Patents by Inventor Keisuke Hashimoto

Keisuke Hashimoto 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: 11798810
    Abstract: A resist underlayer film-forming composition exhibiting high etching resistance, high heat resistance, and excellent coatability; a resist underlayer film obtained using the resist underlayer film-forming composition and a method for producing the same; a method for forming a resist pattern; and a method for producing a semiconductor device. A resist underlayer film-forming composition including a polymer and a compound represented by Formula (1) as a solvent. In Formula (1), R1, R2, and R3 in Formula (1) each independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, which may be interrupted by an oxygen atom, a sulfur atom, or an amide bond, and R1, R2, and R3 may be the same or different and may bond to each other to form a ring structure.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: October 24, 2023
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru Tokunaga, Satoshi Hamada, Keisuke Hashimoto, Rikimaru Sakamoto
  • Publication number: 20230324802
    Abstract: A resist underlayer film for lithography does not cause intermixing with a resist layer, has high dry etching resistance and high heat resistance, and generates a low amount of sublimate. A resist underlayer film-forming composition containing a polymer having a unit structure of the following formula (1): wherein A is a divalent group having at least two amino groups, the group is derived from a compound having a condensed ring structure and an aromatic group for substituting a hydrogen atom on the condensed ring, and B1 and B2 are each independently a hydrogen atom, an alkyl group, a benzene ring group, a condensed ring group, or a combination thereof, or B1 and B2 optionally form a ring with a carbon atom bonded to B1 and B2.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 12, 2023
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hikaru TOKUNAGA, Daigo SAITO, Keisuke HASHIMOTO, Rikimaru SAKAMOTO
  • Patent number: 11741035
    Abstract: A circuit device includes a bus, a plurality of master circuits that are coupled to the bus and are bus masters in the bus, and a plurality of slave circuits that are coupled to the plurality of master circuits via the bus and are bus slaves in the bus. Access authority to the bus slaves is set for the plurality of master circuits, and permission setting of read access or write access from the bus masters is performed for the plurality of slave circuits. The plurality of master circuits determine whether the plurality of slave circuits are accessible based on the access authority and the permission setting.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: August 29, 2023
    Inventor: Keisuke Hashimoto
  • Patent number: 11720024
    Abstract: A resist underlayer film for lithography does not cause intermixing with a resist layer, has high dry etching resistance and high heat resistance, and generates a low amount of sublimate. A resist underlayer film-forming composition containing a polymer having a unit structure of the following formula (1): wherein A is a divalent group having at least two amino groups, the group is derived from a compound having a condensed ring structure and an aromatic group for substituting a hydrogen atom on the condensed ring, and B1 and B2 are each independently a hydrogen atom, an alkyl group, a benzene ring group, a condensed ring group, or a combination thereof, or B1 and B2 optionally form a ring with a carbon atom bonded to B1 and B2.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: August 8, 2023
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hikaru Tokunaga, Daigo Saito, Keisuke Hashimoto, Rikimaru Sakamoto
  • Publication number: 20230244141
    Abstract: A photocurable composition for forming coating film having flattening properties on a substrate, with high fillability into patterns and capability of forming a coating film that is free from thermal shrinkage, which contains at least one compound that contains a photodegradable nitrogen-containing and/or photodegradable sulfur-containing structure, a hydrocarbon structure, and a solvent. The compound may have the photodegradable nitrogen-containing and/or photodegradable sulfur-containing structure and the hydrocarbon structure in one molecule, or may be a combination of compounds which contain the structures in separate molecules.
    Type: Application
    Filed: March 30, 2023
    Publication date: August 3, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru TOKUNAGA, Takafumi ENDO, Keisuke HASHIMOTO, Rikimaru SAKAMOTO
  • Publication number: 20230240029
    Abstract: A supporting assembly comprises a first body having a first surface, a second body having a second surface, a third body having a third surface, a fourth body having a fourth surface, a first hinge member, and a second hinge member. The first hinge member is hinged to the first body and the second body. The second hinge member is hinged to the second body and the third body. The fourth body has hinged to and between the second body and the third body.
