecting a second curable composition into a defined location; a step of curing the first curable composition layer and the injected second curable composition; and a step of removing to obtain a plastic lens.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: January 26, 2021
    Assignees: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.
    Inventor: Yoshimitsu Aiiso
  • METHOD FOR PRODUCING ORGANIC MERCAPTO COMPOUND OR INTERMEDIATE THEREOF, (POLY)THIOL COMPONENT, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, MOLDED PRODUCT, OPTICAL MATERIAL, AND LENS
    Publication number: 20210017128
    Abstract: A method for producing an organic mercapto compound or an intermediate thereof according to the present invention has a reaction step of reacting an alcohol compound including a sulfur atom with a thioamide compound having a structure in which an organic group is bonded to at least one bonding hand of a thioamide group, under acidic conditions.
    Type: Application
    Filed: March 29, 2019
    Publication date: January 21, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hironori KUBOI, Kaoru OHSHIMIZU
  • METHOD FOR MANUFACTURING ELECTRONIC DEVICE
    Publication number: 20210020461
    Abstract: The method for manufacturing an electronic device includes at least: a step of preparing a structure provided with an adhesive film provided with a base material layer, an adhesive resin layer (A) provided on a first surface side of the base material layer and for temporarily fixing an electronic component, and an adhesive resin layer (B) provided on a second surface side of the base material layer and in which an adhesive force is decreased by an external stimulus, an electronic component attached to the adhesive resin layer (A) of the adhesive film, and a support substrate attached to the adhesive resin layer (B) of the adhesive film; at least one step selected from a step of decreasing water content in the adhesive film and a step of decreasing water content in the structure; and a step of sealing the electronic component with a sealing material.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 21, 2021
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Kouji IGARASHI, Jin KINOSHITA, Hiroyoshi KURIHARA, Toru MIURA
  • POLYMERIZABLE COMPOSITION FOR DENTAL MATERIAL, AND DENTAL MATERIAL OBTAINED FROM SAID COMPOSITION
    Publication number: 20210017313
    Abstract: Provided are a polymerizable composition for a dental material that can yield cured molded bodies having superior mechanical strength, a molded body obtained by curing the composition, and a dental material including the molded body. A polymerizable composition for a dental material, the polymerizable composition containing: one selected from the group consisting of allyl compound (A) and an oligomer of allyl compound (A); and (meth)acrylate compound (B).
    Type: Application
    Filed: March 28, 2019
    Publication date: January 21, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takuya MATSUMOTO, Naoyuki KAKINUMA
  • POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS AND APPLICATION OF SAME
    Publication number: 20210017327
    Abstract: The polymerizable composition for optical materials of the present invention includes a polyester polyol (a), a compound (b) of which light absorption characteristics vary by sensing changes in environment; and a polymerization reactive compound (c).
    Type: Application
    Filed: December 14, 2018
    Publication date: January 21, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Nigel RIBEIRO, Hongbo WANG, Yixi LIN
  • Laminated sheet and solar cell backsheet using same
    Patent number: 10896988
    Abstract: A laminated sheet of a two-layer sheet in which an L1 layer including 50 to 99 parts by mass of an ethylene-based polymer (E1) having a density of 0.890 to 970 kg/m3 and 1 to 50 parts by mass of a propylene-based polymer (P1) is in contact with an L2 layer including 50 to 100 parts by mass of a propylene-based polymer (P2) and 0 to 50 parts by mass of an ethylene-based elastomer (E2) having a density of equal to or more than 850 kg/m3 and less than 890 kg/m3, in which the propylene-based polymer (P1) includes a propylene-based elastomer (P1a) including a propylene-derived constitutional unit and an ethylene-derived constitutional unit and/or a constitutional unit derived from an ?-olefin having 4 to 20 carbon atoms, and having a melting point (Tm) that is lower than 120° C. or not observable; and a solar cell backsheet formed using the same.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: January 19, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Koya Yoshimoto, Kiminori Noda, Makoto Egawa, Tatsuya Oku
  • Pellicle manufacturing method and method for manufacturing photomask with pellicle
    Patent number: 10895805
    Abstract: A method for producing a pellicle according to the one embodiment of the present invention produces a pellicle including a pellicle film and a pellicle frame supporting an outer peripheral portion of the pellicle film. The method includes forming the pellicle film on a substrate, and bonding a pressure-sensitive adhesive sheet, that is elastic and has a pressure-sensitive adhesive force thereof decreased upon receipt of external stimulation, to each of two surfaces of the substrate; making a notch inside a part of the substrate, the part having the pressure-sensitive adhesive sheets bonded thereto; separating a substrate outer peripheral portion outer to the notch of the substrate, in a state where the pressure-sensitive adhesive sheets are bonded to the substrate, to form a pellicle frame; and stimulating the pressure-sensitive adhesive sheets to peel off the pressure-sensitive adhesive sheets.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: January 19, 2021
    Assignees: MITSUI CHEMICALS, INC., TAZMO CO., LTD.
