Patents by Inventor Kazuyuki Kamo

Kazuyuki Kamo 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).

  • Patent number: 11508909
    Abstract: An organic electronic material containing a charge transport compound having at least one of the structural regions represented by formulas (1), (2) and (3) shown below. In the formulas, Ar represents an arylene group or heteroarylene group of 2 to 30 carbon atoms, a represents an integer of 1 to 6, b represents an integer of 2 to 6, c represents an integer of 2 to 6, and X represents a substituted or unsubstituted polymerizable functional group.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: November 22, 2022
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Ryota Moriyama, Naoki Asano, Iori Fukushima, Hiroshi Takaira, Kazuyuki Kamo, Shunsuke Kodama
  • Patent number: 11476421
    Abstract: One embodiment relates to an organic electronic material containing a charge transport polymer, wherein the charge transport polymer is a polymer which, when 25 ?L portions of methanol are added dropwise and stirred into 1,000 ?L of a solution containing the charge transport polymer and toluene in a ratio of 20 mg of the charge transport polymer per 2,290 ?L of toluene, the amount of methanol added by the time cloudiness develops in the solution is greater than 350 ?L.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: October 18, 2022
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Kazuyuki Kamo, Iori Fukushima, Ryota Moriyama, Shunsuke Kodama, Naoki Asano, Hirotaka Sakuma
  • Patent number: 11459462
    Abstract: A charge transport material containing a charge transport polymer that satisfies at least one of (I) or (II) described below: (I) to independently have both a monovalent substituent having an alicyclic structure of 7 or more carbon atoms, and a monovalent substituent having a carbonyl-containing group; and (II) to have a monovalent substituent that includes a monovalent substituent having an alicyclic structure of 7 or more carbon atoms bonded directly to a carbonyl-containing group.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: October 4, 2022
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Kazuyuki Kamo, Naoki Asano, Hiroshi Takaira, Iori Fukushima, Shigeaki Funyuu
  • Publication number: 20220251298
    Abstract: An embodiment of the present invention relates to an organic electronics material which includes a charge-transporting polymer comprising a structural unit represented by formula (1), at least one structural unit selected from the group consisting of structural units represented by formula (2-1) and structural units represented by formula (2-2), a structural unit represented by formula (3), and at least one structural unit selected from the group consisting of structural units represented by formula (4-1) and structural units represented by formula (4-2).
    Type: Application
    Filed: April 26, 2019
    Publication date: August 11, 2022
    Applicant: Showa Denko Materials Co., Ltd.
    Inventors: Kazuyuki KAMO, Iori FUKUSHIMA, Kenichi ISHITSUKA, Takanori MIYA
  • Patent number: 11398604
    Abstract: An organic electronic material containing a charge transport compound having a structural region represented by formula (I) and having a weight average molecular weight greater than 40,000. —Ar—X—Y—Z??(I) In the formula, Ar represents an arylene group or heteroarylene group of 2 to 30 carbon atoms, X represents a linking group, Y represents an aliphatic hydrocarbon group of 1 to 10 carbon atoms, and Z represents a substituted or unsubstituted polymerizable functional group.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: July 26, 2022
    Assignee: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Kazuyuki Kamo, Naoki Asano, Hiroshi Takaira, Iori Fukushima, Shigeaki Funyuu
  • Publication number: 20220216415
    Abstract: An embodiment of the present invention pertains to an organic electronics material containing a charge-transporting polymer which includes: a structural unit represented by formula (1); at least one structural unit selected from the group consisting of a structural unit represented by formula (2-1) and a structural unit represented by formula (2-2); and a structural unit which is represented by formula (3) an of which an amount is 85-100 mol % with respect to the total amount of monovalent structural units.
    Type: Application
    Filed: April 26, 2019
    Publication date: July 7, 2022
    Applicant: Showa Denko Materials Co., Ltd.
    Inventors: Kazuyuki KAMO, Iori FUKUSHIMA, Kenichi ISHITSUKA, Takanori MIYA
  • Publication number: 20210395441
    Abstract: An organic electronic material including a charge transporting polymer having a structure that is represented by Formula (1) and that is branched in three or more directions (in the formula, Rf's are each independently a fluoroalkyl group, a and b are 0 or 1, and a and b are not both 0 at the same time).
    Type: Application
    Filed: September 28, 2018
    Publication date: December 23, 2021
    Applicant: Showa Denko Materials Co., Ltd.
    Inventors: Kazuyuki KAMO, Iori FUKUSHIMA, Tomotsugu SUGIOKA, Kenichi ISHITSUKA, Akihiro YOSHIDA
  • Publication number: 20210340441
    Abstract: An organic electronic material that includes a charge transporting polymer which has a branched structure and has a structural unit having a structure represented by Formula (1).
    Type: Application
    Filed: September 28, 2018
    Publication date: November 4, 2021
    Applicant: Showa Denko Materials Co., Ltd.
