Patents Assigned to Idemitsu Kosan Co.
  • Patent number: 9115301
    Abstract: It is to provide a lubricating oil composition for a refrigerating machine that has a low global warming potential by including in a base oil an organic compound having two or more non-conjugated double bonds in the molecule thereof, and that is particularly preferably used for a refrigerating machine using a refrigerant having a particular structure, such as an unsaturated fluorinated hydrocarbon compound, which is a refrigerant capable of being used for existing car air conditioner system, air conditioners and the like, and that has excellent compatibility with the refrigerant and excellent thermal and chemical stability.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: August 25, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Tomoya Matsumoto
  • Publication number: 20150236300
    Abstract: The first electrode has a convexo-concave structure including a plurality of convex portions and a plurality of concave portions at an interface with the organic compound layer. The convexo-concave structure has at least one cross section in a thickness direction of the light-transmissive substrate, the cross section being shaped in a sine-wave curve or a curve represented by a sum of a plurality of sine waves having different amplitudes or angles. A distance between a convex portion and an adjacent convex portion forming the convexo-concave structure is equal to or more than a peak wavelength of light radiated from the emitting layer and is equal to or less than a propagation distance (Lsp) of surface plasmon at the interface between the first electrode having the convexo-concave structure and the organic compound layer.
    Type: Application
    Filed: August 26, 2013
    Publication date: August 20, 2015
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventor: Ryo Naraoka
  • Patent number: 9112171
    Abstract: The present invention provides an OLED in which an organic thin film layer comprising a single layer or plural layers is provided between a cathode and an anode, where the organic thin film layer comprises at least one light emitting layer, and the at least one light emitting layer comprises (a) a host material represented by the following Formula (1): Ra—Ar1—Ar2—Rb (1) where Ar1, Ar2, Ra and Rb represent a substituted or unsubstituted benzene ring or a condensed aromatic hydrocarbon group selected from a substituted or unsubstituted naphthalene ring, chrysene ring, a substituted or unsubstituted fluoranthene ring, triphenylene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted benzophenanthrene ring, a substituted or unsubstituted dibenzophenanthrene ring, a substituted or unsubstituted benzotriphenylene ring, a substituted or unsubstituted benzochrysene ring, a substituted or unsubstituted picene ring and a substituted or unsubstituted benzofluoranthene ring; and (b) at l
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: August 18, 2015
    Assignees: Universal Display Corporation, Idemitsu Kosan Co., Ltd.
    Inventors: Brian D'Andrade, Julia J. Brown, Michael S. Weaver, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa, Masahiro Kawamura, Mitsunori Ito
  • Publication number: 20150225332
    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: Application
    Filed: April 24, 2015
    Publication date: August 13, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hironori TASHIRO, Yasushi Shiraki, Makoto Kashima
  • Publication number: 20150228912
    Abstract: A biscarbazole derivative of the invention is represented by a formula (1) below. In the formula (1): A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3.
    Type: Application
    Filed: April 21, 2015
    Publication date: August 13, 2015
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Tetsuya INOUE, Mitsunori ITO, Kei YOSHIDA, Kumiko HIBINO, Kazuki NISHIMURA, Toshinari OGIWARA, Kiyoshi IKEDA
  • Publication number: 20150228899
    Abstract: An organic electroluminescent device containing, between an anode and a cathode facing each other, a first hole transporting layer, an adjacent layer adjacent to an emitting layer, and an emitting layer, in this order from the side of the anode, wherein the first hole transporting layer contains a compound represented by the following formula (1), is provided as an organic EL device that is capable of being driven at a low voltage and has a prolonged life time and high efficiency. (In the formula, R1 to R4, L1, Ar1, Ar2, m, n, p and q are as defined in the specification.
    Type: Application
    Filed: August 29, 2013
    Publication date: August 13, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Takayasu Sado
  • Publication number: 20150228904
    Abstract: A fused fluoranthene compound which includes an indeno[3,2-b]fluoranthene skeleton having a hetero atom is a novel compound, which is useful as a material for organic electroluminescence devices for use in an organic electroluminescence device and an electronic equipment.
