Patents by Inventor Ryosuke Harada

Ryosuke Harada 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: 11958922
    Abstract: The present invention provides vinyl-based resin particles capable of easily smoothing the surface of a thermosetting resin film when the particles are used as a pore-forming material for a thermosetting resin. Specifically, the present invention provides vinyl-based resin particles for use in making a thermosetting resin porous, the particles having a temperature of 230° C. or higher and lower than 300° C. at 10% mass loss when heated at a rate of 10° C./min in an air atmosphere, and the particles having a mass loss percentage of 85 to 100% after being heated at 350° C. for 5 hours in an air atmosphere.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: April 16, 2024
    Assignee: SEKISUI PLASTICS CO., LTD.
    Inventors: Kohei Tanaka, Kengo Nishiumi, Ryosuke Harada
  • Patent number: 11913110
    Abstract: The present invention relates to a raw material of an organoruthenium compound for producing a ruthenium thin film or a ruthenium compound thin film by a chemical deposition method. This organoruthenium compound is an organoruthenium compound represented by the following Formula 1 and including a trimethylenemethane-based ligand (L1) and three carbonyl ligands coordinated to divalent ruthenium. In Formula 1, the trimethylenemethane-based ligand L1 is represented by the following Formula 2: wherein a substituent R of the ligand L1 is hydrogen, or any one of an alkyl group, a cyclic alkyl group, an alkenyl group, an alkynyl group, and an amino group having a predetermined number of carbon atoms.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: February 27, 2024
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Ryosuke Harada, Tomohiro Tsugawa, Shigeyuki Ootake, Teruhisa Iwai, Seung-Joon Lee
  • Publication number: 20240059810
    Abstract: There is provided hollow resin particles used in a resin composition for semiconductor members, which can be used in a resin composition for semiconductor members to provide a semiconductor member capable of exerting excellent low dielectric properties. The hollow resin particles used in a resin composition for semiconductor members according to an embodiment of the present invention are hollow resin particles having a hole part inside the particle, wherein a decreasing rate of a relative dielectric constant Dk1 of a film (F1) formulated with 80 parts by weight of polyimide and 20 parts by weight of the hollow resin particles to a relative dielectric constant Dk0 of a film (F0) formed with only the polyimide is 3% or more.
    Type: Application
    Filed: December 3, 2021
    Publication date: February 22, 2024
    Applicant: SEKISUI KASEI CO., LTD.
    Inventors: Ryosuke HARADA, Koichiro OKAMOTO
  • Patent number: 11806414
    Abstract: Silica-including microcapsule resin particles including an outer shell constituted of a crosslinked polymer and a cavity partitioned with the outer shell, in which the silica-including microcapsule resin particles contain inside the cavity a porous structure in which silica particles are mutually connected, and have a volume average particle diameter of 0.5 to 100 ?m.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: November 7, 2023
    Assignee: SEKISUI PLASTICS CO., LTD.
    Inventors: Akiyoshi Kusaka, Yoshinao Yamaji, Ryosuke Harada
  • Publication number: 20230348511
    Abstract: The present invention relates to an organoruthenium compound raw material for a chemical deposition method. An organoruthenium compound is represented by the following Formula 1 in which a trimethylenemethane-based ligand (L1), and two carbonyl ligands and a ligand X coordinate to divalent ruthenium. In Formula 1, the trimethylenemethane-based ligand (L1) is represented by the following Formula 2. Besides, the ligand X is any one of an isocyanide ligand, a pyridine ligand, an amine ligand, an imidazole ligand, a pyridazine ligand, a pyrimidine ligand, and a pyrazine ligand. wherein a substituent R of the ligand L1 is hydrogen, or any one of an alkyl group, a cyclic alkyl group, an alkenyl group, an alkynyl group, and an amino group having a predetermined number of carbon atoms.
    Type: Application
    Filed: January 28, 2021
    Publication date: November 2, 2023
    Applicant: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Ryosuke HARADA, Tomohiro TSUGAWA, Shigeyuki OOTAKE, Seung-Joon LEE, Yohei KOTSUGI
  • Publication number: 20230102354
    Abstract: The present invention relates to a raw material of an organoruthenium compound for producing a ruthenium thin film or a ruthenium compound thin film by a chemical deposition method. This organoruthenium compound is an organoruthenium compound represented by the following Formula 1 and including a trimethylenemethane-based ligand (L1) and three carbonyl ligands coordinated to divalent ruthenium. In Formula 1, the trimethylenemethane-based ligand L1 is represented by the following Formula 2: wherein a substituent R of the ligand L1 is hydrogen, or any one of an alkyl group, a cyclic alkyl group, an alkenyl group, an alkynyl group, and an amino group having a predetermined number of carbon atoms.
