Patents Assigned to Mitsui Chemicals, Inc.
  • Electronic eyeglasses
    Patent number: 11867983
    Abstract: Provided are electronic eyeglasses including a power supply unit that is less likely to be unfastened and is easily attachable and detachable. A power supply unit is detachably attached to an accommodating chamber in a distal end portion of a temple. The power supply unit includes, from a front end toward a rear end, an electrical connection terminal; a first housing unit that holds a first battery, and that has a side surface having an arc shape in a plan view; a narrow portion that is connected to the arc-shaped side surface, and that has a side surface narrower than the side surface; and a second housing unit that has a side surface connected to the narrow side surface, and that hold a second battery. The accommodating chamber has a protruding portion that is elastically deformed so as to be fitted to the narrow portion of the power supply unit.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: January 9, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masayoshi Hino, Ryuki Kan
  • Composite structure and housing for electronic device
    Patent number: 11865750
    Abstract: A composite structure includes: a metal member; and a thermoplastic resin member bonded to the metal member, in which the metal member has a fine uneven structure at least on a metal surface to which the thermoplastic resin member is bonded, a hardness of the thermoplastic resin member measured by a type A durometer in accordance with JIS K6253 is in a range of equal to or more than A60 and equal to or less than A95, and an acid value of the thermoplastic resin member is equal to or more than 1 mgKOH/g and equal to or less than 100 mgKOH/g. The thermoplastic resin member preferably contains a urethane-based thermoplastic elastomer, an amide-based thermoplastic elastomer, and an acid-modified polyolefin.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: January 9, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takahiro Tominaga, Kazuki Kimura
  • Photocurable composition, cured product, and dental product
    Patent number: 11866527
    Abstract: A photocurable composition includes a photopolymerizable component and a photopolymerization initiator. When a test piece with 39 mm length, 8 mm width, and 4 mm thickness, is produced by photofabrication under conditions in which the photocurable composition is irradiated with visible light having 405 nm wavelength at 12 mJ/cm2 irradiation dose to form a cured layer with 100 m thickness, the cured layer is stacked in a thickness direction thereof to form a rectangular fabrication product with 39 mm length, 8 mm width, and 4 mm thickness, and the fabrication product is irradiated with ultraviolet rays having 365 nm wavelength at 10 J/cm2 irradiation dose to produce the test piece, a total fracture work of the test piece measured in compliance with ISO20795-1:2008 is 1100 J/m2 or more.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: January 9, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Toshikazu Sakamaki, Mai Kimura, Hiroki Murai, Takaaki Hayashi, Suguru Endo
  • LAMINATE
    Publication number: 20240001653
    Abstract: A laminate containing a propylene polymer as a main component, relating to a sealant film including a heat-seal layer and an adjacent layer, wherein the sealant film satisfies the following requirement (1) the sealant film is a stretched film or a non-stretched film; the heat-seal layer contains an olefin polymer (B) satisfying the following requirement (2): a melting point is less than 120° C. or is not observed; and a propylene polymer (A) satisfying the following requirement (3): a melting point is 121° C. or more and 170° C. or less; and the adjacent layer contains 1 to 70% by mass of the propylene polymer (A) satisfying the following requirement (3) and 30 to 99% by mass of the olefin polymer (B) satisfying the following requirement (2), and contains 0 to 70% by mass of a propylene polymer (B2) in the olefin polymer (B), provided that (A)+(B)=100% by mass.
    Type: Application
    Filed: October 25, 2021
    Publication date: January 4, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Ryoji MORIWAKI, Hiroshi HOYA, Nozomi KAMIYA, Nao SHIOZAKI, Takahiro MIZUMA, Makoto EGAWA, Yuki KAI
  • FIBER-REINFORCED RESIN COMPOSITION AND MOLDED ARTICLE
    Publication number: 20240002638
    Abstract: A fiber-reinforced resin composition containing a polyolefin resin; one or more resins selected from a polyamide resin and a polyester resin; a fiber; and a modified polyolefin resin, in a specific proportion, wherein the ratio ?N/?B of a melt viscosity ?A of the polyolefin resin at 250° C. and a shear rate of 120/sec to a melt viscosity ?B of the resin at 250° C. and a shear rate of 120/sec is in a range of 0.3 to 1.3. The fiber-reinforced resin composition has excellent heat distortion resistance under high load, and has an excellent balance between heat distortion resistance and tensile creep resistance while containing a compatibilizer. In addition, the fiber-reinforced resin composition having excellent impregnation properties into long glass fibers improves the interaction between the fiber and the resin composition, and contributes to the improvement of mechanical properties.