    Inventors: Kazuyuki KAMO, Iori FUKUSHIMA, Tomotsugu SUGIOKA, Kenichi ISHITSUKA
  • Patent number: 11118005
    Abstract: Embodiments of the present invention relate to a composition containing a polymer or oligomer (A) and an initiator (B), wherein the polymer or oligomer (A) contains no alkyl groups of 5 or more carbon atoms, contains at least one type of structural unit selected from the group consisting of a structural unit containing an aromatic amine structure and a structural unit containing a carbazole structure, and contains, at one or more terminals, a structural unit containing a thienyl group which may have a substituent, and a degree of solubility of the composition is capable of being changed by applying heat, light, or both heat and light.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: September 14, 2021
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Kazuyuki Kamo, Hirotaka Sakuma, Kenichi Ishitsuka, Tomotsugu Sugioka, Yuki Yoshinari, Ryo Honna, Daisuke Ryuzaki
  • Publication number: 20210226129
    Abstract: A charge transport polymer containing a structural unit having an N-aryl phenoxazine skeleton is produced, and is used as a charge transport material.
    Type: Application
    Filed: April 13, 2017
    Publication date: July 22, 2021
    Applicant: Hitachi Chemical Company, Ltd.
    Inventors: Kazuyuki KAMO, Naoki ASANO, Hiroshi TAKAIRA
  • Publication number: 20210179771
    Abstract: One embodiment relates to a charge transport polymer containing a molecular chain and terminal groups bonded to the molecular chain, wherein the terminal groups include a terminal group P containing a polymerizable functional group and a terminal group EW containing an aromatic hydrocarbon group substituted with an electron-withdrawing substituent, the terminal group P includes a terminal group represented by formula (P1) shown below, and among the carbon atoms contained in the ring of the aromatic hydrocarbon group, if the carbon atom that is bonded to the molecular chain is numbered 1, and numbers are assigned in order to the adjoining carbon atoms, then the electron-withdrawing substituent is bonded to a carbon atom numbered 1+2n (wherein n is an integer of 1 or greater).
    Type: Application
    Filed: October 27, 2017
    Publication date: June 17, 2021
    Inventors: Iori FUKUSHIMA, Hirotaka SAKUMA, Kenichi ISHITSUKA, Kazuyuki KAMO, Shunsuke KODAMA, Tomotsugu SUGIOKA, Tomomi UCHIYAMA, Ryota MORIYAMA, Ryo HONNA
  • Publication number: 20210179770
    Abstract: One embodiment relates to a charge transport polymer containing a molecular chain and terminal groups bonded to the molecular chain, wherein the terminal groups include a terminal group P containing a polymerizable functional group and a terminal group B containing an aromatic hydrocarbon group substituted with a branched or cyclic substituent, and among the carbon atoms contained in the ring of the aromatic hydrocarbon group, if the carbon atom that is bonded to the molecular chain is numbered 1, and numbers are assigned in order to the adjoining carbon atoms, then the branched or cyclic substituent is bonded to a carbon atom numbered 1+2n (wherein n is an integer of 1 or greater).
    Type: Application
    Filed: October 27, 2017
    Publication date: June 17, 2021
    Inventors: Iori FUKUSHIMA, Hirotaka SAKUMA, Kenichi ISHITSUKA, Kazuyuki KAMO, Shunsuke KODAMA, Tomotsugu SUGIOKA, Tomomi UCHIYAMA, Ryota MORIYAMA, Ryo HONNA
  • Publication number: 20200358022
    Abstract: Provided is a production method related to an organic thin film formed using an organic electronic material containing a charge transport compound, the method suppressing any deterioration in performance during film formation and enabling the formation of an organic thin film having excellent performance. The method for producing an organic thin film includes a step of forming a coating film of an organic electronic material containing a charge transport compound, and a step of heating the coating film under an inert gas atmosphere to form an organic thin film.
    Type: Application
    Filed: November 19, 2018
    Publication date: November 12, 2020
    Inventors: Kazuyuki KAMO, Shunsuke KODAMA, Iori FUKUSHIMA, Ryota MORIYAMA, Tomotsugu SUGIOKA, Ryo HONNA, Kenichi ISHITSUKA
  • Publication number: 20200161556
    Abstract: One embodiment relates to an organic electronic material containing a charge transport polymer, wherein the charge transport polymer is a polymer which, when 25 ?L portions of methanol are added dropwise and stirred into 1,000 ?L of a solution containing the charge transport polymer and toluene in a ratio of 20 mg of the charge transport polymer per 2,290 ?L of toluene, the amount of methanol added by the time cloudiness develops in the solution is greater than 350 ?L.