    Type: Application
    Filed: January 28, 2021
    Publication date: March 30, 2023
    Applicant: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Ryosuke HARADA, Tomohiro TSUGAWA, Shigeyuki OOTAKE, Teruhisa IWAI, Seung-Joon LEE
  • Patent number: 11434563
    Abstract: The present invention relates to a raw material for chemical deposition for producing a ruthenium thin film or a ruthenium compound thin film by a chemical deposition method, containing a ruthenium complex represented by the following Chemical Formula 1. In Chemical Formula 1, ligands L1 and L2 coordinated to ruthenium are represented by the following Chemical Formula 2. The raw material for chemical deposition according to the present invention can be formed into a high quality thin film even if a reaction gas containing an oxygen atom is not used. wherein R1 to R12, which are substituents of the ligands L1 and L2, are each independently any one of a hydrogen atom, and a linear or branched alkyl group having a carbon number of 1 or more and 4 or less.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: September 6, 2022
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Ryosuke Harada, Teruhisa Iwai, Toshiyuki Shigetomi, Shigeyuki Ootake, Seung-Joon Lee
  • Patent number: 11433706
    Abstract: The present invention provides a composite that has good initial adhesion and good adhesion after high temperature and high humidity aging. Provided is a composite including: a topping rubber composition having a fatty acid content of 0.8% by mass or less; and an adherend plated with a copper-containing layer.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: September 6, 2022
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Natsuki Maekawa, Koji Fujisawa, Hiroshi Ito, Ryosuke Harada, Daiko Fujimori
  • Publication number: 20220235455
    Abstract: A raw material for chemical deposition for producing a manganese thin film or a manganese compound thin film by chemical deposition method, including an organomanganese compound represented Chemical Formula 1 in which a cyclopentadienyl ligand and an isocyanide ligand are coordinated to manganese, which has basic characteristics as a raw material for chemical deposition and enables formation of a manganese thin film with a reducing gas such as hydrogen used as a reaction gas.
    Type: Application
    Filed: June 15, 2020
    Publication date: July 28, 2022
    Applicant: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Ryosuke HARADA, Tomohiro TSUGAWA, Toshiyuki SHIGETOMI, Seung-Joon LEE, Ketan Baban KATKAR
  • Patent number: 11396566
    Abstract: Fluorescent resin particles which comprise a water-soluble fluorescent dye and a polymer made from a monomer mixture.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 26, 2022
    Assignee: SEKISUI KASEI CO., LTD.
    Inventor: Ryosuke Harada
  • Patent number: 11332572
    Abstract: Spherical polyester-based resin particles characterized in that the spherical polyester-based resin particles contain a polyester-based resin and have a crystallinity of 20% or less and an average circularity of 0.96 or more. The spherical polyester-based resin particles according to the present invention can provide suitable resin particles as compounding agents for cosmetics such as foundation, antiperspirants, and skin scrubs; various agents such as matte coating agents for paints, rheology modifying agents, antiblocking agents, slipperiness-imparting agents, light diffusion agents, electroconductive agents, and diagnostic testing agents for medical use; and additives to molded articles such as automobile materials and construction materials.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: May 17, 2022
    Assignee: SEKISUI KASEI CO., LTD.
    Inventor: Ryosuke Harada
  • Publication number: 20220041775
    Abstract: Hollow polymer particles comprising a polymer containing a vinylic monomer unit and a phosphate ester monomer unit, the hollow polymer particles having a volume average particle diameter of 0.5 to 1000 ?m.
    Type: Application
    Filed: September 9, 2019
    Publication date: February 10, 2022
    Applicant: SEKISUI KASEI CO., LTD.
    Inventor: Ryosuke HARADA
  • Publication number: 20220018018
    Abstract: The present invention relates to a raw material for chemical deposition for producing a ruthenium thin film or a ruthenium compound thin film by a chemical deposition method, containing a ruthenium complex represented by the following Chemical Formula 1. In Chemical Formula 1, ligands L1 and L2 coordinated to ruthenium are represented by the following Chemical Formula 2. The raw material for chemical deposition according to the present invention can be formed into a high quality thin film even if a reaction gas containing an oxygen atom is not used. wherein R1 to R12, which are substituents of the ligands L1 and L2, are each independently any one of a hydrogen atom, and a linear or branched alkyl group having a carbon number of 1 or more and 4 or less.
