Patents Assigned to Idemitsu Kosan Co., Ltd.
  • Publication number: 20140183500
    Abstract: A fused amine compound including a furan ring or a thiophene ring and an organic electroluminescence device employing the amine compound. The organic electroluminescence device includes a cathode, an anode, and one or more organic thin film layers which are disposed between the cathode and the anode. The organic thin film layers include a light emitting layer and at least one layer of the organic thin film layers includes at least one amine compound.
    Type: Application
    Filed: December 26, 2013
    Publication date: July 3, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yoichi IKEDA, Hirokatsu Ito, Masahiro Kawamura, Hiroyuki Saito, Takeshi Ikeda
  • Publication number: 20140183504
    Abstract: A heteroarene derivative including a nitrogen-boron coordinate bond, represented by the following formula (1). In the formula (1). Z1 is a group represented by the following formula (2); Z2 is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms or a substituted or unsubstituted heteroaryl group including 5 to 30 ring atoms; L is a substituted or unsubstituted arylene including 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene including 5 to 30 ring atoms, —O—, —S—, —(CR2R3)n— (wherein n is an integer of 1 to 8).
    Type: Application
    Filed: December 27, 2013
    Publication date: July 3, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Takushi SHIOMI, Kazuki NISHIMURA
  • Publication number: 20140187459
    Abstract: The invention provides a dialkyl ether represented by the following formula (1): (wherein each of R1 and R2 represents a C1 to C20 alkyl group, and n is an integer of 1 to 20), and a lubricating base oil and a lubricating oil composition containing the dialkyl ether. The lubricating base oil and the lubricating oil composition exhibit low viscosity, excellent viscosity-temperature characteristics, and high fluidity at low temperature.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 3, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yukio YOSHIDA, Miki Monoi
  • Publication number: 20140183486
    Abstract: A specific material for organic electroluminescence device having m-phenylene skeleton in its molecule realizes a highly heat-resistant and long lifetime organic electroluminescence device capable of driving at low voltage with high efficiency.
    Type: Application
    Filed: May 9, 2012
    Publication date: July 3, 2014
    Applicant: Idemitsu Kosan Co., Ltd
    Inventors: Yuki Nakano, Masaki Numata, Hideaki Nagashima
  • Patent number: 8766534
    Abstract: An organic electroluminescence element comprising: an anode; a first emitting layer comprising at least a first host material and a first dopant; a second emitting layer comprising at least a second host material and a second dopant; and a cathode in the order mentioned: wherein the energy gap Egh1 of the first host material, the energy gap Egd1 of the first dopant, the energy gap Egh2 of the second host material, and the energy gap Egd2 of the second dopant satisfy the following formulas; and the luminescent intensity I1 at the maximum luminescent wavelength of an emission spectrum derived from the first emitting layer, and the luminescent intensity I2 at the maximum luminescent wavelength of an emission spectrum derived from the second emitting layer satisfy the following formula: Egh1>Egd1 Egh2>Egd2 Egd1>Egd2 I1>3.5×I2.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: July 1, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kenichi Fukuoka, Masahide Matsuura, Hiroshi Yamamoto, Chishio Hosokawa
  • Patent number: 8765005
    Abstract: Provided is a refrigerating machine oil composition including a base oil which contains at least one substance selected from the group consisting of monoether compounds, alkyleneglycol diethers, and polyoxyalkyleneglycol diethers having an average repetition number of an oxyalkylene group of 2 or less as a main component, and has a kinematic viscosity at 40° C. of 1 to 8 mm2/s. The refrigerating machine oil composition is preferably applied to refrigerators whose sliding parts are composed of an engineering plastic or provided with an organic coating film or an inorganic coating film. The refrigerating machine oil can improve energy-saving performance due to its low viscosity, has high sealing property and excellent load capacity, and is suitably used in various refrigeration applications, especially in closed-type refrigerators.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: July 1, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventor: Masato Kaneko
  • Patent number: 8766243
    Abstract: A compound represented by the following formula (I), provided that the compound in which all of R1 to R14 are hydrogen atoms is excluded.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: July 1, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yoichi Ikeda, Masatoshi Saito, Hidetsugu Ikeda, Hiroaki Nakamura, Hirofumi Kondo, Naoki Kurihara, Kota Terai
  • Patent number: 8759819
    Abstract: An organic electroluminescence device includes an anode, a cathode, and an organic thin-film layer interposed between the anode and the cathode. The organic thin-film layer includes a phosphorescent-emitting layer containing a host and a phosphorescent dopant, and an electron transporting layer that is provided closer to the cathode than the phosphorescent-emitting layer. The host contains a substituted or unsubstituted polycyclic fused aromatic skeleton.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: June 24, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazuki Nishimura, Toshihiro Iwakuma, Kenichi Fukuoka, Chishio Hosokawa, Jun Endo, Nobuhiro Yabunouchi, Hiroshi Yamamoto
  • Patent number: 8759590
    Abstract: A specified indenopyrene compound containing a disubstituted amino group substituted with a group having a carbon number of from 1 to 40, which is a useful indenopyrene compound as an organic electronics material, and in particular, an indenopyrene compound which when used for organic thin film solar cells, displays a photoelectric conversion characteristic with high efficiency, is provided.
