Patents by Inventor Tomoyuki Imada

Tomoyuki Imada 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: 20250022546
    Abstract: To improve a technique of searching for a thermosetting epoxy resin composition. A method of searching for a thermosetting epoxy resin composition executed by an information processor, the method including the steps of: training a plurality of predictive models each corresponding to a target variable using actual data related to a thermosetting epoxy resin composition; and searching for a thermosetting epoxy resin composition with a desired balance of physical properties by inverse analysis using the plurality of predictive models, the actual data include a blend raw material and a blend ratio of the thermosetting epoxy resin composition, a polymer composition related to the blend raw material, and a structural formula related to the blend raw material, and the target variable includes tensile strength, fracture toughness, and a glass transition temperature.
    Type: Application
    Filed: June 8, 2023
    Publication date: January 16, 2025
    Applicant: DIC Corporation
    Inventors: Yutaro NISHIYAMA, Tomoyuki IMADA
  • Publication number: 20240270891
    Abstract: Provided is a phenolic hydroxy group-containing resin having sufficient solubility in organic solvents, having excellent infiltratability into microscopic spaces because of having low viscosity and low polarity, and being capable of being used for ultrafine wiring pattern formation. Specifically, provided is a phenolic hydroxy group-containing resin containing one or more phenolic hydroxy group-containing compounds (1) selected from the group consisting of a compound (1) represented by Structural Formula (1) below and a compound (1?) represented by Structural Formula (1?) below.
    Type: Application
    Filed: September 9, 2021
    Publication date: August 15, 2024
    Applicant: DIC Corporation
    Inventors: Tomoyuki Imada, Norio Nagae
  • Publication number: 20240086733
    Abstract: Techniques for searching for phenol compounds are to be improved. A method for searching for a novolac phenol resin that is performed by an information processing device includes the steps of: generating a plurality of prediction models corresponding to a plurality of objective variables, using actual data pertaining to a novolac phenol resin; and searching for a novolac phenol resin having a desired physical property balance by inverse analysis using the prediction models. The actual data includes a polymer composition, a structural formula, a reaction solvent, and a reaction parameter pertaining to the novolac phenol resin. The objective variables include developability, heat resistance, and molecular weight.
    Type: Application
    Filed: December 8, 2022
    Publication date: March 14, 2024
    Applicant: DIC Corporation
    Inventor: Tomoyuki Imada
  • Publication number: 20230159707
    Abstract: Provided are a coating composition for producing an interlayer insulation film, the coating composition making it possible to produce an interlayer insulation film patterned and having a high Young’s modulus and a low relative dielectric constant in high throughput, a method for producing the interlayer insulation film, and a semiconductor element including the interlayer insulation film. Specifically, the coating composition for producing the interlayer insulation film includes: a polymerizable compound (A) being a polymerizable silicon compound having two or more polymerizable groups, at least one of the two or more polymerizable groups being a polymerizable group Q expressed by *-O-R-Y (wherein * represents a bond with a silicon atom, R represents a single bond, an unsubstituted or substituted alkylene group having 1 to 12 carbon atoms and optionally containing a heteroatom, or a phenylene group, and Y represents a polymerizable group); and a photopolymerization initiator (B).
