Patents by Inventor Yukio Tani

Yukio Tani 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: 20240025901
    Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 25, 2024
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Hiroki SUGIURA, Yukio TANI, Tetsuya MATSUSHITA, Tetsuya WATANABE, Toshihiro OKAMOTO
  • Publication number: 20230345826
    Abstract: The present invention is to provide a photoelectric conversion element with the electric field strength dependence of a photoelectric conversion efficiency suppressed. In addition, an imaging element, an optical sensor, and a compound are provided. The photoelectric conversion element includes a conductive film, a photoelectric conversion film, and a transparent conductive film in this order, in which the photoelectric conversion film contains a compound represented by Formula (1).
    Type: Application
    Filed: June 13, 2023
    Publication date: October 26, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Hiroki SUGIURA, Yukio TANI, Ryo FUJIWARA, Yasunori YONEKUTA
  • Patent number: 11785845
    Abstract: An object of the present invention is to provide a composition capable of manufacturing an organic thin film transistor having excellent carrier mobility even under low temperature conditions. The composition of the present invention contains a compound represented by Formula (1) and an alcohol represented by Formula (S1).
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: October 10, 2023
    Assignees: FUJIFILM Corporation, The University of Tokyo
    Inventors: Koki Nakamura, Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Junichi Takeya, Toshihiro Okamoto
  • Publication number: 20230132579
    Abstract: The present invention is to provide a photoelectric conversion element with an excellent sensitivity, an imaging element, an optical sensor, and a compound. The photoelectric conversion element of the present invention includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film in which the photoelectric conversion film contains a compound represented by Formula (1) and a coloring agent.
    Type: Application
    Filed: November 28, 2022
    Publication date: May 4, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yukio TANI, Hiroki SUGIURA, Yasunori YONEKUTA
  • Publication number: 20230121151
    Abstract: The present invention is to provide a photoelectric conversion element with an excellent sensitivity, an imaging element, an optical sensor, and a compound. The photoelectric conversion element according to the embodiment of the present invention includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film, in which the photoelectric conversion film contains a compound represented by Formula (1) and a coloring agent.
    Type: Application
    Filed: October 28, 2022
    Publication date: April 20, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yukio TANI, Hiroki SUGIURA, Yasunori YONEKUTA
  • Publication number: 20230094960
    Abstract: The present disclosure provides a composition containing a compound represented by General Formula (1) and a polymer compound, in which a content of a chloride ion is less than 1.5 ppm with respect to a total mass of the composition, and provides a compound. In General Formula (1), Het1 represents a divalent aromatic heterocyclic residue of a 5-membered ring or a 6-membered ring, Xa, Xb, Xc, and Xd each independently represent a heteroatom, Ya, Yb, Yc, Yd, Ye and Yf each independently represent a heteroatom or a carbon atom, and two 6-membered rings bonded to Het1 each independently may have a double bond.
    Type: Application
    Filed: November 24, 2022
    Publication date: March 30, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Ichiro AMASAKI, Keizo KIMURA, Daisuke SASAKI, Yukio TANI
  • Publication number: 20220213104
    Abstract: A first object of the present invention is to provide a method for producing a cyclic imide compound with high yield and high purity. A second object of the present invention is to provide a composition that can be used in the method for producing a cyclic imide compound with high yield and high purity. A third object of the present invention is to provide an intermediate compound that can be used in the method for producing a cyclic imide compound with high yield and high purity. The method for producing a cyclic imide compound according to the present invention includes reacting a compound represented by formula (1) below with at least one amine compound to obtain a compound represented by formula (2) below.
    Type: Application
    Filed: March 17, 2022
    Publication date: July 7, 2022
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Hiroki Sugiura, Yukio Tani, Tetsuya Matsushita, Tetsuya Watanabe, Toshihiro Okamoto
  • Patent number: 11352742
    Abstract: Provided are an inkjet textile printing method including a step of performing direct printing on a textile by an inkjet method with an inkjet ink including an aqueous dispersion of a dye polymer having a structure derived from a dye having a xanthene skeleton; a coloring composition and an inkjet ink including the aqueous dispersion of the dye polymer; an ink cartridge including the inkjet ink filling the ink cartridge; and the dye polymer.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: June 7, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Yukio Tani, Yoshihiko Fujie
  • Publication number: 20220045283
    Abstract: An object of the present invention is to provide a composition capable of manufacturing an organic thin film transistor having excellent carrier mobility even under low temperature conditions. The composition of the present invention contains a compound represented by Formula (1) and an alcohol represented by Formula (S1).
