Patents Assigned to Idemitsu Kosan Co.
  • Nitrogen-containing aromatic heterocyclic derivative and organic electroluminescence device using the same
    Patent number: 9382206
    Abstract: A nitrogen-containing aromatic heterocyclic derivative represented by the following formula, wherein X1 to X3 are a single bond, CRaRb, NRc, an oxygen atom or a sulfur atom, and when all of X1 to X3 is a single bond, at least one of Ara, Arb and Arc is an aryl group having 6 to 20 ring carbon atoms substituted with a heteroaryl group, an aryloxy group or a heteroaryloxy group, or a substituted or unsubstituted heteroaryl group having 5 to 20 ring atoms.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: July 5, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Kazuki Nishimura, Chishio Hosokawa, Masaki Numata, Hideaki Nagashima
  • Polyaniline composite, method for producing same, and composition
    Patent number: 9384866
    Abstract: A polyaniline composite including substituted or unsubstituted polyaniline molecules and a proton donar, the polyaniline molecules being doped with the proton donar, the composite having a chlorine content of 0.6 wt % or less and the composite satisfying the following formula (1): P10000/PALL?0.15??(1) wherein P10000 is the total sum of the weights of the polyaniline molecules contained in the polyaniline composite having a molecular weight of 10000 or less; and PALL is the total sum of the weights of all polyaniline molecules contained in the polyaniline composite.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: July 5, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yosuke Jibiki, Toru Bando, Sumihiro Oda
  • LUBRICATING OIL COMPOSITION FOR SHOCK ABSORBER
    Publication number: 20160186090
    Abstract: The lubricating oil composition for a shock absorber of the present invention contains (A) a base oil composed of a mineral oil and/or a synthetic oil, (B) a tertiary amine represented by the following general formula (I), and (C) a zinc dithiophosphate represented by the following general formula (II): wherein R1 and R2 each independently represent an aliphatic hydrocarbon group having from 1 to 5 carbon atoms, and R3 represents an aliphatic hydrocarbon group having from 12 to 24 carbon atoms in the general formula (I), wherein R4 to R7 each independently represent one selected from an alkyl group and an alkenyl group each having 1 to 24 carbon atoms in the general formula (II).
    Type: Application
    Filed: August 25, 2014
    Publication date: June 30, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Shuichi SAKANOUE, Aya AOKI
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC DEVICE
    Publication number: 20160190469
    Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound. The first compound is a delayed-fluorescent compound. The second compound is represented by a formula (2) below, in which X is a nitrogen atom or a carbon atom bonded to Y; R21 to R26 are each independently a hydrogen atom or a substituent; Z21 and Z22 are each independently selected from the group consisting of a halogen atom, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, and a substituted or unsubstituted aryloxy group.
    Type: Application
    Filed: October 6, 2015
    Publication date: June 30, 2016
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Toshinari Ogiwara, Kei Yoshida, Yuichiro Kawamura
  • LUBRICATING OIL COMPOSITION
    Publication number: 20160186091
    Abstract: A lubricating oil composition contains: a first base oil with a kinematic viscosity at 100 degrees C. in a range from 1.5 mm2/s to 3.5 mm2/s; a second base oil with a kinematic viscosity at 100 degrees C. in a range more than 3.5 mm2/s but not more than 100 mm2/s; polymethacrylate with a mass average molecular weight in a range from 1×104 to 4×104; and a sulfur compound. The lubricating oil composition has a kinematic viscosity at 100 degrees C. in a range from 5 mm2/s to 6 mm2/s and a viscosity index of 200 or more.
    Type: Application
    Filed: March 3, 2016
    Publication date: June 30, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Keiichi NARITA
  • ORGANIC ELECTROLUMINESCENCE COMPOSITION, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, SOLUTION OF MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ORGANIC ELECTROLUMINESCENCE ELEMENT
    Publication number: 20160190477
    Abstract: An organic electroluminescence composition including two or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability; an organic electroluminescence composition including one or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability and a different compound having an electron transporting skeleton; and a material for organic electroluminescence devices, a solution of a material for organic electroluminescence devices and an organic electroluminescence device, each including the aromatic heterocyclic derivative.
    Type: Application
    Filed: August 8, 2014
    Publication date: June 30, 2016
    Applicants: IDEMITSU KOSAN CO., LTD., SONY CORPORATION
    Inventors: Hironori KAWAKAMI, Masakazu FUNAHASHI, Tadahiko YOSHINAGA, Hiroaki TOYOSHIMA
  • AROMATIC AMINE COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20160181526
    Abstract: An aromatic amine derivative having a specific structure, an organic electroluminescence device, and an electronic equipment are provided. The organic electroluminescence device includes organic thin film layers which include a light emitting layer and are disposed between a cathode and an anode. At least one layer of the organic thin film layers includes the aromatic amine derivative. The organic electroluminescence device can be operated at low driving voltage and has high efficiency. The compound achieves the above organic electroluminescence device.
    Type: Application
    Filed: October 10, 2014
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki KATO, Masakazu FUNAHASHI, Takahiro FUJIYAMA
  • COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
    Publication number: 20160181525
    Abstract: A compound represented by formula (A-0) or (B-0) is useful as a material for organic EL devices which realizes an organic EL device exhibiting high emission efficiency even when driving at a low voltage and has a long lifetime: wherein R1 to R4, n1, m2, k3, k4, L0 to L2, Ar1, and Ar2 are as defined in the description.
