Patents by Inventor Tomotsugu SUGIOKA

Tomotsugu SUGIOKA 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: 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: 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
  • Patent number: 10868252
    Abstract: An organic electronic material containing a charge transport polymer for which, in a molecular weight distribution chart measured by GPC, the area ratio accounted for by components having a molecular weight of less than 20,000 is not more than 40%, and the area ratio accounted for by components having a molecular weight of 500 or less is not more than 1%.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: December 15, 2020
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Yuki Yoshinari, Kenichi Ishitsuka, Tomotsugu Sugioka, Shigeaki Funyuu, Shunsuke Ueda, Naoki Asano, Hiroshi Takaira, Iori Fukushima, Daisuke Ryuzaki
  • Patent number: 10840452
    Abstract: One embodiment relates to an organic electronic material containing a charge transport polymer or oligomer, wherein the charge transport polymer or oligomer has a structural unit containing an aromatic amine structure substituted with a fluorine atom.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: November 17, 2020
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Shigeaki Funyuu, Tomotsugu Sugioka, Kenichi Ishitsuka, Naoki Asano
  • 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: 20200235312
    Abstract: A charge transport material which can be used for an organic electronic element and contains a charge transport polymer capable of improving the element characteristics is provided, and an ink composition containing the material is also provided. Further, an organic electronic element and an organic EL element having excellent element characteristics, and a display element, an illumination device and a display device that use these elements are also provided. More specifically, an organic electronic material containing a charge transport polymer or oligomer having at least one structural unit containing a substituted or unsubstituted dibenzofuran structure or dibenzothiophene structure is provided.
    Type: Application
    Filed: February 2, 2018
    Publication date: July 23, 2020
    Inventors: Tomotsugu SUGIOKA, Kenichi ISHITSUKA, Yuki YOSHINARI, Ryo HONNA, Hirotaka SAKUMA
  • Publication number: 20200185610
    Abstract: One embodiment relates to an organic electronic material containing a charge transport polymer or oligomer, wherein the charge transport polymer or oligomer has a nitrogen atom and an aromatic hydrocarbon group ArF that is bonded to the nitrogen atom and is substituted with a fluorine atom, and also has a structural unit containing a carbazole structure.
    Type: Application
    Filed: October 12, 2017
    Publication date: June 11, 2020
    Inventors: Tomotsugu SUGIOKA, Shigeaki FUNYUU, Naoki ASANO, Kenichi ISHITSUKA, Yuki YOSHINARI
  • 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: 20200083456
    Abstract: One embodiment relates to an organic electronic material containing a charge transport polymer or oligomer having a crosslinking group represented by formula (1) shown below at least at one terminal, and also having a crosslinking group represented by formula (2) shown below at least at one terminal. In formula (1), each of Ra to Rg independently represents a hydrogen atom or a substituent. In formula (2), each of Ra to Rc independently represents a hydrogen atom or a substituent.
    Type: Application
    Filed: February 9, 2017
    Publication date: March 12, 2020
    Inventors: Tomotsugu SUGIOKA, Kenichi ISHITSUKA, Ryo HONNA, Hirotaka SAKUMA
  • 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: 20200044154
    Abstract: The present invention relates to an organic electronic material containing at least an ionic compound represented by general formula (1) shown below and a compound having a charge transport unit. The present invention can provide an organic electronic material that is capable of forming an organic electronic element having a low drive voltage and excellent emission efficiency and lifespan characteristics. In general formula (1), ArF represents a fluoroaryl group or a fluoroheteroaryl group, each of Ra and Rb independently represents a hydrogen atom (H), an alkyl group, a benzyl group, an aryl group or a heteroaryl group, and A represents an anion.
    Type: Application
    Filed: October 13, 2016
    Publication date: February 6, 2020
    Inventors: Tomotsugu SUGIOKA, Kenichi ISHITSUKA, Yuki YOSHINARI, Daisuke RYUZAKI, Naoki ASANO
  • 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: 20190393417
    Abstract: One embodiment relates to an organic electronic material containing a charge transport polymer or oligomer having a crosslinking group represented by formula (1) shown below at two or more terminal portions.
    Type: Application
    Filed: January 24, 2018
    Publication date: December 26, 2019
    Inventors: Tomotsugu SUGIOKA, Kenichi ISHITSUKA, Yuki YOSHINARI, Ryo HONNA, Hirotaka SAKUMA
  • Publication number: 20190305225
    Abstract: An organic electronic material containing a charge transport polymer for which, in a molecular weight distribution chart measured by GPC, the area ratio accounted for by components having a molecular weight of less than 20,000 is not more than 40%, and the area ratio accounted for by components having a molecular weight of 500 or less is not more than 1%.
    Type: Application
    Filed: September 7, 2016
    Publication date: October 3, 2019
    Inventors: Yuki YOSHINARI, Kenichi ISHITSUKA, Tomotsugu SUGIOKA, Shigeaki FUNYUU, Shunsuke UEDA, Naoki ASANO, Hiroshi TAKAIRA, Iori FUKUSHIMA, Daisuke RYUZAKI
  • Publication number: 20190267550
    Abstract: An organic electronic material including a charge transport polymer that includes any one of the structures represented by formulas (1) to (3) or formulas (1a) to (3a) is provided. X: (substituted) oxetanyl or (substituted) vinyl; n: from 1 to 12; Xa: a polymerizable functional group; m: from 1 to 30.
    Type: Application
    Filed: July 20, 2017
    Publication date: August 29, 2019
    Inventors: Yuki YOSHINARI, Kenichi ISHITSUKA, Tomotsugu SUGIOKA, Ryo HONNA, Daisuke RYUZAKI, Shigeaki FUNYUU