Patents by Inventor Fumiko TAMAKUNI

Fumiko TAMAKUNI 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: 20220380613
    Abstract: An ink composition including water, a pigment, a pigment dispersion polymer A, and a water-soluble polymer B different from the pigment dispersion polymer A, in which the water-soluble polymer B contains a specific acid group and a constitutional unit represented by Formula (1), an ink set, and an image recording method. R1, R11, Y1, and Y2 each independently represent a hydrogen atom or a monovalent substituent, and L1 and L2 each independently represent a divalent linking group or a single bond. Y1 and Y2 may be bonded to each other to form a nitrogen-containing heterocycle with L1, L2, and N.
    Type: Application
    Filed: July 26, 2022
    Publication date: December 1, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Naoka Hamada, Atsushi Kaeriyama, Shota Suzuki, Fumiko Tamakuni
  • Publication number: 20220213341
    Abstract: Provided are a colored resin particle dispersion containing water and colored resin particles containing a polymer P containing a hydrophilic group and an oil-soluble dye, in which the oil-soluble dye includes an oil-soluble dye (D) obtained by modifying a water-soluble reactive dye with an alkyl group having 4 or more carbon atoms, or exchanging a counter cation in an acid dye with an organic cation containing an alkyl group having 4 or more carbon atoms, an ink, an ink set, an ink jet textile printing method, and a printed textile product.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventors: Shota SUZUKI, Fumiko TAMAKUNI, Naoka HAMADA, Noriaki SATO
  • Patent number: 11133475
    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 the organic semiconductor layer contains a polymer having a structure of any one of Formulae (6) to (8): in which Rings A and B each represent an aromatic 5-membered ring, X represents a nitrogen atom or CRX, and RX represents a hydrogen atom or a substituent; E represents an oxygen atom or a sulfur atom; R1 to R4 each represent a specific substituent; and p, q, r, and s each are an integer of 0 to 2; n is 1 or 2; and * represents a bonding site.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: September 28, 2021
    Assignees: FUJIFILM Corporation, THE UNIVERSITY OF TOKYO
    Inventors: Fumiko Tamakuni, Tetsuya Watanabe, 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: 11038125
    Abstract: Provided are an organic semiconductor element including an organic semiconductor film that includes a polymer having a repeating unit represented by the following Formula (1), the polymer, and an organic semiconductor composition and an organic semiconductor film including the polymer. In the formula, Y1 represents O, S, or Se. R11 to R14 each independently represent a substituent. a and b each independently represent an integer of 0 to 3, and r and s each independently represent an integer of 0 to 2. A10 represents an aromatic heterocyclic group. m10 represents an integer of 1 to 12.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: June 15, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yosuke Yamamoto, Fumiko Tamakuni, Tetsuya Watanabe
  • Patent number: 10971686
    Abstract: Provided are an organic semiconductor element including an organic semiconductor film that includes a polymer having a repeating unit represented by the following Formula (1), the polymer, and an organic semiconductor composition and an organic semiconductor film including the polymer. In the formula, Z represent a 5-membered aromatic heterocycle. RC1 and RC2 each independently represent a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group, or an aromatic heterocyclic group. n1 and n2 each independently represent 0 or 1. RC3 to RC10 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group, or an aromatic heterocyclic group.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: April 6, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Fumiko Tamakuni, Yosuke Yamamoto, Tetsuya Watanabe
  • Patent number: 10902969
    Abstract: An object of the present invention is to provide an organic semiconductor composition that may form an organic thin film transistor having excellent hysteresis characteristics while high carrier mobility is maintained. Another object of the present invention is to provide an organic semiconductor film, an organic thin film transistor, and a method of manufacturing an organic thin film transistor. An organic semiconductor composition according to the present invention includes: a compound X having a molecular weight of 2,000 or greater and having a repeating unit represented by Formula (1); and a low molecular weight compound Y represented by Formula (2).
