Patents Assigned to Idemitsu Kosan Co., Ltd.
  • Patent number: 10418563
    Abstract: An organic EL device includes an anode, an emitting layer, an electron transporting zone and a cathode in this sequence, in which the electron transporting zone contains an aromatic heterocyclic derivative represented by a formula (1) below. In the formula (1), X1 to X3 are a nitrogen atom or CR1, and A is represented by a formula (2) below. In the formula (2), L1 is s single bond or a linking group, and HAr is represented by a formula (3) below. In the formula (3), Y1 is an oxygen atom, a sulfur atom or the like, and one of X11 to X18 is a carbon atom bonded to L1 by a single bond and the rest of X11 to X18 are a nitrogen atom or CR13.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: September 17, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Sayaka Mizutani, Takayasu Sado
  • Patent number: 10411212
    Abstract: An organic electroluminescence device including: an anode; a cathode; two or more emitting units that are disposed between the anode and the cathode, each unit having an emitting layer; and a charge-generating layer that is disposed between the emitting units, wherein the charge-generating layer comprises an N layer nearer to the anode and a P layer nearer to the cathode, and the P layer comprises a compound represented by the following formula (I).
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: September 10, 2019
    Assignees: IDEMITSU KOSAN CO., LTD., JOLED INC.
    Inventors: Emiko Kambe, Masato Nakamura, Jun Endo, Masakazu Funahashi, Hironobu Morishita
  • Patent number: 10411192
    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: Grant
    Filed: October 10, 2014
    Date of Patent: September 10, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Masakazu Funahashi, Takahiro Fujiyama
  • Patent number: 10407642
    Abstract: The present invention relates to a lubricating oil composition prepared by blending (A) a tertiary amine having a specific structure, (B) a metal-based detergent having a total base number according to a perchloric acid method of 50 mgKOH/g or less, (C) a metal-based detergent having a total base number according to a perchloric acid method of 150 mgKOH/g or more, (D) at least one selected from an acidic phosphate and an acidic phosphite, and (E) a lubricating base oil, which satisfies a requirement (X): the mass ratio of the metal fraction derived from the component (B) to the metal fraction derived from the component (C) (B/C) is 0.60 or less.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: September 10, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masato Yokomizo, Keiichi Narita
  • Publication number: 20190270943
    Abstract: Disclosed herein is a mineral base oil satisfying the following requirements (I) to (V): (I): a kinematic viscosity at 100° C. is 2 mm2/s or more and less than 7 mm2/s; (II): a viscosity index is 100 or more; (III): a temperature gradient ?|?*| of complex viscosity between two points of ?10° C. and ?25° C. is 60 Pa·s/° C. or less as measured with a rotary rheometer under conditions at an angular velocity of 6.3 rad/s and a strain amount of 0.1 to 100%; (IV): a content ratio [R1/R2] of a monocyclo paraffin component (R1) to a dicyclo to hexacyclo paraffin component (R2) is 0.70 or less by a volume ratio as measured in accordance with ASTM D2786; and (V): a % CA is less than 1.0.
    Type: Application
    Filed: December 19, 2017
    Publication date: September 5, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Moritsugu KASAI, Norihiro KURODA
  • Publication number: 20190264129
    Abstract: The lubricating oil composition for a refrigerator of the present invention is used with a refrigerant containing carbon dioxide, and contains a base oil (A) containing a polyoxyalkylene glycol as a major component, and an alcohol (B) having at least one hydroxy group, in which a total number of the hydroxy group and an ether bond is from 2 to 3 (provided that the number of an ether bond may be 0).
    Type: Application
    Filed: November 18, 2016
    Publication date: August 29, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: So NAKAJIMA, Masato KANEKO, Tetsuhiko FUKANUMA, Ryo MATSUBARA, Yuki YOKOI
  • Publication number: 20190264124
    Abstract: Provided are a lubricating oil composition containing a component (A): a succinimide having an alkenyl group or an alkyl group, a component (B): a primary amine having a hydrocarbon group having 12 or more and 24 or less carbon atoms, a component (C): a fatty acid amide compound, and a component (D): an amide compound having a specific structure, and capable of satisfying both a high clutch capacity and a long anti-shudder lifetime; and a lubrication method and a transmission using the composition.
