Patents Assigned to Idemitsu Kosan Co., Ltd.
  • COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT
    Publication number: 20230145611
    Abstract: A compound represented by the following formula (1), wherein at least one of Ra to Rd is a substituted or unsubstituted biphenyl-2-yl group; and at least one of Ra to Rd has a specific substituent.
    Type: Application
    Filed: February 19, 2021
    Publication date: May 11, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yuki NAKANO, Ryota TAKAHASHI, Yoshinao SHIRASAKI, Yu KUDO
  • HETEROCYCLIC COMPOUND AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE HETEROCYCLIC COMPOUND
    Publication number: 20230137925
    Abstract: Heterocyclic compounds of the general structure (I) below with substituents as defined herein, and materials including one or more such compounds, preferably emitter materials, may be used for an organic electroluminescence device. An organic electroluminescence device may include one or more such specific heterocyclic compounds, as may electronic equipment and a light emitting layer further having at least one host and at least one dopant, wherein the dopant may have at least one of the specific heterocyclic compounds.
    Type: Application
    Filed: June 18, 2021
    Publication date: May 4, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD
    Inventors: Thomas SCHAEFER, Pierre BOUFFLET, Sigma HASHIMOTO, Chao-Chen LIN
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND NOVEL COMPOUND
    Publication number: 20230128708
    Abstract: An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).
    Type: Application
    Filed: December 12, 2022
    Publication date: April 27, 2023
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota TAKAHASHI, Hidetsugu IKEDA, Keita SEDA, Yuki NAKANO
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20230127629
    Abstract: An organic electroluminescent device includes a cathode, an anode, and organic layers intervening between the cathode and the anode, where the organic layers include a light emitting layer and an electron transporting layer, where the electron transporting layer contains a compound A represented by formula (1), and the light emitting layer contains a host material B represented by formula (10):
    Type: Application
    Filed: February 4, 2021
    Publication date: April 27, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kei YOSHIDA, Masatoshi SAITO, Masato NAKAMURA, Tetsuya MASUDA
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20230127217
    Abstract: An organic electroluminescence device (1) includes an anode (3), a cathode (4), and an emitting layer disposed between the anode (3) and the cathode (4). The emitting layer includes a first emitting layer (51) and a second emitting layer (52). The first emitting layer (51) contains, as a first host material, a first compound that has at least one group represented by a formula (11) below and that is represented by a formula (1) below, where at least one of R101 to R112 is a group represented by the formula (11).
    Type: Application
    Filed: December 25, 2020
    Publication date: April 27, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Satomi TASAKI, Kazuki NISHIMURA, Yuki NAKANO
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20230126981
    Abstract: An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 27, 2023
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshinari OGIWARA, Kei YOSHIDA, Ryohei HASHIMOTO, Yumiko MIZUKI
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20230126868
    Abstract: An organic electroluminescence device includes: an emitting layer between an anode and a cathode; and a first layer between the cathode and the emitting layer, in which the first layer has a thickness of 50 nm or more, the first layer contains a compound represented by a formula (1) below, and the first layer contains no metal doping material. In the formula (100), A is a substituted or unsubstituted fused aryl group having 13 to 50 ring carbon atoms, or a substituted or unsubstituted fused heterocyclic group having 14 to 50 ring atoms.
    Type: Application
    Filed: February 22, 2021
    Publication date: April 27, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Emiko KAMBE, Masatoshi SAITO, Masato NAKAMURA
  • GREASE COMPOSITION
    Publication number: 20230128223
    Abstract: A grease composition may contain a base oil (A) and a urea-based thickener (B). Particles containing the urea-based thickener (B) in the grease composition may satisfy requirement (I). The base oil (A) may be a mixed base oil containing a high-viscosity base oil (A1) having a kinematic viscosity at 40° C. of 250 mm2/s to 550 mm2/s, a low-viscosity base oil (A2) having a kinematic viscosity at 40° C. of 5.0 mm2/s to 110 mm2/s, and an ultra-high viscosity hydrocarbon-based synthetic oil (A3) having a number average molecular weight (Mn) of 2,500 to 4,500 and a kinematic viscosity at 40° C. of 25,000 mm2/s to 50,000 mm2/s. The base oil (A) may have a kinematic viscosity at 40° C. of 25 mm2/s to 105 mm2/s and a viscosity index of 120 or more. Both low-temperature characteristics and a lubricating life can be achieved.
