Patents Assigned to Mitsui
  • Patent number: 10711078
    Abstract: A polymerizable composition according to the present invention includes a compound (A) including two or more allyloxycarbonyl groups represented by Formula (1); at least one kind of polymerization initiator (B) selected from the group consisting of a peroxyketal-based radical polymerization initiator, a peroxy monocarbonate-based radical polymerization initiator, and a peroxyester-based radical polymerization initiator; and at least one kind of photochromic compound (C) selected from a naphthopyran compound group.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: July 14, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tatsuya Ogawa, Andrea Vecchione, Roberto Forestieri, Fiorenzo Renzi, Willem Bos
  • Patent number: 10710888
    Abstract: The purpose of the present invention is to provide a beta zeolite which includes zinc and has a small particle size. This beta zeolite includes a silicon oxide and a zinc oxide, and has an average particle size of 50 to 100 nm at a cumulative frequency of 50% in a particle size distribution measured by scanning electron microscope observation.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: July 14, 2020
    Assignees: MITSUI MINING & SMELTING CO., LTD., THE UNIVERSITY OF TOKYO
    Inventors: Kenta Iyoki, Keiji Itabashi, Tatsuya Okubo
  • Patent number: 10709530
    Abstract: The present invention provides a photocurable composition which is used for the production by stereolithography of a dental prosthesis or the like. This photocurable composition contains a (meth)acrylic monomer component and a photopolymerization initiator; and the (meth)acrylic monomer component contains: an acrylic monomer (X) containing, within one molecule, two aromatic rings and two acryloyloxy groups, and having a Mw of from 400 to 580; and at least one of: a (meth)acrylic monomer (A) containing, within one molecule, one or more ether bonds and two (meth)acryloyloxy groups, and having a Mw of from 200 to 400; a (meth)acrylic monomer (B) not containing, within one molecule, a ring structure other than an aromatic ring and one (meth)acryloyloxy group, and having a Mw of from 130 to 240; or a (meth)acrylic monomer (C) containing, within one molecule, a hydrocarbon skeleton and two (meth)acryloyloxy groups, and having a Mw of from 190 to 280.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: July 14, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Toshikazu Gomi, Takashi Koura, Hirohisa Shiode, Mai Kimura
  • Publication number: 20200219823
    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, an unevenness-absorptive resin layer, and an adhesive resin layer in this order and in which the adhesive resin layer is attached to the circuit forming surface of the electronic component such that the circuit forming surface is protected; and a step of forming an electromagnetic wave-shielding layer on the electronic component in a state of being attached to the adhesive laminated film.
    Type: Application
    Filed: July 9, 2018
    Publication date: July 9, 2020
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Takashi UNEZAKI, Jun KAMADA, Akimitsu MORIMOTO, Jin KINOSHITA
  • Publication number: 20200219734
    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: Application
    Filed: July 9, 2018
    Publication date: July 9, 2020
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Takashi UNEZAKI, Jun KAMADA, Akimitsu MORIMOTO, Jin KINOSHITA
  • Patent number: 10707015
    Abstract: A method for manufacturing a laminated iron core includes setting a blanking position on a strip-shaped workpiece for iron core pieces each including a yoke piece part having a linear shape and a magnetic pole piece part extending from the yoke piece part, such that a pair of iron core pieces are opposed each other and the magnetic pole piece part of one iron core piece is arranged between adjacent magnetic pole piece parts of the other iron core piece among the pair of iron core pieces, simultaneously blanking a front end side of the magnetic pole piece part and a back surface side of the yoke piece part of the one iron core piece from the strip-shaped workpiece before simultaneously blanking those of the other iron core piece from the strip-shaped workpiece, and blanking the iron core pieces from the strip-shaped workpiece.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: July 7, 2020
    Assignees: MITSUI HIGH-TEC, INC., MITSUBISHI ELECTRIC CORPORATION
    Inventors: Akihiro Hashimoto, Masahiko Furuta, Toshio Goto, Yoshihiro Harada, Yoshiro Imazawa
  • Patent number: 10704302
    Abstract: A motor vehicle door lock apparatus includes a meshing mechanism to mesh with a striker, a locking and unlocking mechanism switches between an unlocking state where a meshing can be released and a locking state where a meshing cannot be released, a control unit to authenticate a transmitter signal and to enable an outside operation switch when the transmitter is authenticated with the transmitter situated outside a vehicle, and an electric releasing mechanism to release a meshing as a result of the control unit driving the releasing motor to activate a releasing operation based on the outside operation switch when the control unit authenticates the transmitter, and the control unit switches from an authenticating state to a non-authenticating state when the transmitter outside the vehicle leaves an authenticating area and drives a locking and unlocking motor activating a locking operation when the control unit is switched to the non-authenticating state.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: July 7, 2020
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventor: Mikio Ichinose
  • Publication number: 20200207947
    Abstract: A polymerizable composition for an optical material includes a compound represented by General Formula (1) and a polymerization reactive compound.