    Type: Application
    Filed: October 19, 2017
    Publication date: August 29, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Keiichi NARITA
  • Patent number: 10396288
    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: Grant
    Filed: September 19, 2014
    Date of Patent: August 27, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Hirokatsu Ito, Masahiro Kawamura, Yumiko Mizuki, Tasuku Haketa, Tomoharu Hayama
  • Publication number: 20190256789
    Abstract: The present invention relates to a refrigerator oil containing a polyvinyl ether-based compound (A) containing a structural unit (a1) having a methoxy group in a side chain thereof in an amount of 30 mol % or more and 100 mol % or less on a basis of 100 mol % of the whole amount of structural units excluding a terminal structural unit in a molecular structure thereof, a refrigerator oil composition containing the refrigerator oil, and a production method of the refrigerator oil.
    Type: Application
    Filed: December 19, 2017
    Publication date: August 22, 2019
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: So NAKAJIMA, Tomoya MATSUMOTO
  • Publication number: 20190259948
    Abstract: A compound represented by formula (1): wherein R1, R2, Ar1, and Ar2 are as defined in the description, realizes an electroluminescence device which is capable of driving at a low voltage and has long lifetime and high efficiency.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 22, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masakazu FUNAHASHI, Takahiro FUJIYAMA
  • Patent number: 10388885
    Abstract: Provided are an amine compound having a benzofluorene structure and further having a dibenzofuran structure and/or a dibenzothiophene structure, and an organic electroluminescent device containing a cathode, an anode and an organic thin film layer intervening between the cathode and anode, the organic thin film layer comprising one layer or plural layers comprising at least an emitting layer, at least one layer of the organic thin film layer comprising the aforementioned amine compound solely or as a component of a mixture.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: August 20, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Hirokatsu Ito, Takeshi Ikeda
  • Patent number: 10385299
    Abstract: The metal-supported zeolite for alcoholic beverages of the present invention is a zeolite that carries a metal component, wherein the metal component is silver, and the zeolite is at least one selected from a beta-type one and a Y-type one. The metal-supported zeolite is for removing unwanted components contained in alcoholic beverages.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 20, 2019
    Assignees: IDEMITSU KOSAN CO., LTD., THE NIKKA WHISKY DISTILLING CO., LTD.
    Inventors: Yoshimi Kawashima, Mitsuko Murata, Shun Fukasawa, Kenji Hosoi, Toshikazu Sugimoto
  • Publication number: 20190248804
    Abstract: Specifically substituted aza-dibenzofurans and aza-dibenzothiophenes of formula (I) and their use in electronic devices, especially electroluminescent devices. When used as charge transport material, charge blocker material and/or host material in electroluminescent devices, the specifically substituted aza-dibenzofurans and aza-dibenzothiophenes may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices and reduced driving voltage of electroluminescent devices. In formula (I) Y is S or O; one of X1-X8 is N; another X1-X8 is C-L(R9)-[X9X10X11]Ring; and the remaining X1-X8 are CR1—CR8 wherein R1-R8 are independently H, alkyl, alkenyl, aryl, etc.
    Type: Application
    Filed: September 4, 2017
    Publication date: August 15, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Annemarie WOLLEB, Heinz WOLLEB, Hideaki NAGASHIMA, Oliver DOSENBACH, Takushi SHIOMI
  • Publication number: 20190241828
    Abstract: To provide a lubricating oil composition that has good detergency irrespective of the small sulfated ash content thereof, and has a good friction reducing capability even after the deterioration thereof. The lubricating oil composition contains a base oil (A), a non-metal-containing sulfur antioxidant (B), and a hindered amine antioxidant (C) having one piperidine-derived skeleton in a molecule, and has a content of the non-metal-containing sulfur antioxidant (B) as converted in terms of sulfur atom of 800 ppm by mass or more based on the total amount of the lubricating oil composition, a content of the hindered amine antioxidant (C) as converted in terms of nitrogen atom of 100 ppm by mass or more and 400 ppm by mass or less based on the total amount of the lubricating oil composition, a sulfated ash content of 0.70% by mass or less, and a total base number of 4.0 mgKOH/g or more.
