Patents Assigned to Idemitsu Kosan Co., Ltd.
  • RESIN COMPOSITION, MOLDED BODY, AND METHOD OF IMPROVING PROPERTY OF RESIN COMPOSITION
    Publication number: 20230357512
    Abstract: A resin composition comprising a polycarbonate-polyorganosiloxane copolymer (A) comprising a polycarbonate block (A-1) comprising a repeating unit represented by the following general formula (I) and a polyorganosiloxane block (A-2) comprising a repeating unit represented by the following general formula (II); and carbon fibers (B), the carbon fibers (B) being carbon fibers to which a compound having an epoxy group is attached:
    Type: Application
    Filed: June 4, 2021
    Publication date: November 9, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takeshi MATSUDA, Hiroshi YASUDA
  • WATER-SOLUBLE METALWORKING FLUID
    Publication number: 20230348810
    Abstract: A water-soluble metalworking oil may include 0.7% by mass or more of 2-phenoxyethanol (A), based on the total water-soluble metalworking oil mass. A content of petroleum sulfonate may be less than 10 parts by mass, based on 100 parts by mass of the 2-phenoxyethanol (A). The 2-phenoxyethanol (A) may be present in a range of from 0.7 to less than 5.0% by mass. The water-soluble metalworking oil may further include: an amine, a fatty acid (C), and/or a nonionic surfactant (D).
    Type: Application
    Filed: July 9, 2021
    Publication date: November 2, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tomoaki OKANO, Keiji ASADA
  • Grease composition
    Patent number: 11802254
    Abstract: A grease composition may be used for speed reducers and speed increasers, being excellent in both torque transmission efficiency and leak prevention performance. The grease composition may contain a base oil (A) and a urea-based thickener (B), which is used for speed reducers and speed increasers, wherein the particles containing the urea-based thickener (B) in the grease composition satisfy the following requirement (I). Requirement (I): the area-based arithmetic average particle diameter of the particles is 2.0 ?m or less, as measured by a laser diffraction/scattering method.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: October 31, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Akihiro Shishikura
  • COMPOUND, ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ELECTRONIC DEVICE
    Publication number: 20230345816
    Abstract: A compound represented by the formula (12X). In the formula (12X), Py1 and Py2 each independently represent a substituted or unsubstituted 1-pyrenyl group, L1 and L2 each independently represent a substituted or unsubstituted phenylene group or a substituted or unsubstituted naphthylene group. When L1 and L2 each independently represent a substituted or unsubstituted phenylene group, -L1-L2- in the formula (12X) represents a group represented by one of the formulae (13-1) to (13-6), (10-1), (20-1), and (30-1). When L1 and L2 each independently represent a substituted or unsubstituted naphthylene group, a bonding position of the naphthylene group in L1 is different from a bonding position of the naphthylene group in L2.
    Type: Application
    Filed: November 26, 2020
    Publication date: October 26, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yuki NAKANO, Taro YAMAKI, Hiroaki ITOI, Takamoto MORITA, Tomoki KATO, Nozomi TAJIMA, Satomi TASAKI, Kazuki NISHIMURA
  • RESIN, RESIN PRECURSOR COMPOSITION, COATING COMPOSITION, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, MOLDED ARTICLE, ELECTRONIC DEVICE, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR PRODUCTION METHOD
    Publication number: 20230340194
    Abstract: At least one resin selected from the group consisting of aromatic polycarbonates and polyarylates has a bond between polymer chains formed by Diels-Alder reaction.
    Type: Application
    Filed: April 1, 2021
    Publication date: October 26, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takaaki HIKOSAKA, Kazunori CHIBA, Kengo HIRATA
  • Transition metal compound and method for producing olefin polymer
    Patent number: 11795188
    Abstract: A transition metal compound from Periodic Table Group 3 to 10 or lanthanide, of formula (I): In formula (I), A1 and A2 are independently a crosslinker of formula (II) X is a ? or ?-bonding ligand, and plural Xs may differ; Y is a Lewis base, and plural Ys may differ and/or crosslink with Y or X; q is an integer from 1 to 5, representing [(valence of M)?2]; r is an integer from 0 to 3; M is a metal from Group 3 to 10 or a lanthanide; n and m are independently an integer from 0 to 4; and plural Rs may differ. In formula (II), E is C, Si, Ge, or Sn; R1 and R2 are independently a H, a halogen, or a C1 to C20 hydrocarbon, optionally halogenated, and may bond together to form a ring, and e is an integer from 1 to 4.