    Type: Application
    Filed: July 25, 2018
    Publication date: July 2, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke ITO, Kouji SUESUGI
  • Patent number: 10697210
    Abstract: A vehicle-door opening and closing device includes: a latch unit configured to keep a vehicle door in a half latched state or a fully latched state; a power close mechanism configured to displace the vehicle door from the half latched state to the fully latched state; a power release mechanism configured to release the fully latched state to bring the vehicle door to an openable state; and a drive gear configured to be driven by a motor. The power release mechanism is configured to be actuated with a drive force of the drive gear. A return switch configured to be switched upon driving in a predetermined drive range sufficient to complete actuation of the power release mechanism is placed near the drive gear. The motor is configured to return the drive gear based on a signal from the return switch.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: June 30, 2020
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventor: Shigenori Hiramoto
  • Patent number: 10696627
    Abstract: A process for producing a pentaerythritol mercaptocarboxylic acid ester of the present invention includes: a step of reacting pentaerythritol with a mercaptocarboxylic acid, in which an absorbance of a 5 wt % aqueous solution of the pentaerythritol at a wavelength of 270 nm, which is measured using a quartz cell having an optical path length of 50 mm, is 0.07 or less.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: June 30, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shigetoshi Kuma, Masayuki Furuya, Takeshi Nishimura
  • Patent number: 10696816
    Abstract: The present invention addresses the problem of providing a polyester resin composition for reflective materials which gives a reflective material having a high reflectance. The polyester resin composition for reflective materials comprises: a polyester resin (A) comprising an alicyclic dicarboxylic acid ingredient unit (a1) and an aliphatic diol ingredient unit (b1); and a white pigment (B). The amount of the alicyclic dicarboxylic acid ingredient unit (a1) is 50 mol % or more of the amount of all the dicarboxylic acid ingredient units (a) in the polyester resin (A), and the amount of the aliphatic diol ingredient unit (b1) is 50 mol % or more of the amount of all the diol ingredient units (b) in the polyester resin (A). The alicyclic dicarboxylic acid ingredient unit (a1) comprises the cis and trans forms of cis-trans isomers, the proportion of the cis form determined by NMR being 20 mol % or higher.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: June 30, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kaoru Ohshimizu, Hideto Ogasawara, Hiroki Ebata, Takashi Hama, Fumio Kageyama, Shintaro Mitsunaga, Nobuhiro Takizawa, Akinori Amano
  • Publication number: 20200200945
    Abstract: The lens of the present invention includes an indole-based compound represented by General Formula (1), and a polycarbonate resin having a weight average molecular weight of 40,000 to 60,000, wherein the content of the indole-based compound is 0.01 to 0.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 25, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoshiyuki TOTANI, Kiyohiro SAITO
  • Publication number: 20200203768
    Abstract: Provided is a lithium secondary battery, including: a positive electrode containing a positive electrode active material that contains a lithium transition metal compound X, which is at least one selected from the group consisting of a lithium transition metal composite oxide and a lithium transition metal phosphate, a ratio of Mn in transition metal elements contained in the lithium transition metal compound X being from 0 mol % to less than 50 mol %; a negative electrode; and a nonaqueous electrolyte solution containing a boron compound represented by the following Formula (1): in Formula (1), n represents an integer from 1 to 5, M+ represents an Li+ ion or an H+ ion, and when n is an integer from 2 to 5, more than one M+ may be the same as or different from each other.