    Type: Grant
    Filed: October 4, 2009
    Date of Patent: June 24, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hidetsugu Ikeda, Ryoji Maeda, Masahide Matsuura
  • Patent number: 8758595
    Abstract: The present invention is related to a process oil using as a raw material a deasphalted oil obtained by deasphalting a vacuum residual oil of a crude oil and a manufacturing method of the process oil, the process oil having properties of: (a) a polycyclic aromatics (PCA) content of less than 3 mass %; (b) a viscosity (100° C.) of 40 to 70 mm2/s; (c) an aniline point of 85 to 100° C.; (d) a flash point of 250° C. or higher; (e) an aromatic hydrocarbon content of 40 to 55 mass %; and (f) a polar substance content of 10 to 15 mass %. The present invention is also related to a process oil and a manufacturing method of the process oil, the process oil obtained by mixing: an extract obtained by deasphalting and solvent-extracting a vacuum residual oil of a crude oil; and a lubricant base oil having a polycyclic aromatics (PCA) content of less than 3 mass %, and having properties of: (a) a polycyclic aromatics (PCA) content of less than 3 mass %; (i) a viscosity (100° C.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: June 24, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Meishi Tanaka, Masashi Nakamura, Kazuhiro Teshima, Akihito Abe, Masami Takasaki
  • Publication number: 20140170252
    Abstract: An object of the present invention is to improve the milk yield and/or milk quality of a ruminant for milk production, to prevent or treat a perinatal disease of a ruminant, and to improve the reproductivity of a ruminant. In order to solve the above-mentioned problem, the following is provided. An agent for improving at least one of milk yield and milk quality of a ruminant, comprising at least one of cashew nut shell liquid, heat-treated cashew nut shell liquid, anacardic acid, cardanol, and cardol. An agent for preventing or treating a perinatal disease of a ruminant, comprising at least one of cashew nut shell liquid, heat-treated cashew nut shell liquid, anacardic acid, cardanol, and cardol. An agent for improving reproductivity of a ruminant, comprising at least one of cashew nut shell liquid, heat-treated cashew nut shell liquid, anacardic acid, cardanol, and cardol.
    Type: Application
    Filed: February 21, 2014
    Publication date: June 19, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Koichi KANEDA, Masami Mochizuki
  • Publication number: 20140167026
    Abstract: A nitrogen-containing aromatic heterocyclic derivative in which a nitrogen atom of an indenocarbazole skeleton optionally having a hetero atom or an indenoindole skeleton optionally having a hetero atom is bonded to a dibenzofuran or a dibenzothiophene directly or indirectly. The derivative realizes an organic EL device with a high emission efficiency and a long lifetime.
    Type: Application
    Filed: July 11, 2012
    Publication date: June 19, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Nobuhiro Yabunouchi, Takahiro Fujiyama
  • Publication number: 20140167033
    Abstract: An oxide sintered body includes indium oxide and gallium solid-solved therein, the oxide sintered body having an atomic ratio “Ga/(Ga+In)” of 0.001 to 0.12, containing indium and gallium in an amount of 80 atom % or more based on total metal atoms, and having an In2O3 bixbyite structure.
    Type: Application
    Filed: November 20, 2013
    Publication date: June 19, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi UTSUNO, Kazuyoshi INOUE, Hirokazu KAWASHIMA, Masashi KASAMI, Koki YANO, Kota TERAI
  • Publication number: 20140167003
    Abstract: Problem to Be Solved: To provide a highly efficient, long lifetime organic EL device that is capable of driving at low voltage.
    Type: Application
    Filed: August 27, 2013
    Publication date: June 19, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Tomoki KATO, Takayasu Sado
  • Patent number: 8753757
    Abstract: An organic electroluminescence element comprising: an anode layer, a cathode layer, and an organic luminescence layer therebetween, the organic luminescence layer having a carbazole derivative with a glass-transition temperature of 110° C. or higher, and a phosphorescent dopant. This structure makes it possible to provide an organic electroluminescence element which can make use of the triplet exciton state of the carbazole derivative even at room temperature and which has a practical life and superior heat-resistance.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: June 17, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventor: Chishio Hosokawa
  • Patent number: 8754019
    Abstract: A pressure transmission medium contains an ester or an ether having two or more ring structures of an aromatic ring or a saturated naphthenic ring as a pressure transmission medium base oil. The pressure transmission medium that exhibits low energy loss due to compression, excellent response in a hydraulic circuit, energy-saving, high-speed operation and high precision of control in a hydraulic circuit, a low viscosity and a low churning resistance, and a hydraulic device can be provided.
    Type: Grant
    Filed: July 8, 2009
    Date of Patent: June 17, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Toshiyuki Tsubouchi, Yoshio Hironaka
  • Patent number: 8753548
    Abstract: A composite oxide sintered body includes In, Zn, and Sn, and has a relative density of 90% or more, an average crystal grain size of 10 ?m or less, and a bulk resistance of 30 m?cm or less, the number of tin oxide aggregate particles having a diameter of 10 ?m or more being 2.5 or less per mm2 of the composite oxide sintered body.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: June 17, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Koki Yano, Hirokazu Kawashima
  • Publication number: 20140159006
    Abstract: Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 12, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Nobuhiro YABUNOUCHI, Tetsuya Inoue
  • Patent number: 8748659
    Abstract: The invention is directed to a technique for effectively producing an amide compound suitable for use as a solvent or a detergent on a large scale and at low cost.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: June 10, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hironori Tashiro, Yasushi Shiraki, Makoto Kashima
  • Patent number: 8748015
    Abstract: An indenofluorenedione derivative having a specific structure, which is useful as a material for organic electroluminescence devices because the derivative is excellent in heat resistance and can be vapor-deposited on a substrate at moderate temperature. An organic electroluminescence device including an anode, a cathode, and an organic thin layer between the anode and the cathode, which contains the material for organic electroluminescence devices in the organic thin layer, is driven at a low driving voltage and has a long lifetime.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: June 10, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hironobu Morishita, Yuichiro Kawamura, Jun Endo