    Type: Grant
    Filed: September 2, 2019
    Date of Patent: October 24, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Takuji Okamoto
  • Compound having naphthobenzofuranyl structure, material for organic electroluminescence device, organic electroluminescence device, and electronic instrument
    Patent number: 11795155
    Abstract: A compound represented by the following formula (1): The R1 to R9, L1 to L3, and Ar1 to Ar2 in the formula (1) are as defined in the description. An organic electroluminescence device contains the compound, and an electronic instrument includes the organic electroluminescence device.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: October 24, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yusuke Takahashi, Tasuku Haketa, Shota Tanaka
  • LUBRICATING OIL COMPOSITION
    Publication number: 20230332067
    Abstract: A lubricating oil composition contains a base oil (A), a zinc dithiophosphate (B), and a sarcosine compound (C), the composition having a content of the sarcosine compound (C) of more than 0.05% by mass and 0.40% by mass or less based on the entire amount of the lubricating oil composition, and satisfying requirement (?) or (?): Requirement (?): when the content of the sarcosine compound (C) is more than 0.05% by mass and less than 0.20% by mass based on the lubricating oil composition, one or more phosphorus compounds (D) selected from an acidic phosphoric acid ester (D1) and an amine salt thereof (D2) are optionally contained; Requirement (?): when the content of the sarcosine compound (C) is 0.20% to 0.40% by mass based on the lubricating oil composition, the phosphorus compound (D) is contained in an amount less than 0.50% by mass based on the lubricating oil composition.
    Type: Application
    Filed: December 13, 2021
    Publication date: October 19, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Daisuke TAKEKAWA, Kentaro KOJIMA
  • METHOD FOR PRODUCING ATOMIZATION SULFIDE SOLID ELECTROLYTE, ATOMIZATION SULFIDE SOLID ELECTROLYTE, ELECTRODE MIXTURE AND LITHIUM ION BATTERY
    Publication number: 20230335788
    Abstract: Provided are a method for producing an atomization sulfide solid electrolyte, including atomizing a raw material sulfide solid electrolyte together with a specific ketone compound, the raw material sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom; an atomization sulfide solid electrolyte; an electrode mixture containing the atomization sulfide solid electrolyte and an electrode active material; and a lithium ion battery containing at least one of the atomization sulfide solid electrolyte and the electrode mixture.
    Type: Application
    Filed: March 20, 2023
    Publication date: October 19, 2023
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kenji MORIYAMA, Shinji TANAKA, Katsuhito KONDO, Hironari KIMPARA, Atsushi YAO
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20230329025
    Abstract: An organic electroluminescence device includes: an emitting zone provided between an anode and a cathode; and a hole transporting zone provided between the anode and the emitting zone. The emitting zone includes at least one emitting layer, and a first host material, a second host material, and an emitting compound are contained in a single emitting layer included in the at least one emitting layer. The first host material and the second host material are each independently a compound represented by a formula (1). The first host material and the second host material are mutually different. At least one organic layer included in the hole transporting zone contains a third compound represented by a formula (EB1).
    Type: Application
    Filed: March 13, 2023
    Publication date: October 12, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hiroaki ITOI, Yusuke TAKAHASHI, Shota TANAKA, Takuto FUKAMI, Tsukasa SAWATO
  • POLYCARBONATE RESIN COMPOSITION AND MOLDED ITEM THEREOF
    Publication number: 20230323026
    Abstract: The present invention provides a polycarbonate-based resin composition, including: a polycarbonate-based resin (S) containing a polycarbonate-polyorganosiloxane copolymer (A), which contains a polycarbonate block (A-1) formed of a specific repeating unit and a polyorganosiloxane block (A-2) containing a specific repeating unit; and a copolymer (B) including a constituent unit (b-1) having a specific structure, a constituent unit (b-2) having a specific structure, and a constituent unit (b-3) having a specific structure.
    Type: Application
    Filed: July 30, 2021
    Publication date: October 12, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yuichi YAMASHITA, Nobuhiro WATANABE
  • COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
    Publication number: 20230322673
    Abstract: A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.
