Patents by Inventor Kenji SHIROKANE

Kenji SHIROKANE 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: 20220186056
    Abstract: Provided are an ink for an impermeable base material, including an aqueous medium and resin particles, in which a resin of the resin particles has a glass transition temperature of ?40° C. or higher and 85° C. or lower, the resin has at least one selected from the group consisting of a unit (1) to a unit (3), and at least one of an acid group or a salt of the acid group, an acid value of the resin is 0.10 mmol/g or greater and 2.65 mmol/g or less, and a proportion of a solvent having a boiling point of 250° C. or higher in the aqueous medium is 3% by mass or less, and an image recording method. R2 represents a hydrogen atom or a C1 to C4 alkyl group, A2 represents —NH— or —N(L4-Y4)—, L2 and L4 represent a divalent group or a single bond, L3 represents a divalent group, and Y2 to Y4 represent a monovalent group.
    Type: Application
    Filed: January 24, 2022
    Publication date: June 16, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Kenji SHIROKANE, Ayato SATO
  • Publication number: 20220143999
    Abstract: Provided is an image recording method including applying an ink containing water, a resin X, and a colorant onto a resin base material A which has a specific distortion rate and to which a tension is applied, to obtain an image, heating the image to a temperature Td and drying the image, and cooling the image to a temperature Tr, in which ?total calculated by Equation (1) is 40 kgf/cm2 or less. E(Td) represents an elastic modulus of the resin X at the temperature Td, ?(Td) represents an expansion coefficient of the resin base material A under specific conditions, E(T) represents an elastic modulus of the resin X at a temperature T of the image in the cooling, ?r(T) represents a linear expansion coefficient of the resin X at the temperature T, and ?s(T) represents a linear expansion coefficient of the resin base material A under specific conditions.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 12, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Takeshi Miyato, Michio Arai, Yusuke Fujii, Kenji Shirokane
  • Publication number: 20220143998
    Abstract: Provided is an image recording method including applying a pretreatment liquid containing water and a resin X and an ink containing water and a colorant onto a resin base material A which has a specific distortion rate and to which a tension is applied, to obtain an image, heating the image to a temperature Td and drying the image, and cooling the image to a temperature Tr, in which ?total calculated by Equation (1) is 40 kgf/cm2 or less. E(Td) represents an elastic modulus of the resin X at the temperature Td, ?(Td) represents an expansion coefficient of the resin base material A under specific conditions, E(T) represents an elastic modulus of the resin X at a temperature T of the image in the cooling, ?r(T) represents a linear expansion coefficient of the resin X at the temperature T, and ?s(T) represents a linear expansion coefficient of the resin base material A under specific conditions.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 12, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Takeshi MIYATO, Michio ARAI, Yusuke FUJII, Kenji SHIROKANE
  • 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
  • Publication number: 20210197605
    Abstract: A pretreatment liquid is a pretreatment liquid to be used for a pretreatment that is performed on an impermeable base material before an image is recorded on the impermeable base material, including a resin and an aqueous medium, in which the resin has at least one selected from the group consisting of a structural unit (1), and a structural unit (2), a glass transition temperature of the resin is ?40° C. or higher and lower than 100° C., and a content of an alkyl (meth)acrylate unit containing a C2 or more chain alkyl group in the resin is less than 5% by mass. In the formulae, R2 represents a hydrogen atom or a C1 to C4 alkyl group, A2 represents —NH— or —N(L4-Y4)—, L2 and L4 represent a divalent group or a single bond, L3 represents a divalent group, Y2 and Y4 represent a monovalent group such as an alkyl group, and Y3 represents a monovalent group such as —OH.
    Type: Application
    Filed: March 15, 2021
    Publication date: July 1, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Kenji SHIROKANE, Shoichiro KOBAYASHI, Yusuke FUJII
  • Publication number: 20210197606
    Abstract: A pretreatment liquid is a pretreatment liquid to be used for a pretreatment that is performed on an impermeable base material before an image is recorded on the impermeable base material, containing an aggregating agent, an aqueous medium, and a resin, in which the resin has at least one selected from the group consisting of a structural unit (1), a structural unit (2), and a structural unit (3), and a glass transition temperature of the resin is ?40° C. or higher and lower than 100° C. In the formulae, R2 represents a hydrogen atom or a C1 to C4 alkyl group, A2 represents —NH— or —N(L4-Y4)—, L2 and L4 represent a divalent group or a single bond, L3 represents a divalent group, Y2 and Y4 represent a monovalent group such as an alkyl group, and Y3 represents a monovalent group such as —OH.