    Type: Application
    Filed: July 13, 2015
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki KATO, Nobuhiro YABUNOUCHI, Masakazu FUNAHASHI, Takahiro FUJIYAMA
  • AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
    Publication number: 20160181527
    Abstract: An aromatic amine derivative represented by the following formula (1): wherein at least one of R1 to R8 is a group other than a hydrogen atom, Ar1 to Ar4 are a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko MIZUKI, Masahiro KAWAMURA, Sayaka MIZUTANI
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20160181543
    Abstract: An organic EL device with high emission efficiency, an electronic equipment including the organic EL device, and a compound providing the organic EL device are provided.
    Type: Application
    Filed: September 19, 2014
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hirokatsu ITO, Masahiro KAWAMURA, Yumiko MIZUKI, Tasuku HAKETA, Tomoharu HAYAMA
  • COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
    Publication number: 20160181564
    Abstract: A compound of the invention is represented by a formula (1) below. In the formula (1), Cz is represented by a formula (1a) below and Az is represented by a formula (11) below.
    Type: Application
    Filed: November 13, 2014
    Publication date: June 23, 2016
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Tomoharu HAYAMA, Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tasuku HAKETA
  • ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
    Publication number: 20160181542
    Abstract: An anthracene derivative is represented by the following formula (1). In the formula (1), one of R11 to R20 is used to bond to L1, and is a single bond. The remainder of R11 to R20 that are not used to bond to L1 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, or the like. L1 is a single bond, a substituted or unsubstituted divalent aromatic hydrocarbon group including 6 to 50 ring carbon atoms, or the like. Z has a structure represented by the following formula (2). In the formula (2), one of R1, R3, and R4 is used to bond to L1, and is a single bond. The remainder of R1, R3, and R4 that are not used to bond to L1, R2, and R5 to R10 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, or the like.
    Type: Application
    Filed: September 3, 2014
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Yumiko MIZUKI, Hirokatsu ITO, Tomoharu HAYAMA, Tasuku HAKETA
  • METHOD FOR MANUFACTURING GREASE
    Publication number: 20160177214
    Abstract: A grease manufacturing method includes: mixing a first base oil containing a first thickener precursor and a second base oil containing a second thickener precursor to prepare a mixture; applying a shear rate of 102 s?1 or more to the mixture; and mixing and dispersing the first thickener precursor and the second thickener precursor for reaction to prepare a thickener.
    Type: Application
    Filed: August 4, 2014
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Yoshiyuki SUETSUGU
  • COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC ELECTROLUMINESCENCE DEVICE, AND ELECTRONIC EQUIPMENT
    Publication number: 20160176801
    Abstract: A compound represented by formula (A-0) or (B-0) is useful as a material for organic EL devices which realizes an organic EL device exhibiting high emission efficiency even when driving at a low voltage and has a long lifetime: wherein R1 to R10, n1, m2, k3, k4, n5, m6, k7, k8, L0 to L2, and Ar are as defined in the description.
    Type: Application
    Filed: July 13, 2015
    Publication date: June 23, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki KATO, Nobuhiro YABUNOUCHI, Masakazu FUNAHASHI, Takahiro FUJIYAMA
  • Polycarbonate-polyorganosiloxane copolymer and method for continuously producing same
    Patent number: 9371419
    Abstract: Provided are a polycarbonate-polyorganosiloxane copolymer having a carbon tetrachloride concentration of less than 4 ppm by mass, and the following production method for producing the polycarbonate-polyorganosiloxane copolymer.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: June 21, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yukiko Nagao, Yasuhiro Ishikawa, Hiroaki Motegi
  • Biscarbazole derivatives and organic electroluminescence device employing the same
    Patent number: 9373802
    Abstract: Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: June 21, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Tomoki Kato, Kumiko Gorai, Kazuki Nishimura, Takayasu Sado
  • Anthracene derivative and organic electroluminescent element using the same
    Patent number: 9373792
    Abstract: An anthracene derivative represented by the following formula (1): In the formula (1), Z is a structure represented by the following formula (2).
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: June 21, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro Kawamura, Chishio Hosokawa, Masaki Numata
  • ORGANIC ELECTROLUMINESCENT ELEMENT, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, AND ELECTRONIC DEVICE
    Publication number: 20160172602
    Abstract: An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a compound represented by a formula (1) below. The second compound has a larger singlet energy than a singlet energy of the first compound. The third compound is a fluorescent compound.
    Type: Application
    Filed: June 19, 2015
    Publication date: June 16, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshinari OGIWARA, Kei YOSHIDA, Satomi TASAKI
  • NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT PRODUCED USING SAME
    Publication number: 20160172604
    Abstract: A compound represented by the following formula (1): wherein in the formula, L1 is a single bond or a linking group, A is a group represented by the following formula (A), B is a group represented by the following formula (B), m is an integer of 1 to 3, and n is an integer of 1 to 4.
    Type: Application
    Filed: July 23, 2014
    Publication date: June 16, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi IKEDA, Akinori YOMOGITA, Masahiro KAWAMURA, Hidetoshi ONO
  • ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
    Publication number: 20160172601
    Abstract: An object of the invention is to provide a high-performance organic electroluminescence device and an electronic device including the organic electroluminescence device. An organic electroluminescence device includes an anode, a cathode and an emitting layer, in which the emitting layer includes a first compound and a second compound, the first compound is a delayed fluorescent compound, and the second compound is represented by a formula (2) below.
    Type: Application
    Filed: December 11, 2015
    Publication date: June 16, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yuichiro KAWAMURA, Toshinari OGIWARA