    Type: Application
    Filed: October 18, 2021
    Publication date: February 10, 2022
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Koki NAKAMURA, Hiroki SUGIURA, Yukio TANI, Tetsuya MATSUSHITA, Tetsuya WATANABE, Junichi TAKEYA, Toshihiro OKAMOTO
  • Publication number: 20210351363
    Abstract: Provided are an organic thin film transistor, an organic semiconductor film, a compound, an organic thin film transistor-forming composition, and a method of manufacturing the organic thin film transistor. The organic thin film transistor includes the organic semiconductor film. The organic semiconductor film includes a compound represented by a specific formula. The organic semiconductor film, the compound, and the organic thin film transistor-forming composition can be preferably used in the organic thin film transistor. The method of manufacturing the organic thin film transistor includes a step of forming an organic semiconductor film by applying the organic thin film transistor-forming composition to a substrate.
    Type: Application
    Filed: July 22, 2021
    Publication date: November 11, 2021
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Eiji FUKUZAKI, Tetsuya WATANABE, Yoshihisa USAMI, Yukio TANI, Toshihiro OKAMOTO, Junichi TAKEYA
  • Patent number: 11107996
    Abstract: Provided are an organic thin film transistor, an organic semiconductor film, a compound, an organic thin film transistor-forming composition, and a method of manufacturing the organic thin film transistor. The organic thin film transistor includes the organic semiconductor film. The organic semiconductor film includes a compound represented by a specific formula. The organic semiconductor film, the compound, and the organic thin film transistor-forming composition can be preferably used in the organic thin film transistor. The method of manufacturing the organic thin film transistor includes a step of forming an organic semiconductor film by applying the organic thin film transistor-forming composition to a substrate.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: August 31, 2021
    Assignees: FUJIFILM Corporation, The University of Tokyo
    Inventors: Eiji Fukuzaki, Tetsuya Watanabe, Yoshihisa Usami, Yukio Tani, Toshihiro Okamoto, Junichi Takeya
  • Patent number: 11081651
    Abstract: An organic semiconductor element in which an organic semiconductor layer contains a compound of Formula (1), a compound of Formula (2), and/or a compound of Formula (3) or contains a polymer having a structure of any one of formed by Formulae (8) to (10): in which X1 represents a nitrogen atom or CRa, and rings A to B each represent a specific nitrogen-containing ring; Y1 represents an oxygen atom, a sulfur atom, CRb2, or NRc; V1 represents NRd, an oxygen atom, a sulfur atom, or a selenium atom; Ra to Rd each represent a hydrogen atom or a substituent; R1 represents a specific substituent, and p is an integer of 0 to 2; n represents 1 or 2; and * represents a bonding site.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: August 3, 2021
    Assignees: FUJIFILM Corporation, The University of Tokyo
    Inventors: Kenji Shirokane, Eiji Fukuzaki, Yukio Tani, Fumiko Tamakuni, Yoshihisa Usami, Tetsuya Watanabe, Toshihiro Okamoto, Junichi Takeya
  • Patent number: 11011706
    Abstract: Provided are an organic thin film transistor element comprising an organic semiconductor layer containing a specific polymer which has a repeating unit including a structure represented by a specific formula, an organic semiconductor film suitable as the organic semiconductor layer and a method of manufacturing the same, and a polymer and a composition suitable as a constituent material of the organic semiconductor film.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: May 18, 2021
    Assignees: FUJIFILM Corporation, The University of Tokyo
    Inventors: Yukio Tani, Kenji Shirokane, Tetsuya Watanabe, Toshihiro Okamoto, Junichi Takeya
  • Publication number: 20210020841
    Abstract: Provided are an organic semiconductor element, a composition, an organic semiconductor composition, an organic semiconductor film, a method of producing a composition, a method of manufacturing an organic semiconductor element, and a method of purifying a compound. The organic semiconductor element includes an organic semiconductor film formed by forming a composition into a film, in which the composition contains a compound represented by the following formula (where R1 to R8 each independently represent a hydrogen atom or a substituent), and a total content of sodium element, potassium element, silicon element, and aluminum element in the composition is 50 ppm or less. The organic semiconductor element has high heat resistance of carrier mobility.