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: January 26, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yosuke Yamamoto, Fumiko Tamakuni
  • Publication number: 20210009834
    Abstract: An embodiment of the present invention provides an inkjet ink composition including water, a dispersant, inorganic pigment particles having an average primary particle diameter of 100 nm or greater, and resin particles A having a glass transition temperature of 40° C. or higher, in which X nm of an average primary particle diameter of the inorganic pigment particles and Y nm of a volume average particle diameter of the resin particles A satisfy Y?1.1×X; a maintenance method in a case of using the inkjet ink composition; an image recording method carried out using the inkjet ink composition; and an image recorded material containing a solidified material of the inkjet ink composition.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Inventors: Masaharu KAWAI, Ryuji SHINOHARA, Fumiko TAMAKUNI
  • Publication number: 20200035928
    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 the organic semiconductor layer contains a polymer having a structure of any one of Formulae (6) to (8): in which Rings A and B each represent an aromatic 5-membered ring, X represents a nitrogen atom or CRX, and RX represents a hydrogen atom or a substituent; E represents an oxygen atom or a sulfur atom; R1 to R4 each represent a specific substituent; and p, q, r, and s each are an integer of 0 to 2; n is 1 or 2; and * represents a bonding site.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 30, 2020
    Applicants: FUJIFILM Corporation, THE UNIVERSITY OF TOKYO
    Inventors: Fumiko TAMAKUNI, 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: 10312447
    Abstract: Objects of the present invention are to provide an organic semiconductor element in which carrier mobility is high, variation of mobility is suppressed, and temporal stability under high temperature and high humidity is excellent, and a manufacturing method thereof, to provide a novel compound suitable for an organic semiconductor, and to provide an organic semiconductor film in which mobility is high, variation of mobility is suppressed, and temporal stability under high temperature and high humidity is excellent, a manufacturing method thereof, and an organic semiconductor composition that can suitably form the organic semiconductor film. The organic semiconductor element according to the present invention is an organic semiconductor layer containing a compound having a constitutional repeating unit represented by Formula 1 and having a molecular weight of 2,000 or greater.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: June 4, 2019
    Assignee: FUJIFILM CORPORATION
    Inventors: Tetsu Kitamura, Yosuke Yamamoto, Fumiko Tamakuni, Yuta Shigenoi, Takashi Goto, Tetsuya Watanabe
  • Publication number: 20190036029
    Abstract: Provided are: an organic thin film transistor element including an organic semiconductor layer that includes an organic semiconductor compound, in which a content of one kind or two or more kinds of atoms selected from the group consisting of Li, Na, P, K, Fe, Pd, Sn, B, Cl, Br, and I in the organic semiconductor layer is 300 to 700 ppm; an organic semiconductor film-forming composition used for forming the organic semiconductor layer of the element; a method of forming an organic semiconductor film using the composition; and an organic semiconductor film formed of the composition.
    Type: Application
    Filed: October 4, 2018
    Publication date: January 31, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Fumiko TAMAKUNI
  • Publication number: 20190027696
    Abstract: Provided are an organic semiconductor element including an organic semiconductor film that includes a polymer having a repeating unit represented by the following Formula (1), the polymer, and an organic semiconductor composition and an organic semiconductor film including the polymer. In the formula, Y1 represents O, S, or Se. R11 to R14 each independently represent a substituent. a and b each independently represent an integer of 0 to 3, and r and s each independently represent an integer of 0 to 2. A10 represents an aromatic heterocyclic group.
    Type: Application
    Filed: September 25, 2018
    Publication date: January 24, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Yosuke YAMAMOTO, Fumiko TAMAKUNI, Tetsuya WATANABE
  • Publication number: 20190027691
    Abstract: Provided are an organic semiconductor element including an organic semiconductor film that includes a polymer having a repeating unit represented by the following Formula (1), the polymer, and an organic semiconductor composition and an organic semiconductor film including the polymer. In the formula, Z represent a 5-membered aromatic heterocycle. RC1 and RC2 each independently represent a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group, or an aromatic heterocyclic group. n1 and n2 each independently represent 0 or 1. RC3 to RC10 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aromatic hydrocarbon group, or an aromatic heterocyclic group.