    Type: Application
    Filed: February 4, 2021
    Publication date: May 25, 2023
    Applicant: DIC Corporation
    Inventors: Takeshi Ibe, Tomoyuki Imada
  • Patent number: 11487204
    Abstract: To provide a resist material that can form a film with high smoothness and uniformity and has high patterning performance, such as resolution, a resist material is provided that contains a calixarene compound (A) with a molecular structure represented by the following structural formula (1) and a resin component (B); wherein R1 denotes a perfluoroalkyl group or a structural moiety with a perfluoroalkyl group; R2 denotes a hydrogen atom, a polar group, a polymerizable group, or a structural moiety with a polar group or a polymerizable group; R3 denotes a hydrogen atom, an aliphatic hydrocarbon group that optionally has a substituent, or an aryl group that optionally has a substituent; n denotes an integer in the range of 2 to 10; and * denotes a bonding point with an aromatic ring.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: November 1, 2022
    Assignee: DIC Corporation
    Inventors: Tomoyuki Imada, Shinya Yamamoto, Masanori Miyamoto
  • Patent number: 11472763
    Abstract: A calixarene compound represented by formula (1) below is provided. The calixarene compound contains, per molecule, at least one —CH2OH group or phenolic hydroxy group and at least one carbon-carbon unsaturated bond. R1's are a structural moiety (A), which has a —CH2OH group; a structural moiety (B), which has a carbon-carbon unsaturated bond; a structural moiety (C), which has a —CH2OH group and a carbon-carbon unsaturated bond; a monovalent organic group (D), which is different from (A), (B), and (C); or a hydrogen atom (E). R2's are (A), (B), (C), (D), or (E) provided that not all R2's are (E). R3's are one of a hydrogen atom, an aliphatic hydrocarbon group, and an aryl group, n is 2 to 10. * is a point of attachment to an aromatic ring. A curable composition including the calixarene compound is provided.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: October 18, 2022
    Assignee: DIC Corporation
    Inventors: Shinya Yamamoto, Yutaka Kadomoto, Masanori Miyamoto, Tomoyuki Imada, Hidetomo Kai
  • Publication number: 20220315527
    Abstract: Provided is a calixarene compound represented by structural formula (1). In structural formula (1), R1 and R2 each independently represent a structural moiety (A) having a functional group (I), a structural moiety (B) having a functional group (II) having a carbon-carbon unsaturated bond (excluding maleate groups), a structural moiety (C) having both the functional group (I) and the functional group (II), a monovalent organic group (D) that has 1 to 20 carbon atoms and is other than the structural moieties (A), (B) and (C), or a hydrogen atom (E). At least one of a plurality of R2s is the structural moiety (A), the structural moiety (B), the structural moiety (C), or the organic group (D).
    Type: Application
    Filed: May 15, 2019
    Publication date: October 6, 2022
    Applicant: DIC Corporation
    Inventors: Shinya Yamamoto, Masanori Miyamoto, Hidetomo Kai, Tomoyuki Imada, Yutaka Kadomoto
  • Patent number: 11254778
    Abstract: The invention provides a novolak resin having excellent properties such as heat resistance, alkali developability, photosensitivity and resolution, a photosensitive composition including the novolak resin, a curable composition including the novolak resin, a cured product thereof, and a resist material which uses the photosensitive composition or the curable composition. The novolak resin is one obtained from a compound (A) having a tris(hydroxyaryl)methine group and an aldehyde compound (B) as essential reaction ingredients. The photosensitive composition includes the novolak resin. The curable composition includes the novolak resin, and the cured product is one obtained from such a composition. The resist material uses the photosensitive composition or the curable composition.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: February 22, 2022
    Assignee: DIC Corporation
    Inventors: Tomoyuki Imada, Yusuke Sato
  • Patent number: 11111225
    Abstract: A compound useful as a release agent, and a release agent, a curable composition, and a nanoimprint lithography resin material each containing the compound are provided. More specifically, a calixarene compound with a molecular structure represented by the following structural formula (1) and a composition containing the calixarene compound are provided. wherein R1 denotes a structural moiety with a perfluoroalkyl group, R2 denotes a hydrogen atom, a polar group, a polymerizable group, or a structural moiety with a polar group or a polymerizable group, R3 denotes a hydrogen atom, an aliphatic hydrocarbon group that may have a substituent, or an aryl group that may have a substituent, n denotes an integer in the range of 2 to 10, and * denotes a bonding point with an aromatic ring.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: September 7, 2021
    Assignee: DIC Corporation
    Inventors: Shinya Yamamoto, Masanori Miyamoto, Tomoyuki Imada
  • Publication number: 20210198178
    Abstract: A calixarene compound represented by formula (1) below is provided. The calixarene compound contains, per molecule, at least one —CH2OH group or phenolic hydroxy group and at least one carbon-carbon unsaturated bond. R1's are a structural moiety (A), which has a —CH2OH group; a structural moiety (B), which has a carbon-carbon unsaturated bond; a structural moiety (C), which has a —CH2OH group and a carbon-carbon unsaturated bond; a monovalent organic group (D), which is different from (A), (B), and (C); or a hydrogen atom (E). R2's are (A), (B), (C), (D), or (E) provided that not all R2's are (E). R3's are one of a hydrogen atom, an aliphatic hydrocarbon group, and an aryl group. n is 2 to 10. * is a point of attachment to an aromatic ring. A curable composition including the calixarene compound is provided. A cured product of the curable composition is provided.