    Type: Application
    Filed: March 17, 2021
    Publication date: July 1, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Kenji SHIROKANE, Shoichiro KOBAYASHI, Yusuke FUJII
  • 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: 20200376877
    Abstract: Provided are a pretreatment liquid for recording an image on an impermeable base material with an aqueous ink, the pretreatment liquid including an aqueous medium, a resin a having a glass transition temperature of lower than 25° C., and particles of a resin b having a glass transition temperature of 25° C. or higher; an ink set; a base material for image recording; an image recorded material; a method of producing a base material for image recording; and an image recording method.
    Type: Application
    Filed: August 20, 2020
    Publication date: December 3, 2020
    Inventors: Kenji SHIROKANE, Yusuke FUJII
  • 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: 20200035419
    Abstract: A photoelectric conversion element includes a first electrode that has a photosensitive layer containing a light absorbing agent on a conductive support; and a second electrode that is opposite to the first electrode, in which the light absorbing agent contains a perovskite compound, and a compound represented by Formula (A-0), (G)p-L, ??Formula (A-0) in the formula, G represents a group or a salt such as —P(?O)(ORa)2 and —P(?O)(O?Ya+)2; Ra represents a hydrogen atom or a substituent; Ya represents a counter salt; p is an integer of 1 or more; and L represents an aliphatic hydrocarbon group not having an amino group.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka SATO, Kenji SHIROKANE, Kimiatsu NOMURA
  • 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
  • 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: 20190304707
    Abstract: Provided are a photoelectric conversion element including a first electrode having a photosensitive layer including a light absorber on a conductive support and a second electrode facing the first electrode, in which the light absorber includes a compound having a perovskite-type crystal structure including organic cations, cations of a metallic atom other than elements belonging to Group I of the periodic table, and anions, and at least some of the organic cations constituting the compound are organic cations having a silyl group and a solar cell using the photoelectric conversion element. Also provided is a composition containing a compound represented by Formula (1a) and a halogenated metal: R13Si-L-NR23Hal??Formula (1a) in the formula, R1, R2, and L are specific groups; and Hal represents a halogen atom.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka Satou, Kenji Shirokane, Toshihiro Ise, Katsumi Kobayashi
  • Patent number: 10418186
    Abstract: Provided are a photoelectric conversion element including a first electrode having a photosensitive layer including a light absorber on a conductive support and a second electrode facing the first electrode, in which the light absorber includes a compound having a perovskite-type crystal structure including organic cations, cations of a metallic atom other than elements belonging to Group I of the periodic table, and anions, and at least some of the organic cations constituting the compound are organic cations having a silyl group and a solar cell using the photoelectric conversion element. Also provided is a composition containing a compound represented by Formula (1a) and a halogenated metal. R13Si-L-NR23Hal??Formula (1a) In the formula, R1, R2, and L are specific groups. Hal represents a halogen atom.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: September 17, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Hirotaka Satou, Kenji Shirokane, Toshihiro Ise, Katsumi Kobayashi
  • Publication number: 20190189944
    Abstract: Provided is a photoelectric conversion element, including a first electrode that has a photosensitive layer containing a light absorbing agent on a conductive support, in which the light absorbing agent contains a compound having a perovskite-type crystal structure that has an organic cation represented by Formulas (1) and (2), a cation of a metal atom, and an anion; and a solar cell which is formed of this photoelectric conversion element. C(R1)(R2)(R3)—N(R1a)3+??Formula (1) R4—NR2a3+??Formula (2) R1, R2, R3, and R4 represent specific substituent that may be different from each other. R1a and R2a represent a hydrogen atom or a specific substituent.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 20, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kenji SHIROKANE, Hirotaka SATOU, Toshihiro ISE
  • Publication number: 20190189362
    Abstract: Provided is a photoelectric conversion element in which a photosensitive layer is composed of a light absorbing agent containing a perovskite compound, the element including a protective layer that includes a compound having a molecular weight of 5000 or less which is represented by Formula (A), on a surface of the photosensitive layer; a method for manufacturing this photoelectric conversion element; and a solar cell which is formed of this photoelectric conversion element. RA—Z??Formula (A) In Formula (A), RA represents a specific group. Z represents an acidic group or a salt thereof. Further provided is a surface treating agent for a perovskite-type crystal film, including a compound having a molecular weight of 5000 or less which is represented by Formula (A).