    Type: Application
    Filed: September 25, 2018
    Publication date: January 24, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Fumiko TAMAKUNI, Yosuke YAMAMOTO, Tetsuya WATANABE
  • Publication number: 20180261770
    Abstract: An object of the present invention is to provide an organic semiconductor composition that may form an organic thin film transistor having excellent hysteresis characteristics while high carrier mobility is maintained. Another object of the present invention is to provide an organic semiconductor film, an organic thin film transistor, and a method of manufacturing an organic thin film transistor. An organic semiconductor composition according to the present invention includes: a compound X having a molecular weight of 2,000 or greater and having a repeating unit represented by Formula (1); and a low molecular weight compound Y represented by Formula (2).
    Type: Application
    Filed: May 14, 2018
    Publication date: September 13, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yosuke YAMAMOTO, Fumiko TAMAKUNI
  • Publication number: 20180175300
    Abstract: An object of the present invention is to provide an organic thin film transistor exhibiting high carrier mobility and a low threshold voltage and having excellent heat resistance, a method of manufacturing an organic thin film transistor, an organic semiconductor composition, an organic semiconductor film, and a method of manufacturing an organic semiconductor film.
    Type: Application
    Filed: February 15, 2018
    Publication date: June 21, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yosuke YAMAMOTO, Hiroo TAKIZAWA, Yuta SHIGENOI, Fumiko TAMAKUNI, Takashi GOTO, Tetsuya WATANABE
  • Publication number: 20180175299
    Abstract: An object of the present invention is to provide an organic thin film transistor exhibiting high carrier mobility and a low threshold voltage and having excellent heat resistance, a method of manufacturing an organic thin film transistor, an organic semiconductor composition, an organic semiconductor film, and a method of manufacturing an organic semiconductor film.
    Type: Application
    Filed: February 15, 2018
    Publication date: June 21, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Yosuke YAMAMOTO, Hiroo TAKIZAWA, Yuta SHIGENOI, Fumiko TAMAKUNI, Takashi GOTO, Tetsuya WATANABE
  • Publication number: 20180145258
    Abstract: The present invention relates to an organic semiconductor element (particularly, an organic thin film transistor) which exhibits high carrier mobility and can stably maintain carrier mobility even after long-term storage under high temperature and high humidity, a compound, an organic semiconductor composition using the compound, an organic semiconductor film, and a manufacturing method thereof. The organic semiconductor element of the present invention includes an organic semiconductor layer containing a compound having a molecular weight of 2,000 or greater and a repeating unit represented by Formula (1). ?D-A???(1) In Formula (1), A is an electron acceptor unit, D is an electron donor unit, and D and/or A have at least one monovalent organic group represented by Formula (1-1).
    Type: Application
    Filed: December 29, 2017
    Publication date: May 24, 2018
    Applicant: FUJIFILM Corporation
    Inventor: Fumiko TAMAKUNI
  • Publication number: 20180006229
    Abstract: Objects of the present invention are to provide an organic semiconductor element in which carrier mobility is high, variation of mobility is suppressed, and temporal stability under high temperature and high humidity is excellent, and a manufacturing method thereof, to provide a novel compound suitable for an organic semiconductor, and to provide an organic semiconductor film in which mobility is high, variation of mobility is suppressed, and temporal stability under high temperature and high humidity is excellent, a manufacturing method thereof, and an organic semiconductor composition that can suitably form the organic semiconductor film. The organic semiconductor element according to the present invention is an organic semiconductor layer containing a compound having a constitutional repeating unit represented by Formula 1 and having a molecular weight of 2,000 or greater.
    Type: Application
    Filed: September 6, 2017
    Publication date: January 4, 2018
    Inventors: Tetsu KITAMURA, Yosuke YAMAMOTO, Fumiko TAMAKUNI, Yuta SHIGENOI, Takashi GOTO, Tetsuya WATANABE