    Inventors: Kazuo Kohmura, Daiki Taneichi, Yosuke Ono, Hisako Ishikawa, Tsuneaki Biyajima, Yasuyuki Sato, Toshiaki Hirota
  • LAMINATE AND APPLICATION OF THE SAME
    Publication number: 20210008852
    Abstract: An object of the present invention is to obtain a laminate with good adhesive strength between a nonpolar polymer such as an EPDM, an acrylic rubber (ACM), an epichlorohydrin rubber (ECO), and the like and a polymer having excellent oil resistance such as a fluorine-based rubber, and the present invention relates to a laminate including a layer (A) and a layer (B). Layer (A): a layer including one or more polymers selected from the following polymers: an ethylene/?-olefin/non-conjugated polyene copolymer, an ethylene/carboxylic acid copolymer, an acrylic rubber, and an epichlorohydrin rubber. Layer (B): a layer including one or more polymers selected from the following polymers: an acrylic rubber and a halogen-containing polymer.
    Type: Application
    Filed: March 8, 2019
    Publication date: January 14, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoshiharu KIKUCHI, Kotaro ICHINO
  • LAMINATE INCLUDING ETHYLENE/alpha-OLEFIN/NON-CONJUGATED POLYENE COPOLYMER COMPOSITION, AND ETHYLENE/alpha-OLEFIN/NON-CONJUGATED POLYENE COPOLYMER COMPOSITION
    Publication number: 20210008853
    Abstract: The present invention has an object of providing an ethylene/?-olefin/non-conjugated polyene copolymer composition excellent in the adhesive strength with a layer of a saponified ethylene/vinyl acetate copolymer; and the present invention relates to a laminate comprising a layer of a copolymer composition comprising 100 parts by mass of an ethylene/?-olefin/non-conjugated polyene copolymer (A) and one or more additives selected from the following (1) to (3), and a layer of the saponified ethylene/vinyl acetate copolymer (B). (1) 1.7 to 20 parts by mass of dicumyl peroxide and 2 to 20 parts by mass of a metal oxide; (2) 20 to 120 parts by mass of a hydrophilic fumed silica; and (3) 5 to 50 parts by mass of an ethylene/vinyl acetate copolymer (B).
    Type: Application
    Filed: March 8, 2019
    Publication date: January 14, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoshiharu KIKUCHI, Kotaro ICHINO
  • GLASS CARRIER ATTACHED COPPER FOIL AND METHOD FOR PRODUCING SAME
    Publication number: 20210008838
    Abstract: A glass carrier-attached copper foil is provided that is suitable for production of a desired circuit mounting board ensuring electric conduction over the entire copper layer, reducing separation of the copper layer at the cut edge even if the copper foil is downsized, and having an intended circuit pattern with a fine pitch. The glass carrier-attached copper foil includes a glass carrier, a release layer provided on the glass carrier, and a copper layer provided on the release layer. The release layer has a function to enable release of the copper layer from the glass carrier. The glass carrier-attached copper foil has a plurality of releasable regions including the release layer and an unreleasable region not including the release layer. The unreleasable region has a pattern defining the releasable regions.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 14, 2021
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventor: Rintaro ISHII
  • POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, METHOD FOR MANUFACTURING POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, AND METHOD FOR MANUFACTURING OPTICAL ARTICLE
    Publication number: 20210009746
    Abstract: A polymerizable composition for an optical material includes a prepolymer which is a reaction product of a first amine compound (A1) having a weight-average molecular weight of less than 4,000, a first diol compound (B1) having a viscosity (25° C.) of equal to or less than 100 mPa·s, and a polyisocyanate compound (C); and a first polythiol compound (D1), in which the first amine compound (A1) is at least one selected from a polyetheramine and an aromatic amine, and the first polythiol compound (D1) includes a dithiol compound (d1) having two mercapto groups and a polythiol compound (d2) having equal to or more than three mercapto groups.
    Type: Application
    Filed: March 15, 2019
    Publication date: January 14, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Akinori RYU
  • SUPPORTING FRAME FOR PELLICLE, PELLICLE, METHOD FOR MANUFACTURING SAME, EXPOSURE MASTER USING SAME, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
    Publication number: 20210011372
    Abstract: Provided is a supporting frame in which a vent hole detachably arranging a filter and to which a pellicle film for extreme ultraviolet lithography can be attached. A support frame according to an embodiment of the present invention is a support frame for arranging a pellicle film, the support frame has a through hole being made from a hole extending along a first direction, the first direction being almost parallel to a surface direction of the pellicle film, and a hole extending along a second direction, the second direction not being parallel to the first direction; and the support frame includes a filter, the filter arranged at an inside of the through hole or at an end of the through hole, and the filter is arranged apart from the pellicle film.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Akira ISHIKAWA, Atsushi OKUBO, Yosuke ONO, Kazuo KOHMURA
  • METHOD OF PRODUCING AMIDE COMPOUND
    Publication number: 20210010041
    Abstract: Provided is a method of producing an amide compound, the method including: obtaining a reaction solution containing an amide compound by bringing a microbial cell containing nitrile hydratase, or a processed product of the microbial cell, into contact with a nitrile compound in an aqueous medium in a first reactor; and causing the obtained reaction solution containing an amide compound to react in a second reactor having a plug-flow region, in which the Reynolds number in the second reactor is controlled to from 5 to 1,000.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 14, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Maki YAMAMOTO, Yasushi KOTAKI, Tsutomu ISHIDA
  • MAGNESIUM ALLOY/RESIN COMPOSITE STRUCTURE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20210008768
    Abstract: A magnesium alloy/resin composite structure including a magnesium alloy member and a resin member integrated to the magnesium alloy member and made of a thermoplastic resin composition, in which the magnesium alloy member surface to which the resin member is not integrated is coated with a layer including a manganese atom, an oxygen atom, and a sulfur atom.
