Patents by Inventor Yasunori Yonekuta

Yasunori Yonekuta 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: 20210055653
    Abstract: Provided are an actinic ray-sensitive or radiation-sensitive resin composition containing a resin (A), in which the resin (A) includes a repeating unit having an acidic group and a repeating unit having an acid-decomposable group, a content of the repeating unit having an acidic group is 15% by mole or more with respect to all the repeating units in the resin (A), a content of the repeating unit having an acid-decomposable group is more than 20% by mole with respect to all the repeating units in the resin (A), a glass transition temperature of the resin (A) is 145° C. or lower, and the actinic ray-sensitive or radiation-sensitive resin composition is used for formation of a film having a film thickness of 2 ?m or more; and a resist film, a pattern forming method, and a method for manufacturing an electronic device, each using the actinic ray-sensitive or radiation-sensitive resin composition.
    Type: Application
    Filed: March 3, 2020
    Publication date: February 25, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tsutomu YOSHIMURA, Yasunori YONEKUTA, Naoya HATAKEYAMA, Kohei HIGASHI, Yoichi NISHIDA
  • Patent number: 10840461
    Abstract: Provided is an organic electroluminescence device material, which, in its production, is free from formation of impurities that worsen the performance of organic EL devices, which, in forming an upper layer by coating, does not cause dissolution mixing or swelling mixing, which forms a film of good quality and which contributes toward improving the performance (high durability, and low driving voltage) of organic EL devices.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: November 17, 2020
    Assignee: UDC Ireland Limited
    Inventors: Yasunori Yonekuta, Koji Takaku, Naoyuki Hayashi
  • Publication number: 20200301281
    Abstract: A resist composition includes a resin (A) including at least one repeating unit selected from the group consisting of a repeating unit represented by General Formula (1) as defined herein and a repeating unit represented by General Formula (2) as defined herein, and a repeating unit having an acid-decomposable group.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 24, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yasunori Yonekuta, Naoya Hatakeyama, Tsutomu Yoshimura
  • Publication number: 20200203648
    Abstract: An organic electroluminescent element which has a substrate, a pair of electrodes disposed on this substrate and composed of an anode and a cathode, and at least one organic layer disposed between these electrodes and including a light-emitting layer, and in which a compound expressed by General Formula 1-1 is contained in at least one layer of the aforementioned light-emitting layer(s) exhibits high luminous efficiency, excellent blue color purity, and little change in chromaticity accompanying drive deterioration.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 25, 2020
    Inventors: Tetsu KITAMURA, Koji TAKAKU, Wataru SOTOYAMA, Yasunori YONEKUTA, Toshihiro ISE, Saki TAKADA, Toru WATANABE
  • Publication number: 20200058883
    Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula, has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving (Cy represents a fused aromatic ring structure having the number of constituent rings of 3 or more, and has Dn1 and Ac1 as different constituent rings, and each of the constituent rings are all hydrocarbon rings. Dn1 represents NR11, an O atom, or an S atom. Ac1 represents an electron absorbing substituent, an aryl group having an electron absorbing substituent, or an electron deficient heteroaryl group. The ring Z1 represents an arylene group or a heteroarylene group. L1, L2 and L3 represent specific linking groups.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 20, 2020
    Inventors: Koji Takaku, Tetsu Kitamura, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe, Toshihiro Ise, Saki Takada
  • Publication number: 20200019058
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition includes: a resin, in which the actinic ray-sensitive or radiation-sensitive resin composition has a concentration of a solid content of 10% by mass or more, and in which the resin includes: a repeating unit A which is a repeating unit derived from a monomer allowing a homopolymer formed therefrom to have a glass transition temperature of 50° C. or lower, and a repeating unit B which is a repeating unit having an acid-decomposable group, a content of the repeating unit B is 20% by mole or less with respect to all the repeating units in the resin, and at least one of the repeating unit contained in the resin is a repeating unit having an aromatic ring.
    Type: Application
    Filed: September 23, 2019
    Publication date: January 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Naoya HATAKEYAMA, Yasunori YONEKUTA, Tsutomu YOSHIMURA, Kohei HIGASHI, Yoichi NISHIDA
  • Patent number: 10468607
    Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn1, Ac1, L1, L2, L3, ring Z1, u1, q1, n1, m1, A11, and A12 are as defined herein.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: November 5, 2019
    Assignee: UDC Ireland Limited
    Inventors: Koji Takaku, Tetsu Kitamura, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe, Toshihiro Ise, Saki Takada
  • Publication number: 20190259955
    Abstract: An organic electroluminescent element including a luminescent compound represented by the following formula (in which R1 to R14 each independently represent a hydrogen atom, a deuterium atom, an alkyl group, an aryl group, a heteroaryl group, a fluorine atom, a cyano group, an amino group, an alkoxy group, an aryloxy group, a thio group, or a silyl group, and 8 to 13 groups out of R1 to R14 each represent a hydrogen atom or a deuterium atom) in a light emitting layer has high durability and excellent chromaticity.
