Patents by Inventor Taiki Kuroda

Taiki Kuroda 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: 20220232750
    Abstract: This automatic travel system for a work vehicle has: an automatic travel control unit which, using a satellite positioning system, causes a work vehicle to automatically travel in accordance with a target path at a registered work site; and a standby position setting unit which sets a standby position of the work vehicle. The standby setting unit acquires an entry point at a time when the work vehicle has entered the registered work site from outside thereof, and sets the entry point as a standby position. The automatic travel control unit determines whether or not a condition for causing the work vehicle to stand by at the standby position has been met, and, in the case where the standby condition has been met, causes the work vehicle to travel automatically from the present position to the standby position and then to stand by at the standby position.
    Type: Application
    Filed: May 15, 2020
    Publication date: July 28, 2022
    Applicant: Yanmar Power Technology Co., Ltd.
    Inventors: Taiki Shirafuji, Akifumi Kuroda
  • Patent number: 11186674
    Abstract: Provided is a fiber-reinforced composite material exhibiting high heat resistance and excellent appearance quality. is the composite material is based on an epoxy resin composition which contains constituents [A], [B], and [C] and satisfies conditions (i) and (ii): [A] a tri- or higher functional epoxy resin; [B] an aromatic amine; [C] an imidazole compound; 0.20?b/a?0.60; and??(i) 0.002?c/a?0.014;??(ii) wherein a (mol) denotes the number of epoxy groups in 100 g of the epoxy resin composition, b (mol) denotes the number of active hydrogens contained in the constituent [B], and c (mol) denotes the number of imidazole rings contained in the constituent [C]).
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: November 30, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kentaro Sano, Taiki Kuroda, Ayumi Mori, Toshiya Kamae
  • Patent number: 11130857
    Abstract: The present invention provides an epoxy resin composition that serves to produce a cured epoxy resin that simultaneously realizes a high heat resistance, a high elastic modulus, and a low color and to produce a molded article having a good appearance without suffering the formation of white spots on the surface thereof when used as matrix resin in a fiber reinforced composite material. The epoxy resin composition includes an epoxy resin as component [A], an aromatic urea [B1] and/or an imidazole compound [B2] as component [B], and a borate ester compound as component [C], containing dicyandiamide in the amount of 0.5 part by mass or less relative to the total quantity of epoxy resins which accounts for 100 parts by mass, wherein the epoxy resin composition meets certain sets of further requirements with respect to its composition.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: September 28, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kentaro Sano, Taiki Kuroda, Reo Takaiwa, Noriyuki Hirano
  • Publication number: 20210189078
    Abstract: Disclosed is a prepreg comprising an epoxy resin composition containing [A] an epoxy resin and [B] a curing agent, and a reinforcing fiber, wherein the epoxy resin composition satisfies: (a) [A1] an epoxy resin represented by the general formula (I) is contained as the epoxy resin [A], and [A1?] an epoxy resin satisfying: n?2 among the component [A1]; wherein, R1, R2 and R3 each independently represent a hydrogen atom or a methyl group, and n represents an integer of 1 or more; (b) the entire epoxy resin has an average epoxy equivalent of 165 to 265 g/eq; (c) a water absorption coefficient at 85° C. and 95% RH for 2 hours is 3.0% by mass or less based on 100% by mass of the epoxy resin composition; (d) [B1] an aromatic urea as [B] a curing agent; and (e) the content of [B2] dicyandiamide is 0.5 part by mass or less based on 100 parts by mass of the entire epoxy resin.
    Type: Application
    Filed: November 27, 2018
    Publication date: June 24, 2021
    Applicant: Toray Industries, Inc.
    Inventors: Kentaro Sano, Taiki Kuroda, Hiroyuki Uchida, Toshiya Kamae
  • Patent number: 11008419
    Abstract: The present invention provides an epoxy resin composition that serves to produce a cured epoxy resin that simultaneously realizes a high heat resistance, a high elastic modulus, and a low color and to produce a molded article having a good appearance without suffering the formation of white spots on the surface thereof when used as matrix resin in a fiber reinforced composite material. The epoxy resin composition includes an epoxy resin as component [A] and an imidazole compound as component [B] and meets certain conditions (a) to (d).
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: May 18, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Kentaro Sano, Taiki Kuroda, Reo Takaiwa, Noriyuki Hirano
  • Publication number: 20200165378
    Abstract: Provided is a fiber-reinforced composite material exhibiting high heat resistance and excellent appearance quality. is the composite material is based on an epoxy resin composition which contains constituents [A], [B], and [C] and satisfies conditions (i) and (ii): [A] a tri- or higher functional epoxy resin; [B] an aromatic amine; [C] an imidazole compound; 0.20?b/a?0.60; and??(i) 0.002?c/a?0.014;??(ii) wherein a (mol) denotes the number of epoxy groups in 100 g of the epoxy resin composition, b (mol) denotes the number of active hydrogens contained in the constituent [B], and c (mol) denotes the number of imidazole rings contained in the constituent [C]).
    Type: Application
    Filed: April 5, 2018
    Publication date: May 28, 2020
    Applicant: Toray Industries, Inc.
    Inventors: Kentaro Sano, Taiki Kuroda, Ayumi Mori, Toshiya Kamae
  • Publication number: 20200079917
    Abstract: Provided is a method for producing a fiber-reinforced composite material exhibiting high heat resistance and excellent appearance quality. It is a method for producing a fiber-reinforced composite material, which includes disposing a prepreg containing a reinforced fiber being impregnated with an epoxy resin composition in a mold, pressurizing and heating the prepreg at 0.2 to 2.5 MPa and 130° C. to 200° C. as primary curing, and then further heating the prepreg at 210° C. to 270° C. for 10 minutes or more as secondary curing.
    Type: Application
    Filed: April 5, 2018
    Publication date: March 12, 2020
    Applicant: Toray Industries, Inc.
    Inventors: Kentaro Sano, Ayumi Mori, Taiki Kuroda, Toshiya Kamae
  • Publication number: 20190211201
    Abstract: The present invention provides an epoxy resin composition that serves to produce a cured epoxy resin that simultaneously realizes a high heat resistance, a high elastic modulus, and a low color and to produce a molded article having a good appearance without suffering the formation of white spots on the surface thereof when used as matrix resin in a fiber reinforced composite material. The epoxy resin composition includes an epoxy resin as component [A], an aromatic urea [B1] and/or an imidazole compound [B2] as component [B], and a borate ester compound as component [C], containing dicyandiamide in the amount of 0.5 part by mass or less relative to the total quantity of epoxy resins which accounts for 100 parts by mass, wherein the epoxy resin composition meets certain sets of further requirements with respect to its composition.
    Type: Application
    Filed: June 23, 2017
    Publication date: July 11, 2019
    Applicant: Toray Industries, Inc.
    Inventors: Kentaro Sano, Taiki Kuroda, Reo Takaiwa, Noriyuki Hirano
  • Publication number: 20190177470
    Abstract: The present invention provides an epoxy resin composition that serves to produce a cured epoxy resin that simultaneously realizes a high heat resistance, a high elastic modulus, and a low color and to produce a molded article having a good appearance without suffering the formation of white spots on the surface thereof when used as matrix resin in a fiber reinforced composite material.
    Type: Application
    Filed: June 23, 2017
    Publication date: June 13, 2019
    Applicant: Toray Industries, Inc.
    Inventors: Kentaro Sano, Taiki Kuroda, Reo Takaiwa, Noriyuki Hirano