    Type: Application
    Filed: July 19, 2018
    Publication date: July 1, 2021
    Inventors: Shinya Yamamoto, Yutaka Kadomoto, Masanori Miyamoto, Tomoyuki Imada, Hidetomo Kai
  • Publication number: 20200166838
    Abstract: To provide a resist material that can form a film with high smoothness and uniformity and has high patterning performance, such as resolution, a resist material is provided that contains a calixarene compound (A) with a molecular structure represented by the following structural formula (1) and a resin component (B); wherein R1 denotes a perfluoroalkyl group or a structural moiety with a perfluoroalkyl group; R2 denotes a hydrogen atom, a polar group, a polymerizable group, or a structural moiety with a polar group or a polymerizable group; R3 denotes a hydrogen atom, an aliphatic hydrocarbon group that optionally has a substituent, or an aryl group that optionally has a substituent; n denotes an integer in the range of 2 to 10; and * denotes a bonding point with an aromatic ring.
    Type: Application
    Filed: July 3, 2018
    Publication date: May 28, 2020
    Applicant: DIC Corporation
    Inventors: Tomoyuki Imada, Shinya Yamamoto, Masanori Miyamoto
  • Patent number: 10577449
    Abstract: There are provided a phenolic-hydroxyl-group-containing novolac resin and resist film that are excellent in developability, heat resistance, and conformability to substrates. The phenolic-hydroxyl-group-containing novolac resin is a polycondensate of which the essential reactive components are a phenolic-hydroxyl-group-containing compound (A) represented by Structural Formula (1) [where Ar is a structural part represented by Structural Formula (Ar-1) or (Ar-2), a phenolic-hydroxyl-group-containing compound (B) represented by Structural Formula (2) [where R3 is an aliphatic hydrocarbon group having 4 to 20 carbon atoms, and j is an integer from 1 to 3], and an aldehyde compound (C).
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: March 3, 2020
    Assignee: DIC Corporation
    Inventors: Tomoyuki Imada, Yusuke Sato
  • Patent number: 10466590
    Abstract: Provided are a naphtol-type calixarene compound having high solvent solubility, a method for producing the naphthol-type calixarene compound, a photosensitive composition that contains the naphthol-type calixarene compound and provides a coating having high thermal decomposition resistance, alkali developability, photosensitivity, and resolution, and a resist material and a coating each being made of the photosensitive composition. Specifically, provided is a naphthol-type calixarene compound including a molecular structure represented by general formula (1). [In the formula (1), R1 represents a hydrogen atom, an alkyl group, an alkoxy group, an optionally substituted aryl group, an optionally substituted aralkyl group, or a halogen atom, and a plurality of R1 may be the same or different from each other; R2 represents an optionally substituted alkyl group or an optionally substituted aryl group; and n represents an integer of 2 to 10].
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: November 5, 2019
    Assignee: DIC CORPORATION
    Inventor: Tomoyuki Imada
  • Patent number: 10414850
    Abstract: Provided are a resin containing phenolic hydroxyl groups having excellent developability, heat resistance, and substrate followability, a photosensitive composition, a curable composition, and a resist film which contain the resin containing phenolic hydroxyl group. The resin containing phenolic hydroxyl groups obtained by reacting a novolac resin intermediate obtained by reacting a triarylmethane compound (A) with an aldehyde compound (B) as essential components, with an alkene compound (C) having 9 to 24 carbon atoms, a photosensitive composition, a curable composition, and a resist film which contain the resin containing phenolic hydroxyl groups.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: September 17, 2019
    Assignee: DIC Corporation
    Inventors: Tomoyuki Imada, Yusuke Sato
  • Publication number: 20190276421
    Abstract: A compound useful as a release agent, and a release agent, a curable composition, and a nanoimprint lithography resin material each containing the compound are provided. More specifically, a calixarene compound with a molecular structure represented by the following structural formula (1) and a composition containing the calixarene compound are provided. wherein R1 denotes a structural moiety with a perfluoroalkyl group, R2 denotes a hydrogen atom, a polar group, a polymerizable group, or a structural moiety with a polar group or a polymerizable group, R3 denotes a hydrogen atom, an aliphatic hydrocarbon group that may have a substituent, or an aryl group that may have a substituent, n denotes an integer in the range of 2 to 10, and * denotes a bonding point with an aromatic ring.