    Type: Application
    Filed: May 6, 2019
    Publication date: August 22, 2019
    Inventors: Toru Watanabe, Yuki Hirai, Tianhua Ouyang, Koji Takaku, Wataru Sotoyama, Tetsu Kitamura, Yasunori Yonekuta
  • Patent number: 10297760
    Abstract: An organic electroluminescent element comprising a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer which is arranged between the electrodes and which includes a light emitting layer, wherein the organic layer contains a compound represented by general formula (1) in at least one layer. The organic electroluminescent element has a high luminous efficiency, excellent blue color purity, and little chromaticity change due to drive deterioration. (In the formula, the two Xs either both represent an O atom or both represent an S atom, and R1-R10 each independently represents a hydrogen atom or a substituent group).
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: May 21, 2019
    Assignee: UDC IRELAND LIMITED
    Inventors: Tetsu Kitamura, Koji Takaku, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe, Masaru Kinoshita
  • Publication number: 20190137875
    Abstract: An actinic ray-sensitive or radiation-sensitive resin composition contains a resin which has a repeating unit having an alkyleneoxy chain and a repeating unit having an aromatic group, and has a concentration of the solid content of 10% by mass or more. A pattern forming method has (i) forming an actinic ray-sensitive or radiation-sensitive film having a film thickness of 1 ?m or more on a substrate with an actinic ray-sensitive or radiation-sensitive resin composition containing a resin which has a repeating unit having an alkyleneoxy chain.
    Type: Application
    Filed: December 27, 2018
    Publication date: May 9, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Naoya HATAKEYAMA, Yasunori YONEKUTA, Toshiaki FUKUHARA, Takamitsu TOMIGA, Fumihiro YOSHINO
  • Publication number: 20190011835
    Abstract: The present invention provides a protective film forming composition capable of forming a pattern having excellent depth of focus and exposure latitude even after being stored for a predetermined period of time. The protective film forming composition of the present invention contains a resin, a basic compound, a solvent, and an antioxidant.
    Type: Application
    Filed: September 14, 2018
    Publication date: January 10, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Yasunori YONEKUTA
  • Publication number: 20180299776
    Abstract: Provided are a pattern forming method including a film forming step of forming a film using a resin composition containing a resin (A) obtained from a monomer having a silicon atom, the monomer having a turbidity of 1 ppm or less based on JIS K0101:1998 using formazin as a reference material and an integrating sphere measurement system as a measurement system, in which the pattern forming method is capable of remarkably improving scum defect performance, particularly in formation of an ultrafine pattern (for example, a line-and-space pattern having a line width of 50 nm or less, or a hole pattern having a hole diameter of 50 nm or less); and a method for manufacturing an electronic device, using the pattern forming method.
    Type: Application
    Filed: June 21, 2018
    Publication date: October 18, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Naoya HATAKEYAMA, Akiyoshi GOTO, Yasunori YONEKUTA
  • Publication number: 20180292751
    Abstract: The present invention has an object to provide an actinic ray-sensitive or radiation-sensitive resin composition having excellent collapse performance, an actinic ray-sensitive or radiation-sensitive film formed using the composition, a pattern forming method using the composition, and a method for manufacturing an electronic device, including the pattern forming method. The actinic ray-sensitive or radiation-sensitive resin composition of the present invention is an actinic ray-sensitive or radiation-sensitive resin composition containing a resin whose solubility with respect to a developer changes by the action of an acid, in which the resin includes a repeating unit derived from a monomer having at least one of a lactone structure or an amide structure, and the dissolution parameter of the monomer is 24.0 or more.
    Type: Application
    Filed: June 13, 2018
    Publication date: October 11, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke ASAKAWA, Akiyoshi GOTO, Yasunori YONEKUTA, Naoya HATAKEYAMA, Michihiro SHIRAKAWA, Keiyu OU
  • Patent number: 10008671
    Abstract: Provided are an organic thin-film transistor including: a gate electrode, an organic semiconductor layer, a gate insulating layer, and a source electrode and a drain electrode on a substrate, in which the organic semiconductor layer contains an organic semiconductor and a block copolymer, and the block copolymer is at least one selected from specific block copolymers such as a styrene-(meth)acrylate ester block copolymer and may be phase-separated, and a method for manufacturing an organic thin-film transistor, which includes an organic semiconductor containing a phase-separated block copolymer, including: applying a coating solution which contains an organic semiconductor and a block copolymer for film formation; and heating the obtained film so that the block copolymer is self-assembled.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: June 26, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Hiroo Takizawa, Teruki Niori, Yasunori Yonekuta, Hayato Yoshida
  • Patent number: 9954190
    Abstract: An organic electroluminescent element that uses a compound expressed by the following general formula emits dark blue light and exhibits little change in chromaticity during brightness modulation. (n1 is an integer from 0 to 8; the R1 [groups] are each independently a substituent substituted for a hydrogen atom of the pyrene skeleton; X is CRaRb (Ra and Rb are each independently a hydrogen atom or a substituent), O, S, or SiRdRe (Rd and Re are each independently a hydrogen atom or a substituent); and A1 to A4 represent each independently either N or CRf (Rf represents a hydrogen atom or a substituent, and two adjacent Rf [groups] may jointly form a saturated or unsaturated ring, but no more than two rings may be formed jointly by two or more of the Rf [groups]).