    Type: Application
    Filed: October 2, 2020
    Publication date: January 21, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuya WATANABE, Yukio TANI
  • Publication number: 20200343451
    Abstract: Provided are an organic thin film transistor element comprising an organic semiconductor layer containing a specific polymer which has a repeating unit including a structure represented by a specific formula, an organic semiconductor film suitable as the organic semiconductor layer and a method of manufacturing the same, and a polymer and a composition suitable as a constituent material of the organic semiconductor film.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 29, 2020
    Applicants: FUJIFILM Corporation, The University of Tokyo
    Inventors: Yukio TANI, Kenji SHIROKANE, Tetsuya WATANABE, Toshihiro OKAMOTO, Junichi TAKEYA
  • Publication number: 20200028096
    Abstract: An organic semiconductor element in which an organic semiconductor layer contains a compound of Formula (1) and/or a compound of Formula (2) or contains a polymer having a structure of any one of Formulae (9) and (10): in which X1 represents a nitrogen atom or CRa, rings A to D each represent a specific aromatic ring or an aromatic heterocyclic ring; Y1 represents an oxygen atom, a sulfur atom, CRb2, or NRc; Ra to Rc each represent hydrogen atoms or substituents; R1 and R2 each represent a to specific substituent; n represents 1 or 2; and * represents a bonding site.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 23, 2020
    Applicants: FUJIFILM Corporation, THE UNIVERSITY OF TOKYO
    Inventors: Kenji SHIROKANE, Eiji FUKUZAKI, Yukio TANI, Fumiko TAMAKUNI, Yoshihisa USAMI, Tetsuya WATANABE, Toshihiro OKAMOTO, Junichi TAKEYA
  • Publication number: 20200028092
    Abstract: An organic semiconductor element in which an organic semiconductor layer contains a compound of Formula (1), a compound of Formula (2), and/or a compound of Formula (3) or contains a polymer having a structure of any one of formed by Formulae (8) to (10): in which X1 represents a nitrogen atom or CRa, and rings A to B each represent a specific nitrogen-containing ring; Y1 represents an oxygen atom, a sulfur atom, CRb2, or NRc; V1 represents NRd, an oxygen atom, a sulfur atom, or a selenium atom; Ra to Rd each represent a hydrogen atom or a substituent; R1 represents a specific substituent, and p is an integer of 0 to 2; n represents 1 or 2; and * represents a bonding site.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 23, 2020
    Applicants: FUJIFILM Corporation, THE UNIVERSITY OF TOKYO
    Inventors: Kenji SHIROKANE, Eiji FUKUZAKI, Yukio TANI, Fumiko TAMAKUNI, Yoshihisa USAMI, Tetsuya WATANABE, Toshihiro OKAMOTO, Junichi TAKEYA
  • Patent number: 10460879
    Abstract: A photoelectric conversion element, having a photoconductor layer containing semiconductor fine particles carrying a metal complex dye of Formula (I); a metal complex dye, a dye solution, a dye-adsorbed electrode, a dye-sensitized solar cell, and a method for producing the solar cell: M(LA)(LD)(LX)mX·(CI)mY??Formula (I) M represents a metal ion, LA represents a ligand of Formula (AL), LD represents a bidentate or tridentate ligand, at least one of coordinating atoms being an anion; LX represents a monodentate ligand; CI represents a counter ion; mX is 0 or 1; mY is 0 to 3; Rings A to C represent a heterocycle; Z1 and Z2 represent a carbon or nitrogen atom; Anc1 to Anc3 represent an acidic group; X1 to X3 represent a single bond or linking group; R1 to R3 represent a substituent; l1, l3, l2, m1, m3, m2, n1, n2, and n3 each are an integer.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: October 29, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Kousuke Watanabe, Yukio Tani, Kouitsu Sasaki, Hirotaka Satou, Kazuhiro Tsuna, Katsumi Kobayashi
  • Publication number: 20190153669
    Abstract: Provided are an inkjet textile printing method including a step of performing direct printing on a textile by an inkjet method with an inkjet ink including an aqueous dispersion of a dye polymer having a structure derived from a dye having a quinophthalone skeleton; a coloring composition and an inkjet ink including the aqueous dispersion of the dye polymer; an ink cartridge including the inkjet ink filling the ink cartridge; and the dye polymer.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 23, 2019
    Applicant: FUJIFILM Corporation
    Inventors: YUKIO TANI, YOSHIHIKO FUJIE, HIROMI KOBAYASHI
  • Publication number: 20190153670
    Abstract: Provided are an inkjet textile printing method including a step of performing direct printing on a textile by an inkjet method with an inkjet ink including an aqueous dispersion of a dye polymer having a structure derived from a dye having a xanthene skeleton; a coloring composition and an inkjet ink including the aqueous dispersion of the dye polymer; an ink cartridge including the inkjet ink filling the ink cartridge; and the dye polymer.
    Type: Application
    Filed: January 28, 2019
    Publication date: May 23, 2019
    Applicant: FUJIFILM Corporation
    Inventors: YUKIO TANI, YOSHIHIKO FUJIE