    Type: Application
    Filed: December 2, 2019
    Publication date: January 20, 2022
    Applicant: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Ryosuke HARADA, Teruhisa IWAI, Toshiyuki SHIGETOMI, Shigeyuki OOTAKE, Seung-Joon LEE
  • Publication number: 20210347923
    Abstract: The present invention provides vinyl-based resin particles capable of easily smoothing the surface of a thermosetting resin film when the particles are used as a pore-forming material for a thermosetting resin. Specifically, the present invention provides vinyl-based resin particles for use in making a thermosetting resin porous, the particles having a temperature of 230° C. or higher and lower than 300° C. at 10% mass loss when heated at a rate of 10° C./min in an air atmosphere, and the particles having a mass loss percentage of 85 to 100% after being heated at 350° C. for 5 hours in an air atmosphere.
    Type: Application
    Filed: August 28, 2019
    Publication date: November 11, 2021
    Applicant: SEKISUI PLASTICS CO., LTD.
    Inventors: Kohei TANAKA, Kengo NISHIUMI, Ryosuke HARADA
  • Patent number: 11149045
    Abstract: A raw material for vapor deposition for producing a platinum thin film or a platinum compound thin film by a vapor deposition method. The raw material for vapor deposition includes an organoplatinum compound represented by the following formula, in which a cyclopentene-amine ligand and an alkyl ligand are coordinated to divalent platinum. The organoplatinum compound of the present invention has moderate thermal stability and can respond flexibly to severe film formation conditions, including a wider film formation area, higher throughput, and the like. (In the formula, R1, R2, and R3 are each any one of a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an amino group, an imino group, a cyano group, and an isocyano group, each having 4 or less carbon atoms, and R4 and R5 are each an alkyl group having 1 or more and 3 or less carbon atoms.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: October 19, 2021
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Ryosuke Harada, Shigeyuki Ootake, Toshiyuki Shigetomi, Kazuharu Suzuki
  • Patent number: 11111346
    Abstract: The present invention provides non-spherical metal-coated irregularly-shaped resin particles that can improve characteristics, such as light diffusion characteristics and reflection characteristics, when used for optical applications, compared with spherical metal-coated resin particles. Specifically, the present invention provides metal-coated irregularly-shaped resin particles in which part of the surface of irregularly-shaped resin particles is coated with metal.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 7, 2021
    Assignee: SEKISUI KASEI CO., LTD.
    Inventors: Ryosuke Harada, Eiji Tokunaga, Sou Aizawa, Keisuke Seto
  • Patent number: 11084837
    Abstract: The present invention relates to a chemical deposition raw material for manufacturing an iridium thin film or an iridium compound thin film by a chemical deposition method, including an iridium complex in which cyclopropenyl or a derivative thereof and a carbonyl ligand are coordinated to iridium. The iridium complex that is applied in the present invention enables an iridium thin film to be manufactured even when a reducing gas such as hydrogen is applied. in which R1 to R3, which are substituents of the cyclopropenyl ligand, are each independently hydrogen, or a linear or branched alkyl group with a carbon number of 1 or more and 4 or less.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: August 10, 2021
    Assignee: TANAKA KIKINZOKU KOGYO K.K.
    Inventors: Ryosuke Harada, Toshiyuki Shigetomi, Kazuharu Suzuki
  • Publication number: 20210161776
    Abstract: Silica-including microcapsule resin particles including an outer shell constituted of a crosslinked polymer and a cavity partitioned with the outer shell, in which the silica-including microcapsule resin particles contain inside the cavity a porous structure in which silica particles are mutually connected, and have a volume average particle diameter of 0.5 to 100 ?m.
    Type: Application
    Filed: February 11, 2021
    Publication date: June 3, 2021
    Applicant: SEKISUI PLASTICS CO., LTD.
    Inventors: Akiyoshi KUSAKA, Yoshinao YAMAJI, Ryosuke HARADA
  • Publication number: 20210155041
    Abstract: The present invention provides a composite that has good initial adhesion and good adhesion after high temperature and high humidity aging. Provided is a composite including: a topping rubber composition having a fatty acid content of 0.8% by mass or less; and an adherend plated with a copper-containing layer.
    Type: Application
    Filed: February 2, 2021
    Publication date: May 27, 2021
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Natsuki MAEKAWA, Koji FUJISAWA, Hiroshi ITO, Ryosuke HARADA, Daiko FUJIMORI
  • Patent number: 10952938
    Abstract: Silica-including microcapsule resin particles including an outer shell constituted of a crosslinked polymer and a cavity partitioned with the outer shell, in which the silica-including microcapsule resin particles contain inside the cavity a porous structure in which silica particles are mutually connected, and have a volume average particle diameter of 0.5 to 100 ?m.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: March 23, 2021
    Assignee: SEKISUI PLASTICS CO., LTD.
    Inventors: Akiyoshi Kusaka, Yoshinao Yamaji, Ryosuke Harada