    Type: Application
    Filed: November 24, 2021
    Publication date: January 4, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masashi KOMATSUBARA, Kenji KOJIO, Tomoya NAKAMURA, Hirokazu TANAKA
  • Substrate laminated body and method of manufacturing substrate laminated body
    Patent number: 11859110
    Abstract: A body, comprising stacked substrates, wherein: a first substrate, an adhesion layer comprising a reaction product of a compound (A), which has a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom and which has a defined weight average molecular weight, and a crosslinking agent (B), which has three or more —C(?O)OX groups in a molecule, in which from one to six of the three or more —C(?O)OX groups are —C(?O)OH groups and which has a weight average molecular weight of from 200 to 600, X is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, and a second substrate, are layered in this order, and the compound (A) comprises at least one selected from the group consisting of a defined aliphatic amine and a defined compound having a siloxane bond and an amino group.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: January 2, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Jun Kamada, Kazuo Kohmura, Yasuhisa Kayaba
  • Anisotropic conductive sheet, anisotropic conductive composite sheet, anisotropic conductive sheet set, electric inspection device and electric inspection method
    Patent number: 11860193
    Abstract: This anisotropic conductive sheet includes: a plurality of conductive paths; and an insulation layer which is disposed to fill the space between the plurality of conductive paths and has a first surface and a second surface. Each of the conductive path extends in a thickness direction of the insulation layer and has a first end part on the first surface side and a second end part on the second surface side. When the conductive paths are seen through so that the center of the first end part overlaps the center of the second end part, at least a portion of the conductive paths does not overlap the first end part and the second end part.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: January 2, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Taichi Koyama, Katsunori Nishiura, Daisuke Yamada, Yoichi Kodama
  • TEMPERATURE CONTROL UNIT AND METHOD FOR MANUFACTURING TEMPERATURE CONTROL UNIT
    Publication number: 20230417493
    Abstract: A temperature control unit, comprising a first metal member, a second metal member, a first resin member that is disposed between the first metal member and the second metal member, and a second resin member, the first resin member having a shape corresponding to a space for a fluid to flow between the first metal member and the second metal member, and the second resin member being joined with at least a portion of a surface of at least one of the first metal member or the second metal member.
    Type: Application
    Filed: December 2, 2021
    Publication date: December 28, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Mizue KURIYAGAWA, Kazuki KIMURA, Tomoki TORII
  • Pellicle, exposure master, exposure device and method for manufacturing semiconductor device
    Patent number: 11852968
    Abstract: To provide a pellicle in which outgas from an adhesive layer is suppressed. The pellicle includes a pellicle film, a support frame for supporting the pellicle film, a protrusion part arranged in the support frame, a first adhesive layer arranged on the protrusion part; and an inorganic material layer arranged at a position closer to the pellicle film than the first adhesive layer. The inorganic material layer may include a first inorganic material layer arranged at a first side surface of the first adhesive layer, the first side surface of the first adhesive layer intersecting the pellicle film, and arranged at a position closer to the pellicle film.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: December 26, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yosuke Ono, Kazuo Kohmura, Atsushi Okubo, Daiki Taneichi, Hisako Ishikawa, Tsuneaki Biyajima
  • RESIN COMPOSITION, ADHESIVE, MULTILAYER BODY, SURFACE PROTECTION FILM, METHOD FOR PRODUCING SURFACE PROTECTION FILM, AND METHOD FOR PROTECTING SURFACE
    Publication number: 20230407073
    Abstract: A resin composition containing a 4-methyl-1-pentene/?-olefin copolymer (A-1) satisfying (a) to (b), a 4-methyl-1-pentene/?-olefin copolymer (A-2) satisfying (c) to (d), and a thermoplastic resin (B) other than these, wherein a total content of (A-1) and (A-2) is 2 to 50% by mass, and a content of (B) is 50 to 98% by mass, based on 100% by mass of a total of (A-1), (A-2), and (B): (a) 65 to 80 mol % of a structural unit (i) derived from 4-methyl-1-pentene and 20 to 35 mol % of a structural unit (ii) derived from ?-olefin; (b) a melting point observed by DSC is lower than 110° C. or not observed; (c) 80 to 90 mol % of the structural unit (i) and 10 to 20 mol % of the structural unit (ii) are contained; and (d) a melting point observed by DSC is 110 to 160° C.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 21, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takayuki UEKUSA, Motoyasu YASUI, Yoshisada FUKAGAWA
  • Sulfur-containing polymerizable monomer and use thereof
    Patent number: 11844847
    Abstract: A compound (A) is represented by the formula (1): wherein R1 is a hydrogen atom or an alkali metal atom, R2 is a hydrogen atom or an alkali metal atom, R3 is a hydrogen atom or a methyl group, Z is a divalent or trivalent organic group, and the lines consisting of a solid line and a broken line bonded to Z represent a single bond or a double bond.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: December 19, 2023
    Assignees: SUN MEDICAL CO., LTD., MITSUI CHEMICALS, INC.
    Inventors: Hideo Matsumura, Sayaka Miyamori, Takashi Yamamoto, Kazuhiko Yoshinaga, Shigeru Mio, Shinji Kiyono, Hina Suzuki
  • Polymerizable composition for optical material, optical material, and producing method thereof
    Patent number: 11845828
    Abstract: A polymerizable composition for an optical material of the present invention includes (A) a compound of which pKa value is 1 to 9, (B) a di- or higher functional iso(thio)cyanate compound, and (C) a di- or higher functional active hydrogen compound.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: December 19, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke Ito, Masayuki Furuya, Kouji Suesugi, Takeshi Nishimura, Mamoru Tanaka
  • Thiol-containing composition for optical material and polymerizable composition for optical material
    Patent number: 11840599
    Abstract: The thiol-containing composition for an optical material of the present invention includes a compound (A) represented by General Formula (a), and a compound (B) composed of at least one selected from a compound (b2-1) represented by General Formula (b2-1), a compound (b3-1) represented by General Formula (b3-1), a compound (b3-2) represented by General Formula (b3-2), and a compound (b4-2) represented by General Formula (b4-2), in which, in high-performance liquid chromatography measurement, the total peak area ratio of the compound included in the compound (B) is 0.1% to 60.0% with respect to the peak area 100 of the compound (A).
