Patents by Inventor Mitsunori Ito

Mitsunori Ito has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200295273
    Abstract: An ink composition for an organic light-emitting device, the ink composition including a luminescent host material and a solvent, wherein the luminescent host material includes at least one compound represented by Formula (1) and Formula (3), and wherein the solvent includes at least one selected from an aromatic ether, an aromatic ester, and an aromatic ketone: wherein, in Formulas (1) and (3), groups and variables are the same as described in the specification.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Inventors: Eiji OTSUKI, Masanori WAKITA, Fumiaki KATO, Satoshi INAYAMA, Norihito ISHII, Katsunori SHIBATA, Mitsunori ITO
  • Patent number: 10766275
    Abstract: An image forming method uses an apparatus for forming an image on both recording media of fabric and recording paper. The image forming method includes: applying a treatment agent to the fabric, the treatment agent coagulating a water-based ink or increasing viscosity of the water-based ink; and discharging the water-based ink onto the fabric by an ink-jet system, the water-based ink being identical to a water-based ink used for forming the image on the recording paper.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: September 8, 2020
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yasuhiro Taga, Keisuke Yuhara, Mitsunori Maeda, Shinpei Ito
  • Patent number: 10707434
    Abstract: The organic electroluminescence device includes an anode, a cathode, and at least an emitting layer between the anode and the cathode. The emitting layer includes a first host material, a second host material, and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below and the second host material is a compound represented by a formula (2) below.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: July 7, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazuki Nishimura, Toshinari Ogiwara, Kumiko Hibino, Tetsuya Inoue, Mitsunori Ito
  • Publication number: 20200207739
    Abstract: A heterocyclic compound represented by Formula 1, a composition including the same, and an organic light-emitting device including the heterocyclic compound: L1 to L4, L11, a1 to a4, a11, Ar1, Ar2, Ar11, R1 to R7, R11 to R12, b1 to b7, and b11 to b12 are described in the specification.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 2, 2020
    Inventors: Masaki NUMATA, Rie SAKURAI, Keisuke KORAI, Mitsunori ITO, Shiro IRISA, Norihito ISHII
  • Publication number: 20200207732
    Abstract: A heterocyclic compound, a composition including the heterocyclic compound, and an organic light-emitting device including the heterocyclic compound are disclosed. The heterocyclic compound is represented by Formula 1: wherein, X1, L1, a1, Ar1, R1 to R6, b3, b4, and b5 are described herein.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 2, 2020
    Inventors: Masaki NUMATA, Mitsunori ITO, Norihito ISHII, Rie SAKURAI
  • Publication number: 20200207123
    Abstract: An image forming method uses an apparatus for forming an image on both recording media of fabric and recording paper. The image forming method includes: applying a treatment agent to the fabric, the treatment agent coagulating a water-based ink or increasing viscosity of the water-based ink; and discharging the water-based ink onto the fabric by an ink-jet system, the water-based ink being identical to a water-based ink used for forming the image on the recording paper.
    Type: Application
    Filed: January 15, 2020
    Publication date: July 2, 2020
    Inventors: Yasuhiro Taga, Keisuke Yuhara, Mitsunori Maeda, Shinpei Ito
  • Publication number: 20200212307
    Abstract: A condensed cyclic compound represented by Formula 1, a composition including the same, and an organic light-emitting device including the condensed cyclic compound: wherein R1-R6, L1-L2, Ar1, n1, a1-a2, and b3-b6 are described in the specification.
    Type: Application
    Filed: December 24, 2019
    Publication date: July 2, 2020
    Inventors: Masaki NUMATA, Mitsunori ITO
  • Publication number: 20200212314
    Abstract: An organic light-emitting device comprising: a first electrode; a second electrode; and an emission layer between the first electrode and the second electrode, wherein the emission layer comprising a first compound, a second compound, and a third compound, the first compound comprising at least one compound represented by one of Formulae 1-1 to 1-4, the second compound comprising at least one compound represented by one of Formulae 2-1 to 2-4, and the third compound includes at least one of a triphenylene group, a dibenzofuran group, a dibenzothiophene group, a fluorene group, a biscarbazole group, or any combination thereof, wherein a band gap between a highest occupied molecular orbital (HOMO) band energy level and a lowest unoccupied molecular orbital (LUMO) band energy level of the third compound is 3.3 eV or more. Formulae 1-1 to 1-4 and Formulae 2-1 to 2-4 are described herein.