    Type: Application
    Filed: March 16, 2021
    Publication date: April 27, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventor: Go WATANABE
  • Sulfide solid electrolyte
    Patent number: 11637312
    Abstract: A sulfide solid electrolyte containing the following (A) and (B): (A) a sulfide solid electrolyte having an argyrodite-type crystal structure; and (B) a sulfide solid electrolyte having a crystal structure different from the argyrodite-type crystal structure of the above-mentioned (A).
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: April 25, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Atsushi Sato, Kota Terai, Futoshi Utsuno
  • LUBRICANT OIL COMPOSITION, DIESEL ENGINE WITH MOUNTED SUPERCHARGER, AND METHOD FOR USING LUBRICATING OIL COMPOSITION
    Publication number: 20230122231
    Abstract: A lubricating oil composition may include a base oil (A), succinimide (B) which has not been modified with boron, succinimide (C) modified with boron, a metallic detergent (D), and an antioxidant (E), wherein the ratio of the content of boron atoms derived from ingredient (C) to the content of nitrogen atoms derived from ingredients (B) and (C), B/N, is 0.30 or less by mass, the lubricating oil composition satisfying requirement (I) and/or requirement (II). Requirement (I): Ingredient (D) includes a metallic detergent (D1) having a base value less than 100 mgKOH/g. Requirement (II): Ingredient (E) includes an amine-based antioxidant (E1), the content of ingredient (E1) being 1.00 mass % or less.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 20, 2023
    Applicant: Idemitsu Kosan Co.,Ltd.
    Inventor: Akinori YOMOGITA
  • COMPOUND, MATERIAL FOR AN ORGANIC ELECTROLUMINESCENCE DEVICE AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE COMPOUND
    Publication number: 20230120308
    Abstract: Specific compounds represented by formula (I), a material for an organic electroluminescence device comprising said specific compound, an organic electroluminescence device comprising said specific compound, an electronic equipment comprising said organic electroluminescence device and the use of said compounds in an organic electroluminescence device.
    Type: Application
    Filed: July 28, 2022
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Michelle GROARKE, Hiroaki TOYOSHIMA, Masatoshi SAITO, Natalia CHEBOTAREVA
  • HEAT TREATMENT OIL COMPOSITION
    Publication number: 20230119812
    Abstract: A quench oils composition containing a sulfur compound capable of improving the brightness of a metal material after a heat treatment, such as quenching, while preventing the sulfur content from being excessively increased. This is achieved by a quench oils composition containing one or more base oil selected from a mineral oil, a synthetic oil, and a vegetable oil, and one or more sulfur-containing aromatic compound selected from a particular sulfide compound and a particular sulfone compound.
    Type: Application
    Filed: February 3, 2021
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventor: Takahito SUGIURA
  • GREASE COMPOSITION
    Publication number: 20230124121
    Abstract: A grease composition which contains a base oil (A), a urea-based thickener (B), a sarcosine derivative (C), and a fatty acid zinc salt (D), wherein particles containing the urea-based thickener (B) in the grease composition satisfies Requirement (I). The base oil (A) is a blended base oil containing a high viscosity hydrocarbon-based synthetic oil having a specific kinematic viscosity (A1). A low viscosity hydrocarbon-based synthetic oil having a specific kinematic viscosity (A2). An ultra-high viscosity hydrocarbon-based synthetic oil has a number average molecular weight (Mn) of 2,500 to 4,500 and a specific kinematic viscosity (A3). A 40° C. kinematic viscosity of the base oil (A) is 500 mm2/s to 1,500 mm2/s. A viscosity index of the base oil (A) is 140 or more. A content of the fatty acid zinc salt (D) is 10 mass % to 20 mass % based on a total amount of the grease composition.