    Type: Application
    Filed: June 13, 2023
    Publication date: October 12, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Satomi TASAKI, Masahiro KAWAMURA, Toshinari OGIWARA, Hitoshi KUMA, Kei YOSHIDA, Keiji OKINAKA
  • PRODUCTION METHOD FOR SULFIDE SOLID ELECTROLYTE
    Publication number: 20230317920
    Abstract: Provided is a production method for a sulfide solid electrolyte capable of preventing generation of a hydrogen sulfide gas even when brought into contact with moisture while capable of preventing reduction in ionic conductivity, the method includes mixing a raw material inclusion containing at least two raw materials, the raw material inclusion contains at least one selected from a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, and the raw material inclusion contains modified P2S5. Also provided are the sulfide solid electrolyte produced by the method, an electrode mixture, a lithium ion battery, and a modified P2S5 for production of a sulfide solid electrolyte.
    Type: Application
    Filed: March 7, 2023
    Publication date: October 5, 2023
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventors: Yusuke ISEKI, Atsushi Sato
  • COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
    Publication number: 20230312501
    Abstract: A compound represented by the following formula (1): The R1 to R9, L1 to L3, and Ar1 to Ar2 in the formula (1) are as defined in the description. An organic electroluminescence device contains the compound, and an electronic instrument includes the organic electroluminescence device.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 5, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yusuke TAKAHASHI, Tasuku HAKETA, Shota TANAKA
  • THERMOPLASTIC RESIN COMPOSITION
    Publication number: 20230312899
    Abstract: A thermoplastic resin composition comprising a thermoplastic resin (A), a polyarylene ether modified with a functional group (B), a coupling agent (C), and carbon fibers (D).
    Type: Application
    Filed: August 20, 2021
    Publication date: October 5, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Ken SUDO, Hiroshi YASUDA, Yohei KOORI
  • PROPYLENE RESIN COMPOSITION
    Publication number: 20230303813
    Abstract: A propylene resin composition containing a propylene homopolymer that satisfies conditions (1) to (3) described below, and having a semicrystallization time (t1/2) of 60 seconds or more: (1) having a melting point (Tm-D) of 120° C. or lower; (2) having a molecular weight distribution (Mw/Mn) less than 3.0; (3) having a melt viscosity at 190° C. of 30,000 mPa·s or less.
    Type: Application
    Filed: August 25, 2021
    Publication date: September 28, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Nozomu FUJII, Masaki OKANO, Asami KOGA
  • COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC ELECTROLUMINESCENCE DEVICE, AND ELECTRONIC APPARATUS
    Publication number: 20230309380
    Abstract: A compound represented by the following formula (1).
    Type: Application
    Filed: September 30, 2022
    Publication date: September 28, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Sayaka MIZUTANI, Masato MITANI, Ryota TAKAHASHI, Masatoshi SAITO
  • Composition, method for producing conductive film, conductive film, capacitor
    Patent number: 11767399
    Abstract: A composition comprising: (a) a conductive polymer, (b) a resin having a solubility parameter of 9.0 to 12.0 (cal/cm3)1/2, (c) a solvent, and (d) a phenolic compound.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: September 26, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shingo Onodera, Toru Bando
  • Oxide semiconductor substrate and schottky barrier diode
    Patent number: 11769840
    Abstract: A schottky barrier diode element having a silicon (Si) substrate, an oxide semiconductor layer and a schottky electrode layer, wherein the oxide semiconductor layer includes a polycrystalline and/or amorphous oxide semiconductor having a band gap of 3.0 eV or more and 5.6 eV or less.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: September 26, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Shigekazu Tomai, Masatoshi Shibata, Emi Kawashima, Koki Yano, Hiromi Hayasaka
  • ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT LIGHT-EMITTING DEVICE, AND ELECTRONIC EQUIPMENT
    Publication number: 20230301188
    Abstract: An organic electroluminescence device includes: an anode; a cathode; an emitting layer provided between the anode and the cathode; and a first layer provided between the emitting layer and the cathode, in which the first layer contains a first compound having at least one deuterium atom, and the emitting layer contains a delayed fluorescent compound.
    Type: Application
    Filed: July 27, 2021
    Publication date: September 21, 2023
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takushi SHIOMI, Hisato MATSUMOTO, Toshinari OGIWARA