    Type: Application
    Filed: November 30, 2017
    Publication date: August 8, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hiroshi OKI, Tatsuya KUSUMOTO
  • Publication number: 20190241924
    Abstract: An objective of the present invention is to provide a culturing method, by which Bacillus bacterial spores can be efficiently produced. The present invention provides a method for producing Bacillus bacterial spores, comprising culturing Bacillus bacteria in a liquid medium containing a sugar or a sugar-source raw material at a concentration between 50.1 g/L and 100 g/L at the start of culture, and then in the course of the culture, feeding a fed-batch medium containing a sugar or a sugar-source raw material and a nitrogen-containing compound, and having the weight ratio (C/N ratio) of carbon atoms to nitrogen atoms ranging from 5.5 to 13.5 to the liquid medium.
    Type: Application
    Filed: October 6, 2017
    Publication date: August 8, 2019
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventor: Yuki TSUKAGOSHI
  • Publication number: 20190241827
    Abstract: The present invention relates to: a refrigerator oil containing (A) a mineral oil having a kinematic viscosity at 40° C. of 20.00 mm2/s or less, and (B) one or more selected from the group consisting of a vinyl-based polymer, an olefin-based polymer, a diene-based polymer, and copolymers corresponding to these polymers, each having a weight average molecular weight (Mw) of 300 or more and 500,000 or less, a composition for refrigerator containing the refrigerator oil, and a method for producing the refrigerator oil.
    Type: Application
    Filed: November 22, 2017
    Publication date: August 8, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Masato KANEKO
  • Publication number: 20190245152
    Abstract: An organic electroluminescence device includes an anode, an emitting layer, and a cathode. The emitting layer contains a first compound, a second compound, and a third compound, the first compound being a fluorescent compound, the second compound being a delayed fluorescent compound, the third compound being a compound represented by a formula (3). A singlet energy S1(M1) of the first compound, a singlet energy S1(M2) of the second compound, and a singlet energy S1(M3) of the third compound satisfy a relationship of a Numerical Formula 1. In the formula (3), X1 to X14 each independently represent a nitrogen atom or CR80. XA is NR95, a sulfur atom or an oxygen atom.
    Type: Application
    Filed: February 6, 2019
    Publication date: August 8, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masatoshi SAITO, Toshinari OGIWARA, Kei YOSHIZAKI, Yuichiro KAWAMURA
  • Patent number: 10374253
    Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: August 6, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
  • Patent number: 10374045
    Abstract: A semiconductor device 1 which comprises a pair of an ohmic electrode 20 and a Schottky electrode 10 separated from each other, and a semiconductor layer 30 in contact with the ohmic electrode 20 and the Schottky electrode 10, and which satisfies the following formula (I): n < ? ? ? V e qL 2 ( I ) in which n is a carrier concentration (cm?3) of the semiconductor layer, ? is a dielectric constant (F/cm) of the semiconductor layer, Ve is a forward effective voltage (V) between the ohmic electrode and the Schottky electrode, q is an elementary charge (C), and L is a distance (cm) between the ohmic electrode and the Schottky electrode.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: August 6, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yuki Tsuruma, Takashi Sekiya, Shigekazu Tomai, Emi Kawashima, Yoshihiro Ueoka
  • Publication number: 20190237675
    Abstract: Provided is a novel aromatic amine derivative with specified structure. Also provided is an organic electroluminescence device having one or more organic thin-film layers including at least a luminescent layer interposed between a cathod and an anode, in which at least one of the organic thin-film layers contains the above aromatic amine derivative alone or as a component of mixture. As a result, there is provided an organic electroluminescence device that has high emission luminance and high heat resistance, excelling in high-temperature storage ability and has long life, and provided an aromatic amine derivative for realizing the organic electroluminescence device.
    Type: Application
    Filed: April 12, 2019
    Publication date: August 1, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Makoto KIMURA, Chishio HOSOKAWA, Masakazu FUNAHASHI