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: April 24, 2018
    Assignee: UDC IRELAND LIMITED
    Inventors: Saki Takada, Yasunori Yonekuta, Toshihiro Ise, Tetsu Kitamura, Toru Watanabe, Wataru Sotoyama, Koji Takaku, Katsuyuki Youfu
  • Publication number: 20180102483
    Abstract: An organic electroluminescent element comprising a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer which is arranged between the electrodes and which includes a light emitting layer, wherein the organic layer contains a compound represented by general formula (1) in at least one layer. The organic electroluminescent element has a high luminous efficiency, excellent blue color purity, and little chromaticity change due to drive deterioration. (In the formula, the two Xs either both represent an O atom or both represent an S atom, and R1-R10 each independently represents a hydrogen atom or a substituent group).
    Type: Application
    Filed: October 5, 2017
    Publication date: April 12, 2018
    Inventors: Tetsu Kitamura, Koji Takaku, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe, Masaru Kinoshita
  • Publication number: 20180069179
    Abstract: The disclosure relates to organic electroluminescent elements, compounds for use in the elements, and devices using the elements, which include a compound represented by the following General Formula (1): where R1 to R3 and R6 to R8 each independently represents a hydrogen atom, which may be a deuterium atom, or a substituent with a Hammett substituent constant ?p value of ?0.15 or more, R5, R9 and R10 each independently represents a hydrogen atom or a substituent, L1 represents a divalent linking group, DG1 represents a donor group, and n1 represents 1 or 2, and where R1 to R3, R5 to R10, L1, and DG1 are not bound to each other to form a ring.
    Type: Application
    Filed: November 8, 2017
    Publication date: March 8, 2018
    Inventors: Koji Takaku, Yasunori Yonekuta, Wataru Sotoyama, Katsuyuki Youfu, Yuki Hirai, Tetsu Kitamura, Toru Watanabe, Tianhua Ouyang
  • Patent number: 9899605
    Abstract: An organic thin film transistor containing a compound represented by the formula (1) in a semiconductor active layer has a high carrier mobility, a small change in the threshold voltage after repeated driving and a high solubility in an organic solvent. A1 and A2 represent S, O or Se; at least one of R1 to R6 represents a substituent represented by *-L-R wherein L represents a divalent linking group and R represents a hydrogen atom, an alkyl group, an oligooxyethylene group, an oligosiloxane group or a trialkylsilyl group.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: February 20, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Yasunori Yonekuta, Koji Takaku, Wataru Sotoyama
  • Patent number: 9812650
    Abstract: An organic electroluminescent element comprising a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer which is arranged between the electrodes and which includes a light emitting layer, wherein the organic layer contains a compound represented by general formula (1) in at least one layer. The organic electroluminescent element has a high luminous efficiency, excellent blue color purity, and little chromaticity change due to drive deterioration. (In the formula, the two Xs either both represent an O atom or both represent an S atom, and R1-R10 each independently represents a hydrogen atom or a substituent group).
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: November 7, 2017
    Assignee: UDC Ireland Limited
    Inventors: Tetsu Kitamura, Koji Takaku, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe, Masaru Kinoshita
  • Patent number: 9799832
    Abstract: An organic thin-film transistor including: a gate electrode, an organic semiconductor layer, a gate insulating layer, a source electrode, and a drain electrode on a substrate, in which the organic semiconductor layer includes an organic semiconductor and a resin (C) having one or more groups selected from the group consisting of a group having fluorine atoms, a group having silicon atoms, an alkyl group having one or more carbon atoms or having two or more carbon atoms in a case of forming an alkoxycarbonyl group, a cycloalkyl group, an aralkyl group, an aryloxycarbonyl group, an aromatic ring group substituted with at least one alkyl group, and an aromatic ring group substituted with at least one cycloalkyl group; and a method for manufacturing an organic thin-film transistor including: applying a coating solution which contains the organic semiconductor and the resin (C) and causing the resin (C) to be unevenly distributed.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: October 24, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Hiroo Takizawa, Teruki Niori, Yasunori Yonekuta, Syuji Hirano