    Type: Application
    Filed: January 18, 2023
    Publication date: July 27, 2023
    Inventors: Keisuke HASHIMOTO, Kenji NAKAZAWA
  • Publication number: 20230204589
    Abstract: Provided are a cancer therapeutic drug comprising a compound which inhibits GPX4 as an active ingredient, the cancer therapeutic drug treating cancer containing a cancer cell having a suppressed function of a SWI/SNF complex factor detected; and a method for predicting sensitivity of a cancer cell to a GPX4 inhibitor, the method comprising the step of predicting a cancer cell having a suppressed function of a SWI/SNF complex factor detected in the cancer cell, as having sensitivity to the GPX4 inhibitor.
    Type: Application
    Filed: December 25, 2020
    Publication date: June 29, 2023
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Kiyomoto Ogasawara, Keisuke Hashimoto, Kenji Kashima, Hiroshi Sakamoto
  • Patent number: 11681223
    Abstract: A photocurable composition for forming coating film having flattening properties on a substrate, with high fillability into patterns and capability of forming a coating film that is free from thermal shrinkage, which contains at least one compound that contains a photodegradable nitrogen-containing and/or sulfur-containing structure, a hydrocarbon structure, and a solvent. A compound which contains at least one photodegradable structure in one molecule. A compound which contains the photodegradable structures, and the hydrocarbon structure in one molecule, or a combination of compounds which contain the structures in separate molecules. The hydrocarbon structure is a saturated or unsaturated, linear, branched or cyclic hydrocarbon group having a carbon atom number of 1 to 40.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: June 20, 2023
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru Tokunaga, Takafumi Endo, Keisuke Hashimoto, Rikimaru Sakamoto
  • Patent number: 11674051
    Abstract: A stepped substrate coating composition for forming a coating film having planarity on a substrate, including: a main agent and a solvent, the main agent containing a compound (A), a compound (B), or a mixture thereof, the compound (A) having a partial structure Formula (A-1) or (A-2): and the compound (B) having at least one partial structure selected from Formulae (B-1)-(B-5), or having a partial structure including a combination of a partial structure of Formula (B-6) and a partial structure of Formula (B-7) or (B-8): where the composition is cured by photoirradiation or by heating at 30° C.-300° C.; and the amount of the main agent in the solid content of the composition is 95%-100% by mass.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: June 13, 2023
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru Tokunaga, Takafumi Endo, Hiroto Ogata, Keisuke Hashimoto, Makoto Nakajima
  • Patent number: 11650505
    Abstract: A resist underlayer film for lithography has high solubility in a resist solvent (solvent used in lithography) for expressing good coating film forming property and a smaller selection ratio of dry etching rate as compared with a resist. A resist underlayer film-forming composition containing a novolac resin containing a structure (C) obtained by a reaction of an aromatic ring of an aromatic compound (A) with a hydroxy group-containing aromatic methylol compound (B). The aromatic compound (A) may be a component constituting the structure (C) in the novolac resin. The hydroxy group-containing aromatic methylol compound (B) may be a compound of Formula (1): The hydroxy group-containing aromatic methylol compound (B) may be 2-hydroxybenzyl alcohol, 4-hydroxybenzyl alcohol, or 2,6-di-tert-butyl-4-hydroxymethyl phenol.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: May 16, 2023