    Type: Application
    Filed: November 16, 2017
    Publication date: September 12, 2019
    Inventors: Shinya Yamamoto, Masanori Miyamoto, Tomoyuki Imada
  • Publication number: 20190169348
    Abstract: The invention provides a novolak resin having excellent properties such as heat resistance, alkali developability, photosensitivity and resolution, a photosensitive composition including the novolak resin, a curable composition including the novolak resin, a cured product thereof, and a resist material which uses the photosensitive composition or the curable composition. The novolak resin is one obtained from a compound (A) having a tris(hydroxyaryl)methine group and an aldehyde compound (B) as essential reaction ingredients. The photosensitive composition includes the novolak resin. The curable composition includes the novolak resin, and the cured product is one obtained from such a composition. The resist material uses the photosensitive composition or the curable composition.
    Type: Application
    Filed: March 23, 2017
    Publication date: June 6, 2019
    Applicant: DIC Corporation
    Inventors: Tomoyuki Imada, Yusuke Sato
  • Patent number: 10266471
    Abstract: A phenolic hydroxyl-containing compound is provided. The compound dissolves well in solvents and can be formulated into compositions that give coatings superior in thermal decomposition resistance, alkali developability, resolution, and dry-etch resistance. Specifically, the compound is a phenolic hydroxyl-containing calixarene represented by structural formula (1): (where A is a structural unit including a dihydroxynaphthalene- or naphthol-derived structure optionally with a substituent alkyl, alkoxy, aryl, or aralkyl group or halogen atom on the aromatic rings and a methylene group optionally having an alkyl or aryl group in place of one of the hydrogen atoms) and obtained using a dihydroxynaphthalene in combination with a naphthol, with the total repeat number p being an integer of 2 to 10.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: April 23, 2019
    Assignee: DIC Corporation
    Inventors: Tomoyuki Imada, Norio Nagae
  • Publication number: 20190077901
    Abstract: Provided are a novolac-type phenolic hydroxy group-containing resin having excellent developability, heat resistance, and dry etching resistance and a resist film. The novolac-type phenolic hydroxy group-containing resin includes, as a repeating unit, a structural moiety (I) represented by Structural Formula (1): wherein Ar represents an arylene group; R1's each independently represent any one of a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aralkyl group, and a halogen atom; and m's each independently represent an integer of 1 to 3, or a structural moiety (II) represented by Structural Formula (2): wherein Ar represents an arylene group; R1's each independently represent any one of a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aralkyl group, and a halogen atom; and m's each independently represent an integer of 1 to 3.
    Type: Application
    Filed: July 21, 2016
    Publication date: March 14, 2019
    Applicant: DIC Corporation
    Inventors: Tomoyuki Imada, Yusuke Sato
  • Patent number: 10179828
    Abstract: A curable composition and a permanent resist film made using this curable composition are provided. The composition dissolves well in solvents, gives coatings superior in alkali developability, thermal decomposition resistance, light sensitivity, and resolution, and is particularly suitable for the formation of permanent resist films. Specifically, the composition is a curable composition for permanent resist films and contains a phenolic hydroxyl-containing compound (A) that has a molecular structure represented by structural formula (1): (where R1 is hydrogen, alkyl, or aryl, and n is an integer of 2 to 10; R2 is alkyl, alkoxy, aryl, aralkyl, or halogen, and m is an integer of 0 to 4; if m is 2 or more, the plurality of R2s may be the same or different from one another, and may be bonded to either of the two aromatic rings in the naphthylene structure) and a photosensitizer (B1) or curing agent (B2).
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: January 15, 2019
    Assignee: DIC Corporation
    Inventor: Tomoyuki Imada
  • Publication number: 20180346635
    Abstract: Provided is a novolac resin having excellent developability, heat resistance, and dry etching resistance, and a resist film. A novolac resin includes a cyclic novolac resin (A) having a molecular structure represented by Structural Formula (1): (in the formula, ? is a structural moiety (?) represented by Structural Formula (2): n is an integer of 2 to 10), in which at least one of X's present in the resin is any one of a tertiary alkyl group, an alkoxyalkyl group, an acyl group, an alkoxycarbonyl group, a hetero atom-containing cyclic hydrocarbon group, and a trialkylsilyl group, at least one of the structural moieties (?) present in the resin is a structural moiety (?1) in which l is 1, and at least one thereof is a structural moiety (?2) in which l is 2.
    Type: Application
    Filed: November 17, 2016
    Publication date: December 6, 2018
    Inventor: Tomoyuki Imada