    Type: Application
    Filed: April 27, 2015
    Publication date: August 13, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Kazuki NISHIMURA
  • Publication number: 20150218482
    Abstract: [Problem] To provide a lubricating oil composition capable of attaining high-level fuel efficiency, durability and piston detergency in internal-combustion engines. [Means for Resolution] The lubricating oil composition according to the present invention contains a viscosity index improver and a metallic detergent in at least one base oil selected from mineral oils and synthetic oils therein, wherein the viscosity index improver contains a polymethacrylate viscosity index improver and an olefin copolymer viscosity index improver, the polymethacrylate viscosity index improver is contained in an amount of from 3.0% by mass to 9.5% by mass based on the total amount of the lubricating oil composition, the metallic detergent is at least one selected from calcium sulfonate, calcium phenate and calcium salicylate, the calcium amount derived from the metallic detergent is from 500 ppm to 1500 ppm based on the total amount of the lubricating oil composition, the high-temperature high-shear viscosity at 150° C.
    Type: Application
    Filed: January 28, 2015
    Publication date: August 6, 2015
    Applicants: IDEMITSU KOSAN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koki ITO, Kosuke FUJIMOTO, Minoru YAMASHITA
  • Patent number: 9099672
    Abstract: An organic electroluminescence device includes: a first substrate, first electrode, organic compound layer and second electrode in this sequence. A first insulative portion and a second auxiliary electrode are formed between the first electrode and the second electrode in this sequence from the first electrode. The second electrode is in electric continuity with the second auxiliary electrode. The first electrode and the organic compound layer are insulated from the second auxiliary electrode by the first insulative portion.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: August 4, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Chishio Hosokawa
  • Patent number: 9099658
    Abstract: An organic electroluminescence device includes: a cathode; an anode; and an organic thin-film layer disposed between the cathode and the anode, the organic thin-film layer having one or more layers including an emitting layer, in which the emitting layer includes a first material represented by the following formula (1) and a second material in a form of a fluorescent dopant material.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: August 4, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro Kawamura, Hirokatsu Ito, Toshinari Ogiwara, Yumiko Mizuki
  • Patent number: 9097838
    Abstract: Provided are an aromatic polycarbonate resin composition and molded articles for optical use using the same, the resin composition having improved light transmittance and luminance and, at the same time, being able to withstand molding even at a high temperature. More specifically, provided are the aromatic polycarbonate resin composition and molded articles for optical use using the same, the resin composition comprising 100 parts by mass of an aromatic polycarbonate resin (A) and 0.1 to 5 parts by mass of polyoxytetramethylene-polyoxyethylene glycol (B).
    Type: Grant
    Filed: November 25, 2010
    Date of Patent: August 4, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masami Takimoto, Naoyuki Kawai
  • Publication number: 20150214491
    Abstract: A novel aromatic heterocyclic derivative has a specific structure in its molecule which combines a hole transporting ability and an electron transporting ability. The aromatic heterocyclic derivative is used in a material for an organic electroluminescence device, a solution of a material for an organic electroluminescence device, and an organic electroluminescence device.
    Type: Application
    Filed: September 6, 2013
    Publication date: July 30, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi Ikeda, Hironori Kawakami, Akinori Yomogita, Mitsunori Ito
  • Publication number: 20150210854
    Abstract: Provided is a polycarbonate-based resin composition, including, with respect to 100 parts by mass of (A) a resin mixture formed of 30 to 100 mass % of a polycarbonate-polyorganosiloxane copolymer (A-1) having a structural unit represented by the general formula (I) and a structural unit represented by the general formula (II), and having an average number of repetitions n of an organosiloxane constituent unit in the general formula (II) of 50 to 500, and 0 to 70 mass % of an aromatic polycarbonate (A-2) except the copolymer (A-1), 1 to 5.5 parts by mass of (B) a polyorganosiloxane-acrylic composite rubber, the composition having a viscosity-average molecular weight of 17,000 to 23,000. Also provided is a molded article thereof.
    Type: Application
    Filed: September 13, 2013
    Publication date: July 30, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventor: Yusuke Aoki
  • Publication number: 20150214575
    Abstract: Glass includes an aggregate of solid electrolyte particles including Li, P, and S, wherein when a Raman spectrum of the glass is repeatedly measured and a peak at 330 to 450 cm?1 in each Raman spectrum is separated to waveforms of individual components, a standard deviation of a waveform area ratio of each component is less than 4.0.