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hirokazu Nishimaki, Rikimaru Sakamoto, Keisuke Hashimoto, Takafumi Endo
  • Publication number: 20230112897
    Abstract: A method for producing a coated substrate includes applying a photocurable silicon-containing coating film-forming composition to an uneven substrate; and exposing the photocurable silicon-containing coating film-forming composition to light, wherein the photocurable silicon-containing coating film-forming composition comprises a hydrolyzable silane, a hydrolysate thereof, or a hydrolytic condensate thereof, wherein the hydrolyzable silane is a hydrolyzable silane of the following Formula (1): R1aR2bSi(R3)4?(a+b)??Formula (1) wherein R1 is a functional group relating to photocrosslinking; R2 is an alkyl group and is bonded to a silicon atom via an Si—C bond; R3 is an alkoxy group, an acyloxy group, or a halogen group; a is an integer of 1; b is an integer of 0 to 2; and a+b is an integer of 1 to 3.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 13, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Wataru SHIBAYAMA, Hikaru TOKUNAGA, Ken ISHIBASHI, Keisuke HASHIMOTO, Makoto NAKAJIMA
  • Patent number: 11592747
    Abstract: There is provided resist underlayer film for lithography process with high dry etching resistance, wiggling resistance, and heat resistance. Resist underlayer film-forming composition for lithography including polymer having unit structure of Formula (1): wherein A is hydroxy group-substituted C6-40 arylene group derived from polyhydroxy aromatic compound; B is C6-40 arylene group or C4-30 heterocyclic group containing nitrogen atom, oxygen atom, sulfur atom, or combination thereof; X+ is H+, NH4+, primary ammonium ion, secondary ammonium ion, tertiary ammonium ion, or quaternary ammonium ion, T is hydrogen atom, C1-10 alkyl group or C6-40 aryl group that may be substituted with halogen group, hydroxy group, nitro group, amino group, carboxylate ester group, nitrile group, or combination thereof as substituent, or C4-30 heterocyclic group containing nitrogen atom, oxygen atom, sulfur atom, or combination thereof, B and T may form C4-40 ring together with carbon atom to which they are bonded.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: February 28, 2023
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Yasunobu Someya, Ryo Karasawa, Keisuke Hashimoto, Tetsuya Shinjo, Rikimaru Sakamoto
  • Publication number: 20230051151
    Abstract: An electrophoretic display including a low-modulus adhesive foam. The electrophoretic display additionally includes a conductive integrated barrier layer including a light-transmissive electrode and a moisture barrier. In some embodiments, the resulting electrophoretic display may include touch sensing, a front light, color, and a digitizing layer to record interactions with a stylus. In some embodiments, the display includes a color filter array.
    Type: Application
    Filed: October 26, 2022
    Publication date: February 16, 2023
    Inventors: Keisuke HASHIMOTO, Kenji NAKAZAWA, Bamboo TSAI, Yung-Sheng CHANG, JiaJiun YEH, Hsintao HUANG
  • Publication number: 20220404707
    Abstract: A resist underlayer film for lithography does not cause intermixing with a resist layer, has high dry etching resistance and high heat resistance, and generates a low amount of sublimate. A resist underlayer film-forming composition containing a polymer having a unit structure of the following formula (1): wherein A is a divalent group having at least two amino groups, the group is derived from a compound having a condensed ring structure and an aromatic group for substituting a hydrogen atom on the condensed ring, and B1 and B2 are each independently a hydrogen atom, an alkyl group, a benzene ring group, a condensed ring group, or a combination thereof, or B1 and B2 optionally form a ring with a carbon atom bonded to B1 and B.