    Type: Application
    Filed: March 16, 2021
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventor: Go WATANABE
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20230123637
    Abstract: An organic EL device includes: an anode; a cathode; an anode side emitting unit; a cathode side emitting unit; a charge generating unit; a first organic layer having a thickness of 40 nm or less; and a second organic layer, in which the anode side emitting unit includes a first emitting layer which is provided close to the anode, a difference between an ionization potential Ip(H1) of a first host material in the first emitting layer and an ionization potential Ip(EBL) of a first organic material in the first organic layer satisfies a relationship of a numerical formula (Numerical Formula A1) below, Ip(H1)?Ip(EBL)?0.4 eV??(Numerical Formula A1).
    Type: Application
    Filed: August 11, 2022
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Masato NAKAMURA, Emiko KAMBE
  • LUBRICANT COMPOSITION
    Publication number: 20230120889
    Abstract: A lubricating oil composition containing a phosphite ester derivative (A) having at least one alkyl group having 1 to 20 carbon atoms in which one —CH2— group is substituted with a —S— group, and a thiadiazole derivative (B). A method of lubricating an electric drive unit with the lubricating oil composition and an electric drive unit including the lubricating oil composition.
    Type: Application
    Filed: March 25, 2021
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kazushige MATSUBARA, Hiroyuki TATSUMI
  • LUBRICANT OIL COMPOSITION, INTERNAL COMBUSTION ENGINE, AND METHOD FOR USING LUBRICANT OIL COMPOSITION
    Publication number: 20230122943
    Abstract: A lubricating oil composition containing a base oil (A), a comb-shaped polymer (B), and an olefin-based copolymer (C), wherein a content of the component (B) is more than 0.80 mass % based on the total amount of the lubricating oil composition, a weight average molecular weight of the component (C) is 500,000 or more, and the lubricating oil composition has a viscosity index of 200 or more and a kinematic viscosity at 100° C. of 9.3 to 11.0 mm2/s.
    Type: Application
    Filed: March 12, 2021
    Publication date: April 20, 2023
    Applicant: Idemitsu Kosan Co.,Ltd.
    Inventor: Akinori YOMOGITA
  • COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
    Publication number: 20230124891
    Abstract: A compound represented by the following formula (1) and having a molecular weight of 650 or more: wherein Cz, n, Y1, Y2, Ar1, Ar2, L1, L2, L3, L4, R1, R2, R3, R4, R5, and R6 are as defined in the description, and an organic electroluminescent device which contains the compound.
    Type: Application
    Filed: February 4, 2021
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Kei YOSHIDA, Masatoshi SAITO, Masato NAKAMURA, Tetsuya MASUDA
  • COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ELECTRONIC DEVICE
    Publication number: 20230118654
    Abstract: A compound that further improves the performance of an organic EL device, an organic electroluminescent device having a further improved device performance, and an electronic device including the organic EL device are provided, and a compound represented by the following formula (1) (the symbols in the formula are defined in the description), an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device are provided.
    Type: Application
    Filed: February 3, 2021
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Yusuke TAKAHASHI, Shota TANAKA, Hirokatsu ITO
  • COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
    Publication number: 20230120404
    Abstract: A compound represented by the following formula (1) (wherein the symbols are as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.
    Type: Application
    Filed: January 15, 2021
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Shota TANAKA, Tasuku HAKETA, Yusuke TAKAHASHI
  • COMPOUND, MATERIAL FOR AN ORGANIC ELECTROLUMINESCENCE DEVICE AND AN ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE COMPOUND
    Publication number: 20230123170
    Abstract: A compound represented by formula (I), a material for an organic electroluminescence device having the specific compound, an organic electroluminescence device of the specific compound, an electronic equipment having the organic electroluminescence device and the use of the compound of formula (I) in an organic electroluminescence device, where in formula (I), R1 and R1? each independently represent a C1 to C6 alkyl group; R2 represents a substituted or unsubstituted C6 to C24 aryl group, a substituted or unsubstituted heteroaryl group having 3 to 9 carbon atoms, or CN; L represents a substituted or unsubstituted C6 to C40 arylene group; m is 0 to 5; and n is 1, 2 or 3:
    Type: Application
    Filed: February 5, 2021
    Publication date: April 20, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Heinz WOLLEB, Michelle GROARKE, Fabrice ECKES, Masatoshi SAITO, Kei YOSHIDA, Natalia CHEBOTAREVA