    Type: Application
    Filed: August 13, 2018
    Publication date: June 25, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Satoko FUJIYAMA, Kei SUGAWARA
  • Publication number: 20200196600
    Abstract: A pyridone compound represented by Formula (1): wherein R1, R2, X, Y and Z are defined. The pyridone compound can control plant diseases.
    Type: Application
    Filed: April 10, 2018
    Publication date: June 25, 2020
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki UMETANI, Kazuki KITAJIMA, Takeshi FUKUMOTO, Masanori YANAGI, Akihiro NISHIDA, Ryohei NAITO, Koya SAITO, Tomomi SHIRAKAWA, Hikaru KOISHIHARA, Akane SAKURADA, Satoshi YUTANI, Toshiaki OHARA
  • Publication number: 20200204018
    Abstract: A stacked core includes: a stack formed by stacking a plurality of blanked members and including a first end surface and a second end surface; a first distinguishing hole formed in the stack and being open at the first end surface; and a second distinguishing hole formed in the stack and being open at the first end surface. The spatial shape of the first distinguishing hole is different from the spatial shape of the second distinguishing hole.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Applicants: Mitsui High-tec, Inc., HONDA MOTOR CO., LTD.
    Inventors: Akira Hyoguchi, Kenta Uchida
  • Patent number: 10688480
    Abstract: An exhaust gas purifying composition of the present invention contains zeolite that is BEA zeolite having an SiO2/Al2O3 molar ratio of greater than 25 and 600 or less and containing phosphorus. Furthermore, the exhaust gas purifying composition preferably contains zirconium in addition to phosphorus. Furthermore, the zeolite has an SiO2/Al2O3 molar ratio of from 30 to 150. The present invention provides an exhaust gas purifying composition having excellent HC adsorbability for exhaust gas purification in internal combustion engines such as gasoline engines.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: June 23, 2020
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Jo Nishikawa, Satoshi Watanabe, Michitaka Yamaguchi
  • Patent number: 10689477
    Abstract: A polyisocyanate composition contains a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or a modified product of the xylylene diisocyanate and the pentamethylene diisocyanate. The ratio of the pentamethylene diisocyanate with respect to the total amount of the xylylene diisocyanate and the pentamethylene diisocyanate is 5 mol % or more and 40 mol % or less.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: June 23, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Toshihiko Nakagawa, Aya Nakagawa, Shinji Kiyono, Hirokazu Morita, Satoshi Yamasaki
  • Patent number: 10689481
    Abstract: A polyisocyanate composition contains a modified product of xylylene diisocyanate and a modified product of pentamethylene diisocyanate, and/or a modified product of the xylylene diisocyanate and the pentamethylene diisocyanate. The ratio of the pentamethylene diisocyanate with respect to the total amount of the xylylene diisocyanate and the pentamethylene diisocyanate is 60 mol % or more and 95 mol % or less.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: June 23, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Toshihiko Nakagawa, Aya Nakagawa, Shinji Kiyono, Hirokazu Morita, Satoshi Yamasaki
  • Patent number: 10686339
    Abstract: A laminated core includes: a laminate in which 1st to Nth (N is a natural number of two or more) core members are laminated in this order; and a distinguishing mark formed with a marking that is placed on a peripheral surface of the laminate so as to be continuously positioned over all of the 1st to Nth core members.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: June 16, 2020
    Assignee: Mitsui High-tec, Inc.
    Inventors: Go Kato, Yasutaka Oba
  • Publication number: 20200181457
    Abstract: Provided is an adhesive member including: a base material having an uneven shape on at least one surface; and a surface layer covering at least a portion of the surface having the uneven shape on the base material.
    Type: Application
    Filed: July 10, 2018
    Publication date: June 11, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Jun KAMADA, Tomoya MATAYOSHI, Michio ERIGUCHI, Kaichiro HARUTA, Kenichi FUJII, Takashi UNEZAKI, Kazuo KOHMURA