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: December 12, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takeshi Nishimura, Masayuki Furuya, Shigetoshi Kuma
  • INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM
    Publication number: 20230380678
    Abstract: An information processing device including a calculation unit that calculates an evaluation function using a visibility threshold of a test subject obtained by performing a visual acuity examination on the test subject and using a parameter related to a visual object, and a spectral transmittance optimization unit that optimizes a spectral transmittance of a filter having a spectral transmittance to light from the visual object using the evaluation function when passed through the filter.
    Type: Application
    Filed: October 18, 2021
    Publication date: November 30, 2023
    Applicants: MITSUI CHEMICALS, INC., VISUAL TECHNOLOGY LABORATORY INC.
    Inventors: Daiki ITO, Taizo NISHIMOTO, Kenji SUZUKI, Shoko MATSUMURA, Noriaki ASADA, Yoshiki NAKAMURA, Minao YAMAMOTO
  • Polythiol composition, polymerizable composition, resin, molded body, optical material, and lens
    Patent number: 11827736
    Abstract: Provided is a polythiol composition including a polythiol compound (A) and a compound represented by the following Formula (1), wherein, in high performance liquid chromatography measurement, a peak area of the compound represented by Formula (1) is 9.0 or less with respect to a total peak area 100 of all compounds contained in the polythiol composition. In Formula (1), X represents a carbon atom or a sulfur atom.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: November 28, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shotaro Nakano, Masaru Kawaguchi
  • Photocurable composition, three-dimensional molded product, and dental product
    Patent number: 11827728
    Abstract: A photocurable composition includes a photopolymerizable component and a photopolymerization initiator, in which a diluted solution (D1) obtained by diluting the photocurable composition with ethanol such that the content of ethanol is 99% by mass would satisfy the following Condition (X): the transmittance at at least one wavelength within the wavelength range of from 365 nm to 405 nm, measured at an optical path length of 1 cm, is from 1.0% to 70.0%.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: November 28, 2023
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Takaaki Hayashi
  • FIBER NONWOVEN FABRIC, FILTER, AND METHOD OF FIBER NONWOVEN FABRIC
    Publication number: 20230372848
    Abstract: A fiber nonwoven fabric includes a fiber containing an aromatic polyether ketone, and a coefficient of variation in a fiber diameter of the fiber is 100% or less.
    Type: Application
    Filed: October 6, 2021
    Publication date: November 23, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Kozo IIBA
  • METHOD OF PRODUCING THIOURETHANE RESIN RAW MATERIAL AND APPLICATION THEREOF
    Publication number: 20230365770
    Abstract: A method of producing a thiourethane resin raw material, the method comprising a reaction step of generating a thiourethane resin raw material by contacting a composition X, which comprises a thiourethane resin and a foreign material, and an active hydrogen compound with each other, and thereby reacting the thiourethane resin in the composition X, and the active hydrogen compound, with each other.
    Type: Application
    Filed: November 17, 2021
    Publication date: November 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masakazu MURAKAMI, Shotaro NAKANO
  • POLYTHIOL COMPOSITION, POLYMERIZABLE COMPOSITION, RESIN, MOLDED ARTICLE, OPTICAL MATERIAL, AND LENS
    Publication number: 20230365738
    Abstract: A polythiol composition including a polythiol compound (A) and a compound represented by formula (1), wherein, in formula (1), m and n each independently represent 0 or 1, and m+n=1.
    Type: Application
    Filed: December 23, 2021
    Publication date: November 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shotaro NAKANO, Masaru KAWAGUCHI
  • RESIN COMPOSITION
    Publication number: 20230365794
    Abstract: A resin composition including 25 to 99.99% by mass of a thermoplastic resin (A) having a weight-average molecular weight (Mw) of 50,000 or more in terms of polystyrene as measured by gel permeation chromatography (GPC), and 0.01 to 15% by mass of a copolymer (B) containing a structural unit derived from an ?-olefin having 3 or more carbon atoms and satisfying the following requirements (b-1) to (b-3): (b the kinematic viscosity at 100° C. is 10 to 5,000 mm2/s; (b-2) the content of a structural unit derived from an ?-olefin having 3 or more carbon atoms in the range of 60 to 85 mol%; and (b-3) the weight-average molecular weight (Mw) in terms of polystyrene as measured by gel permeation chromatography (GPC) is 1,000 to 30,000 and the molecular weight distribution (Mw/Mn) is 2.5 or less.
    Type: Application
    Filed: October 6, 2021
    Publication date: November 16, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Shota ABE