    Type: Application
    Filed: April 7, 2015
    Publication date: July 30, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo ABURATANI, Minoru SENGA, Tsuyoshi OTA, Masaru NAKAGAWA
  • Patent number: 9090848
    Abstract: The grease composition for a clean environment includes, a base oil, a thickener and a extreme-pressure agent, in which a kinetic viscosity of the base oil at 40° C. is 100˜300 mm2/s, the thickener comprising a lithium complex soap, a content of the thickener is 10˜40 mass % with respect to the total amount of the grease composition.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: July 28, 2015
    Assignees: THK CO., LTD., IDEMITSU KOSAN CO., LTD.
    Inventors: Akira Nogami, Terumoto Hayami, Hiroshi Sampei, Yukitoshi Fujinami, Kouji Takane
  • Patent number: 9095033
    Abstract: A top-emission organic electroluminescence device (1) includes in order a first electrode (20), one or more organic layers (30B) including a blue-emitting layer (34B), a second electrode (40), and a capping layer (50), wherein the capping layer (50) is formed of a material that satisfies the expression “n(?=430 nm)?n(?=460 nm)>0.08” (where, n(?=x nm) indicates a refractive index at a wavelength of x nm) and has an extinction coefficient of 0.1 or less at a wavelength of 430 to 500 nm.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: July 28, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo Naraoka, Hitoshi Kuma, Hiroyuki Saito, Chishio Hosokawa
  • Publication number: 20150208480
    Abstract: A light-emitting apparatus includes a first light-emitting device, a second light-emitting device, and a device driving portion having drive transistors. The first light-emitting device includes a first electrode, first light-emitting unit, second electrode, second light-emitting unit, and third electrode. The second light-emitting device includes a third light-emitting unit, fourth electrode, fourth light-emitting unit, and fifth electrode. The light-emitting units are formed in the same step and each have a light-emitting layer that emits a first color light. The second electrode and the fourth electrode are formed in the same step. The light-emitting units are formed in the same step and each have a light-emitting layer that emits a second color light. A first drive transistor is electrically connected to the first electrode while a second drive transistor is electrically connected to the fourth electrode.
    Type: Application
    Filed: August 16, 2013
    Publication date: July 23, 2015
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Chishio Hosokawa, Yoshikazu Tanaka, Kazuki Nishimura
  • Publication number: 20150207170
    Abstract: A method for producing sulfide-based glass ceramics including crystallizing a glass solid electrolyte, wherein the glass solid electrolyte includes: sulfide-based glass comprising at least a sulfur element and a lithium element; and a nitrile compound incorporated into the sulfide-based glass.
    Type: Application
    Filed: June 14, 2013
    Publication date: July 23, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo Aburatani, Tadanori Junke
  • Patent number: 9085742
    Abstract: A lubricating oil composition for a continuously variable transmission according to the invention includes: a base oil of lubricating oil; components (A) to (C) below: (A) an acidic phosphorus compound expressed by a formula (1) below, where: R1, R2 and R3 each independently represent hydrogen or an alkyl group having 8 or less carbon atoms, R1, R2 and R3 being not simultaneously hydrogen nor the alkyl group, X1, X2, X3 and X4 each represent oxygen or sulfur, and n represents zero or one, in which when n is zero, at least two of X1, X2 and X3 are sulfur and when n is one, at least two of X1, X2, X3 and X4 are sulfur; (B) an imide compound; and (C) an alkaline earth metal salt.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: July 21, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Toshiaki Iwai
  • Patent number: 9087997
    Abstract: An aromatic amine derivative having a specific structure. An organic electroluminescence device which is composed of one or more organic thin film layers sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers, especially a hole transporting layer, contains the aromatic amine derivative. The aromatic amine derivative has at least one substituted or unsubstituted dibenzofuran skeleton and at least one substituted or unsubstituted terphenylene skeleton. Because the molecules in the aromatic amine derivate hardly crystallize, organic electroluminescence devices improving their production yield and having prolonged lifetime are provided.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: July 21, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Nobuhiro Yabunouchi