    Type: Application
    Filed: March 7, 2019
    Publication date: January 14, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Mizue KURIYAGAWA, Yoshihiko TOMITA, Hiroshi OKUMURA
  • ETHYLENE/alpha-OLEFIN/NON-CONJUGATED POLYENE COPOLYMER, METHOD FOR PRODUCING THE SAME, AND USE THEREOF
    Publication number: 20210009730
    Abstract: An object of the present invention is to provide a novel ethylene/?-olefin/non-conjugated polyene copolymer containing a certain non-conjugated polyene such as VNB as a copolymerization component, having a low long-chain branching content, excellent in cure characteristics in the case of crosslinking by using peroxide, and having good processability. The ethylene/?-olefin/non-conjugated polyene copolymer according to the present invention has constitutional units derived from ethylene (A), an ?-olefin (B) having 3 to 20 carbon atoms, and a non-conjugated polyene (C) having a total of two or more partial structures selected from the group consisting of the following general formulas (I) and (II) in a molecule, and satisfies certain requirements.
    Type: Application
    Filed: March 20, 2018
    Publication date: January 14, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kotaro ICHINO, Yoshiharu KIKUCHI, Keisuke SHISHIDO, Junpei TANAKA, Mitsunao ARINO
  • Method for measuring laminated iron core
    Patent number: 10890438
    Abstract: There is provided a method for measuring a laminated iron core. The method includes preparing a laminated iron core in which two or more kinds of metal plates with different shapes are laminated and a deformed part is formed inside a hole continuing in a lamination direction of the laminated iron core, acquiring a surface profile data indicating a surface shape of the deformed part through an inlet of the hole by a non-contact sensor located in an outside of the hole, and calculating a length from the inlet of the hole to the deformed part in the lamination direction by a calculator based on the surface profile data.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: January 12, 2021
    Assignee: MITSUI HIGH-TEC, INC.
    Inventors: Go Kato, Takashi Fukumoto, Kazuki Namaike, Syoichi Ono
  • RESIN COMPOSITION AND MONOLAYER AND MULTILAYER FILMS
    Publication number: 20210002465
    Abstract: Resin composition comprises 35 to 59.9 parts by mass of a propylene polymer (A) satisfying below; 25 to 40 parts by mass of a soft propylene copolymer (B); 0.1 to 10 parts by mass of a polyolefin (C) containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof; and 15 to 30 parts by mass of an ethylene polymer (D) (provided that the total of (A), (B), (C), and (D) is 100 parts by mass), wherein an MFR measured at 230° C. and a load of 2.16 kg according to ASTM D-1238 is 7 g/10 min or more and 25 g/10 min or less, with each component satisfying certain requirements.
    Type: Application
    Filed: February 8, 2019
    Publication date: January 7, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Akihiko IWASHITA, Yoshiyuki OGAWA, Youhei HOUTANI
  • PRIMER SET FOR PCR FOR BACTERIAL DNA AMPLIFICATION, KIT FOR DETECTION AND/OR IDENTIFICATION OF BACTERIAL SPECIES, AND, METHOD OF DETECTION AND/OR IDENTIFICATION OF BACTERIAL SPECIES
    Publication number: 20210002708
    Abstract: A primer set useful for further improvement of sensitivity in detection or identification of bacterial species in a sample by a PCR method, a kit for PCR using the primer set and a method of detection or identification of bacterial species in a sample using the primer set. Sensitivity in detection or identification of bacterial species in a sample by conducting a PCR method using the primer set with a minimized contamination amount of bacterial nucleic acid is improved. The primer set includes at least one primer pair in seven primer pairs obtained by selecting one primer pair from each of Groups S1 to S7 consisting of specific primers. In addition, the kit for detection of bacterial species includes at least one primer pair in seven primer pairs obtained by selecting one primer pair from each of Groups K1 to K7 consisting of specific primers.
    Type: Application
    Filed: August 11, 2020
    Publication date: January 7, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Koh AMANO, Tomomi SAKAI, Hisaaki YANAI, Homare TABATA, Hiroshi MINAMI, Isao KITAJIMA, Hideki NIIMI