    Type: Application
    Filed: July 4, 2018
    Publication date: May 21, 2020
    Inventors: Kazuyuki KAMO, Iori FUKUSHIMA, Ryota MORIYAMA, Shunsuke KODAMA, Naoki ASANO, Hirotaka SAKUMA
  • Publication number: 20200106018
    Abstract: Disclosed is an organic electronic material containing a polymer or oligomer having a structural unit that has hole transport properties, and also having an alkyl chain of 6 to 20 carbon atoms. Also disclosed are an ink composition, an organic layer, an organic electronic element, an organic electroluminescent element, a display element, an illumination device and a display device.
    Type: Application
    Filed: March 24, 2017
    Publication date: April 2, 2020
    Inventors: Ryo HONNA, Yuki YOSHINARI, Tomotsugu SUGIOKA, Kenichi ISHITSUKA, Hirotaka SAKUMA, Kazuyuki KAMO, Daisuke RYUZAKI
  • Publication number: 20200048408
    Abstract: Embodiments of the present invention relate to a composition containing a polymer or oligomer (A) and an initiator (B), wherein the polymer or oligomer (A) contains no alkyl groups of 5 or more carbon atoms, contains at least one type of structural unit selected from the group consisting of a structural unit containing an aromatic amine structure and a structural unit containing a carbazole structure, and contains, at one or more terminals, a structural unit containing a thienyl group which may have a substituent, and a degree of solubility of the composition is capable of being changed by applying heat, light, or both heat and light.
    Type: Application
    Filed: October 3, 2016
    Publication date: February 13, 2020
    Inventors: Kazuyuki KAMO, Hirotaka SAKUMA, Kenichi ISHITSUKA, Tomotsugu SUGIOKA, Yuki YOSHINARI, Ryo HONNA, Daisuke RYUZAKI
  • Publication number: 20200032001
    Abstract: One embodiment relates to a branched polymer production method including reacting a monomer component containing at least reactive monomers (1) and (2) described below. The reactive monomer (1) has at least a conjugation unit and three or more reactive functional groups bonded to the conjugation unit, wherein the three or more reactive functional groups include two types of reactive functional groups that are mutually different. The reactive monomer (2) has at least a conjugation unit and two reactive functional groups bonded to the conjugation unit, wherein one of the two reactive functional groups is a group capable of reacting with one type of reactive functional group selected from among the two types of reactive functional groups, and the other of the two reactive functional groups is a group capable of reacting with the other type of reactive functional group selected from among the two types of reactive functional groups.
    Type: Application
    Filed: February 6, 2018
    Publication date: January 30, 2020
    Inventors: Kenichi ISHITSUKA, Hirotaka SAKUMA, Kazuyuki KAMO, Tomotsugu SUGIOKA, Yuki YOSHINARI, Ryo HONNA, Naoki ASANO, Iori FUKUSHIMA, Shunsuke KODAMA, Hiroshi TAKAIRA, Ryota MORIYAMA
  • Publication number: 20200028108
    Abstract: A charge transport material containing at least one charge transport polymer selected from the group consisting of a first charge transport polymer having one or more monovalent conjugated diene-containing groups, and a second charge transport polymer having one or more monovalent dienophile-containing groups.
    Type: Application
    Filed: March 14, 2018
    Publication date: January 23, 2020
    Inventors: Shunsuke KODAMA, Iori FUKUSHIMA, Ryota MORIYAMA, Kenichi ISHITSUKA, Kenichi ISHITSUKA, Kazuyuki KAMO, Tomotsugu SUGIOKA, Yuki YOSHINARI, Ryo HONNA, Tomomi UCHIYAMA, Naoki ASANO, Hiroshi TAKAIRA
  • Publication number: 20200017631
    Abstract: One embodiment relates to a branched polymer production method that includes reacting a monomer component containing at least a reactive monomer (1) described below. The reactive monomer (1) has at least a conjugation unit and three or more reactive functional groups bonded to the conjugation unit, and the three or more reactive functional groups include two types of reactive functional groups that are mutually different.
    Type: Application
    Filed: February 6, 2018
    Publication date: January 16, 2020
    Inventors: Kenichi ISHITSUKA, Hirotaka SAKUMA, Kazuyuki KAMO, Tomotsugu SUGIOKA, Yuki YOSHINARI, Ryo HONNA, Naoki ASANO, Iori FUKUSHIMA, Shunsuke KODAMA, Hiroshi TAKAIRA, Ryota MORIYAMA
  • Publication number: 20200013956
    Abstract: An organic electronic material containing a charge transport compound having at least one of the structural regions represented by formulas (1), (2) and (3) shown below. In the formulas, Ar represents an arylene group or heteroarylene group of 2 to 30 carbon atoms, a represents an integer of 1 to 6, b represents an integer of 2 to 6, c represents an integer of 2 to 6, and X represents a substituted or unsubstituted polymerizable functional group.
    Type: Application
    Filed: February 28, 2018
    Publication date: January 9, 2020
    Inventors: Ryota MORIYAMA, Naoki ASANO, Iori FUKUSHIMA, Hiroshi TAKAIRA, Kazuyuki KAMO, Shunsuke KODAMA