    Type: Application
    Filed: February 26, 2019
    Publication date: June 20, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Kenji SHIROKANE, Hirotaka Satou, Toshihiro Ise
  • Publication number: 20190027621
    Abstract: A photoelectric conversion element includes, in this order: a first electrode that includes a photosensitive layer containing a light absorbing agent on a conductive support; a compound layer that contains a surface treating agent and is provided on a surface of the photosensitive layer; and a second electrode, in which the light absorbing agent contains a compound having a perovskite-type crystal structure that has a cation of an element of Group 1 in the periodic table or a cationic organic group A, a cation of a metal atom M other than elements of Group 1 in the periodic table, and an anion of an anionic atom or atomic group X, and the surface treating agent is represented by a specific formula.
    Type: Application
    Filed: September 25, 2018
    Publication date: January 24, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka SATO, Kenji SHIROKANE, Toshihiro ISE
  • Publication number: 20190006119
    Abstract: A photoelectric conversion element includes, at least: a conductive support; a photosensitive layer that contains a light absorbing agent; a hole transport layer that contains a hole transporting material; and a second electrode, in which at least one of the photosensitive layer or the hole transport layer is provided on the conductive support to constitute a first electrode in combination with the conductive support, and in which the hole transport layer contains a compound Q having at least one structure M represented by Formula 1 as the hole transporting material, provided that in a case where the compound Q has two or more of the structures M, the two or more structures M may be the same as or different from each other.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 3, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka SATO, Kenji SHIROKANE
  • Publication number: 20180204683
    Abstract: Provided are a photoelectric conversion element including an electrically conductive support, a photoconductor layer, a charge transfer layer, and a counter electrode, in which the photoconductor layer has semiconductor fine particles carrying a metal complex dye represented by Formula (1), and at least one of metal complex dyes represented by Formulae (2) and (3), a dye-sensitized solar cell, a dye composition, and an oxide semiconductor electrode. In the formulae, M represents a metal ion. Ar11 to Ar14 each represent an aryl group or the like. L1 and L2 each represent an ethenylene group or the like. R11 to R14 each represent an alkyl group or the like. n11 and n12 each represent an integer of 0 to 3, and n13 and n14 each represent an integer of 0 to 4. X represents —NCS or —SCN. M1 and M2 each represent a proton, a metal cation, or a non-metal cation.
    Type: Application
    Filed: March 15, 2018
    Publication date: July 19, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Kousuke WATANABE, Yukio TANI, Kenji SHIROKANE, Tomoaki YOSHIOKA, Kouitsu SASAKI
  • Publication number: 20180144877
    Abstract: Provided is a photoelectric conversion element including at least a first electrode that includes a conductive support, a photosensitive layer that contains a light absorbing agent, a hole transport layer that contains an organic hole transporting material, and a second electrode. At least one of the photosensitive layer or the hole transport layer is provided on the conductive support to constitute the first electrode in combination with the conductive support. The photosensitive layer includes at least a compound having a perovskite-type crystal structure that includes a cation of an element of Group 1 in the periodic table or a cationic organic group A, a cation of a metal atom M other than elements of Group 1 in the periodic table, and an anion of an anionic atom or atomic group X as the light absorbing agent. The hole transport layer includes at least a compound represented by the following Formula 1 as the organic hole transporting material.
    Type: Application
    Filed: January 19, 2018
    Publication date: May 24, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka SATOU, Naoyuki HANAKI, Toshihiro ISE, Kenji SHIROKANE