Patents by Inventor Takayuki Okachi

Takayuki Okachi 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: 20190250510
    Abstract: To provide a photosensitive composition excellent in a patterning property and capable of producing an organic thin-film transistor exhibiting high carrier mobility by being used in an insulation layer. A photosensitive composition comprising a polymer compound containing at least one repeating unit selected from the group consisting of a repeating unit represented by the following formula (1) and a repeating unit represented by the following formula (2) and a compound having at least two azide groups: In the formula (1), Ar1 represents a phenyl group or a naphthyl group, and in the formula (2), Ar2 represents a phenyl group or a naphthyl group. l and m are numbers satisfying that 1?15 and l+m>90 when the total amount of all repeating units contained in the above-described polymer compound is taken as 100.
    Type: Application
    Filed: February 6, 2019
    Publication date: August 15, 2019
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED.
    Inventors: Takayuki Okachi, Yuki Yokoi
  • Publication number: 20190250509
    Abstract: A photosensitive composition comprising a polymer compound composed of a repeating unit represented by the following formula (1) and at least one repeating unit selected from the group consisting of a repeating unit represented by the following formula (2), a repeating unit represented by the following formula (3) and a repeating unit represented by the following formula (4), and a compound having at least two azide groups: In the formula (1), Ar1 represents a phenyl group or a naphthyl group, and in the formula (2), Ar2 represents a phenyl group or a naphthyl group. l, m, n1 and n2 are numbers satisfying l?15 and m+n1+n2=100-l, and 1+n2?10 when the total amount of all repeating units contained in the above-described polymer compound is taken as 100.
    Type: Application
    Filed: February 6, 2019
    Publication date: August 15, 2019
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takayuki OKACHI, Eiji Yoshikawa
  • Patent number: 9818946
    Abstract: A film comprising a polymer compound and a low molecular weight compound having carrier transportability, wherein the content of the low molecular weight compound is 5 to 40 parts by mass with respect to 100 parts by mass of the sum of the polymer compound and the low molecular weight compound, the diffraction intensity A specified by the following measuring method A is 3 to 50, and the intensity ratio (A/B) of the diffraction intensity A specified by the following measuring method A to the diffraction intensity B specified by the following measuring method B is 30 or less: (Measuring method A) the diffraction intensity A is the maximum diffraction intensity in a range of scattering vector of 1 nm?1 to 5 nm?1 in a profile obtained by an Out-of plane measuring method using a film X-ray diffraction method; (Measuring method B) the diffraction intensity B is the maximum diffraction intensity in a range of scattering vector of 10 nm?1 to 21 nm?1 in a profile obtained by an In-plane measuring method using a film X
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: November 14, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Sho Kanesaka, Hidekazu Yoshida, Tomoya Kashiki, Takayuki Okachi
  • Publication number: 20170110665
    Abstract: A film comprising a polymer compound and a low molecular weight compound having carrier transportability, wherein the content of the low molecular weight compound is 5 to 40 parts by mass with respect to 100 parts by mass of the sum of the polymer compound and the low molecular weight compound, the diffraction intensity A specified by the following measuring method A is 3 to 50, and the intensity ratio (A/B) of the diffraction intensity A specified by the following measuring method A to the diffraction intensity B specified by the following measuring method B is 30 or less: (Measuring method A) the diffraction intensity A is the maximum diffraction intensity in a range of scattering vector of 1 nm?1 to 5 nm?1 in a profile obtained by an Out-of plane measuring method using a film X-ray diffraction method; (Measuring method B) the diffraction intensity B is the maximum diffraction intensity in a range of scattering vector of 10 nm?1 to 21 nm?1 in a profile obtained by an In-plane measuring method using a film X
    Type: Application
    Filed: April 15, 2015
    Publication date: April 20, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Sho KANESAKA, Hidekazu YOSHIDA, Tomoya KASHIKI, Takayuki OKACHI
  • Publication number: 20170025613
    Abstract: A composition comprising a polymer compound containing a structural unit represented by the formula (1) and a compound represented by the formula (2): [wherein Ring A and Ring B each independently represent a heterocyclic ring, and this heterocyclic ring may have a substituent. Ring C represents an aromatic hydrocarbon ring or a heterocyclic ring, and these rings may have a substituent. Z1 represents a group represented by the formula (Z-1), a group represented by the formula (Z-2), a group represented by the formula (Z-3), a group represented by the formula (Z-4) or a group represented by the formula (Z-5). A plurality of Z1 may be mutually the same or different.] [wherein R1 represents an alkyl group, a cycloalkyl group, an alkoxy group, a cycloalkoxy group, an alkylthio group, a cycloalkylthio group, an aryl group or a monovalent heterocyclic ring group, and these groups may have a substituent. When there are a plurality of R1, they may be the same or different.
    Type: Application
    Filed: April 15, 2015
    Publication date: January 26, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Sho KANESAKA, Hidekazu YOSHIDA, Tomoya KASHIKI, Takayuki OKACHI
  • Publication number: 20160035903
    Abstract: Thin-film transistor includes column-shaped protrusion portion having a side surface and protruding from a main surface of the substrate, a gate insulating layer including a first layer and a second layer, at least part of the gate insulating layer being in a channel region extending along the side surface, a gate electrode in contact with the gate insulating layer, a source electrode and a drain electrode isolated from one another, at least part of one of the source electrode and the drain electrode overlap the protrusion portion and the other being in a region that does not overlap the protrusion portion or the one electrode, and a semiconductor layer in contact with at least part of the source electrode, at least part of the drain electrode, and at least part of the gate insulating layer in the channel region directly or with a functional layer interposed.
    Type: Application
    Filed: February 26, 2014
    Publication date: February 4, 2016
    Applicants: OSAKA UNIVERSITY, SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takayuki OKACHI, Junichi TAKEYA
  • Patent number: 9178165
    Abstract: To provide an organic semiconductor composition that can exhibit a high carrier transport property and give uniform characteristics. An organic semiconductor composition characterized by containing a high molecular weight compound having a carrier transport property and a low molecular weight compound, in which the low molecular weight compound has a structure represented by Formula (1) and a content ratio of the low molecular weight compound is from 5 to 95 parts by mass relative to a total of 100 parts by mass of the high molecular weight compound and the low molecular weight compound, [where, E represents a sulfur atom or a selenium atom, three E's may be the same or may be different from one another, and an aromatic ring in Formula may have substituents].
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: November 3, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji Kohiro, Takayuki Okachi
  • Publication number: 20130140548
    Abstract: To provide an organic semiconductor composition that can exhibit a high carrier transport property and give uniform characteristics. An organic semiconductor composition characterized by containing a high molecular weight compound having a carrier transport property and a low molecular weight compound, in which the low molecular weight compound has a structure represented by Formula (1) and a content ratio of the low molecular weight compound is from 5 to 95 parts by mass relative to a total of 100 parts by mass of the high molecular weight compound and the low molecular weight compound, [where, E represents a sulfur atom or a selenium atom, three E's may be the same or may be different from one another, and an aromatic ring in Formula may have substituents].
    Type: Application
    Filed: July 13, 2011
    Publication date: June 6, 2013
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji Kohiro, Takayuki Okachi