    Type: Application
    Filed: December 24, 2019
    Publication date: July 2, 2020
    Inventors: Masaki NUMATA, Masaru KINOSHITA, Mitsunori ITO, Wataru SOTOYAMA
  • Publication number: 20200212313
    Abstract: Provided are a charge transport material represented by Formula 1, a composition including the charge transport material, and an organic light-emitting device including the composition
    Type: Application
    Filed: December 24, 2019
    Publication date: July 2, 2020
    Inventors: Masaki NUMATA, Keisuke KORAI, Mitsunori ITO
  • Patent number: 10636973
    Abstract: A polymer material includes a structural unit represented by Chemical Formula 1 X—Y ??Chemical Formula 1 wherein, in Chemical Formula 1, X and Y are as defined herein.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: April 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Fujiyama Takahiro, Fumiaki Kato, Takao Motoyama, Yusaku Konishi, Mitsunori Ito, Furuta Keigo
  • Patent number: 10597403
    Abstract: A condensed cyclic compound represented by Formula (1): wherein, in Formula (1), groups and variables are the same as described in the specification.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: March 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Fumiaki Kato, Satoshi Inayama, Norihito Ishii, Katsunori Shibata, Mitsunori Ito
  • Patent number: 10569569
    Abstract: An image forming method uses an apparatus for forming an image on both recording media of fabric and recording paper. The image forming method includes: applying a treatment agent to the fabric, the treatment agent coagulating a water-based ink or increasing viscosity of the water-based ink; and discharging the water-based ink onto the fabric by an ink-jet system, the water-based ink being identical to a water-based ink used for forming the image on the recording paper.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: February 25, 2020
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yasuhiro Taga, Keisuke Yuhara, Mitsunori Maeda, Shinpei Ito
  • Publication number: 20200006664
    Abstract: Anthracene derivatives each having a structure including an anthracene skeleton, a phenanthrene skeleton selected from among various phenanthrene skeletons different in bonding site which is bonded to the 9-position of the anthracene skeleton and a group selected from among various aryl groups and so on which is bonded to the 10-position of the anthracene skeleton. Organic EL devices made by using the derivatives exhibit high light emission efficiency and a long life.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro KAWAMURA, Mitsunori Ito
  • Patent number: 10493775
    Abstract: There is provided an image forming method for forming an image on a recording medium which is fabric or recording paper by using an ink set including an ink and a treatment agent. In a case that the recording medium is the fabric, the image forming method includes: applying the treatment agent, which includes a cationic substance and a water-soluble organic solvent, to the fabric in an application amount of the treatment agent per an area of the fabric in a range of 4.7 mg/cm2 to 34 mg/cm2; drying the applied treatment agent and thereby reducing weight of the treatment agent in the fabric to be not more than 50% of the application amount of the treatment agent; and jetting the ink, which includes an anionic dye and a water-soluble organic solvent, onto the fabric by an ink-jet system.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: December 3, 2019
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Shinpei Ito, Yasuhiro Taga, Keisuke Yuhara, Mitsunori Maeda
  • Patent number: 10483125
    Abstract: A semiconductor device includes a first interlayer film formed on an upper surface of a substrate, a first metal wiring line, a second interlayer film, a second metal wiring line, a first via electrically connecting the first metal wiring line and the second metal wiring line, a landing pad embedded in an upper portion of the first interlayer film and penetrating the second interlayer film, and a second via penetrating the substrate and the first interlayer film from a back side of the substrate and connected to the landing pad. The lower surface position of the landing pad is different from that of the first metal wiring line.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: November 19, 2019
    Assignee: TOWERJAZZ PANASONIC SEMICONDUCTOR CO., LTD.
    Inventors: Yuka Inoue, Mitsunori Fukura, Nobuyoshi Takahashi, Masahiro Oda, Hisashi Yano, Yutaka Ito, Yasunori Morinaga
  • Patent number: 10461257
    Abstract: Anthracene derivatives each having a structure including an anthracene skeleton, a phenanthrene skeleton selected from among various phenanthrene skeletons different in bonding site which is bonded to the 9-position of the anthracene skeleton and a group selected from among various aryl groups and so on which is bonded to the 10-position of the anthracene skeleton. Organic EL devices made by using the derivatives exhibit high light emission efficiency and a long life.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: October 29, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro Kawamura, Mitsunori Ito
  • Patent number: 10428233
    Abstract: A water-based ink set for ink-jet recording includes: a water-based yellow ink containing a yellow pigment, a resin dispersant, and water; a water-based magenta ink containing a magenta pigment, a resin dispersant, and water; a water-based cyan ink containing a cyan pigment, a resin dispersant, and water; and a water-based black ink containing self-dispersible carbon black and water. At least one water-based color ink selected from the group consisting of the water-based yellow ink, the water-based magenta ink, and the water-based cyan ink further contains a dye. The self-dispersible carbon black has an average particle size of 120 to 170 nm.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: October 1, 2019
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yuka Tsuzaka, Shinpei Ito, Mitsunori Maeda
  • Publication number: 20190221750
    Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Application
    Filed: January 10, 2019
    Publication date: July 18, 2019
    Inventors: Keisuke KORAI, Rie SAKURAI, Mitsunori ITO, Masaki NUMATA
  • Publication number: 20190221753
    Abstract: Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 18, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko MIZUKI, Masakazu FUNAHASHI, Mitsunori ITO, Masahiro KAWAMURA
  • Publication number: 20190214570
    Abstract: A heterocyclic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Application
    Filed: January 10, 2019
    Publication date: July 11, 2019
    Inventors: Satoshi INAYAMA, Shiro IRISA, Keisuke KORAI, Rie SAKURAI, Mitsunori ITO, Masaki NUMATA