    Type: Application
    Filed: August 4, 2022
    Publication date: December 22, 2022
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hikaru TOKUNAGA, Daigo SAITO, Keisuke HASHIMOTO, Rikimaru SAKAMOTO
  • Patent number: 11513415
    Abstract: A foldable electrophoretic display that is flexible and may be folded in a book-like fashion. Foldable electrophoretic display modules that can be separately manufactured and incorporated into a variety of foldable devices with differing functionality as needed by the consumer. In some embodiments, the resulting foldable electrophoretic display may include touch sensing, a front light, color, and a digitizing layer to record interactions with a stylus. In some embodiments, the display includes a color filter array.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: November 29, 2022
    Assignee: E Ink Corporation
    Inventors: Keisuke Hashimoto, Kenji Nakazawa, Bamboo Tsai, Yung-Sheng Chang, JiaJiun Yeh, Hsintao Huang
  • Patent number: 11506980
    Abstract: Provided are: a resist underlayer film formation composition combining high etching resistance, high heat resistance, and excellent coating properties; a resist underlayer film in which the resist underlayer film formation composition is used and a method for manufacturing the resist underlayer film; a method for forming a resist pattern; and a method for manufacturing a semiconductor device. The resist underlayer film formation composition is characterized by including the compound represented by Formula (1), or a polymer derived from the compound represented by Formula (1) (where: AA represents a single bond or a double bond; X1 represents —N(R1)—; X2 represents —N(R2)—; X3 represents —CH(R3)—; X4 represents —CH(R4)— etc.; R1, R2, R3, and R4 represent hydrogen atoms, C1-20 straight chain, branched, or cyclic alkyl groups, etc.; R5, R6, R9, and R10 represent hydrogen atoms, hydroxy groups, alkyl groups, etc.; R7 and R8 represent benzene rings or naphthalene rings; and n and o are 0 or 1).
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: November 22, 2022
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru Tokunaga, Keisuke Hashimoto, Rikimaru Sakamoto
  • Publication number: 20220269628
    Abstract: A circuit device includes a bus, a plurality of master circuits that are coupled to the bus and are bus masters in the bus, and a plurality of slave circuits that are coupled to the plurality of master circuits via the bus and are bus slaves in the bus. Access authority to the bus slaves is set for the plurality of master circuits, and permission setting of read access or write access from the bus masters is performed for the plurality of slave circuits. The plurality of master circuits determine whether the plurality of slave circuits are accessible based on the access authority and the permission setting.
    Type: Application
    Filed: February 24, 2022
    Publication date: August 25, 2022
    Inventor: Keisuke HASHIMOTO
  • Patent number: 11385546
    Abstract: There are provided a plasma-curable multi-level substrate coating film-forming composition for forming a coating film having planarity on a substrate, wherein the composition can fill a pattern sufficiently.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: July 12, 2022
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Takafumi Endo, Hikaru Tokunaga, Keisuke Hashimoto, Rikimaru Sakamoto
  • Patent number: 11339242
    Abstract: A method for manufacturing a semiconductor substrate having a patterned group-III nitride compound layer without collapsing a formed mask pattern due to reflow or decomposition even when an etching method at a high temperature of 300° C.-700° C. is used, including the steps: forming a patterned mask layer on the substrate's group-III nitride compound layer, and etching the group-III nitride compound layer by dry etching at 300° C. or higher and 700° C. or lower using the mask pattern, to form patterned group-III nitride compound layer, wherein the patterned mask layer contains a polymer containing a unit structure of the following Formula (1): a polymer containing a unit structure of the following Formula (2): O—Ar1??Formula (2) a polymer containing a structural unit of the following Formula (3): O—Ar2—O—Ar3-T-Ar4??Formula (3) a polymer containing a combination of unit structure of Formula (2) and unit structure of Formula (3), or a crosslinked structure of the polymers.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: May 24, 2022
    Assignees: NISSAN CHEMICAL CORPORATION, NAGOYA UNIVERSITY
    Inventors: Keisuke Hashimoto, Yasunobu Someya, Masaru Hori, Makoto Sekine
  • Patent number: 11333693
    Abstract: A frequency measurement apparatus includes: a measurement period setting circuit that sets a measurement period based on a reference clock signal; a first counter circuit that counts the number of pulses of the reference clock signal in a period based on an input signal during the measurement period; a second counter circuit that counts the number of pulses of the input signal during the measurement period; a first frequency calculation circuit that calculates a first frequency; a second frequency calculation circuit that calculates a second frequency; and a frequency selection circuit that selects the first frequency or the second frequency as a frequency of the input signal.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: May 17, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Keisuke Hashimoto