Patents by Inventor Keiichiro Nishimura

Keiichiro Nishimura 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).

  • Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
    Patent number: 11560476
    Abstract: An epoxy resin, comprising an epoxy compound A that has at least two mesogenic structures and at least one phenylene group, and an epoxy compound B that has at least two mesogenic structures and at least one divalent biphenyl group.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 24, 2023
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Naoki Maruyama, Yuka Yoshida, Tomoko Higashiuchi, Kazumasa Fukuda, Keiichiro Nishimura, Yoshitaka Takezawa
  • Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
    Patent number: 11440990
    Abstract: An epoxy resin, comprising an epoxy compound having at least two mesogenic structures and at least one divalent biphenyl group.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 13, 2022
    Assignee: Showa Denko Materials Co., Ltd.
    Inventors: Yuka Yoshida, Naoki Maruyama, Tomoko Higashiuchi, Kazumasa Fukuda, Keiichiro Nishimura, Yoshitaka Takezawa
  • LAMINATED GLASS FOR VEHICLE
    Publication number: 20210394491
    Abstract: A laminated glass including two facing glass plates and an interlayer film disposed between the two glass plates. The interlayer film has a resin layer having a storage modulus of 1000 MPa or more at a temperature of 25° C. and a frequency of 1×105 Hz. The laminated glass may be a windshield for an automobile.
    Type: Application
    Filed: November 27, 2019
    Publication date: December 23, 2021
    Inventors: Reimi EMOTO, Tomohiro MIWA, Tomohiro ARAKI, Kyosuke NAKAMURA, Naoki TAKAHARA, Akihiro YOSHIDA, Eisaku ISHIKAWA, Hiroki KUZUOKA, Ryoh TAKAHASHI, Keiichiro NISHIMURA, Yukiko INOUE, Miku KAWAMURA
  • EPOXY RESIN, EPOXY RESIN COMPOSITION, EPOXY RESIN CURED PRODUCT, AND COMPOSITE MATERIAL
    Publication number: 20200270447
    Abstract: An epoxy resin, comprising an epoxy compound A that has at least two mesogenic structures and at least one phenylene group, and an epoxy compound B that has at least two mesogenic structures and at least one divalent biphenyl group.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 27, 2020
    Applicant: Hitachi Chemical Company, Ltd.
    Inventors: Naoki MARUYAMA, Yuka YOSHIDA, Tomoko HIGASHIUCHI, Kazumasa FUKUDA, Keiichiro NISHIMURA, Yoshitaka TAKEZAWA
  • EPOXY RESIN, EPOXY RESIN COMPOSITION, EPOXY RESIN CURED PRODUCT, AND COMPOSITE MATERIAL
    Publication number: 20200247943
    Abstract: An epoxy resin, comprising an epoxy compound having at least two mesogenic structures and at least one divalent biphenyl group.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 6, 2020
    Applicant: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Yuka YOSHIDA, Naoki MARUYAMA, Tomoko HIGASHIUCHI, Kazumasa FUKUDA, Keiichiro NISHIMURA, Yoshitaka TAKEZAWA
  • Alkylene-tethered bis-nitroiminoimidazolidines, process for preparing the same, and insecticides containing the same
    Patent number: 6875778
    Abstract: The present invention provides a novel alkylene-tethered bis-nitroiminoimidazolidine compound having superior insecticidal activity. The nitroimino imidazolidine compound is a bis-[1-(pyridylmethyl)-2-nitroiminoimidazolidinyl)alkylene compound represented by chemical formula 1. In formula 1, Y represents an alkylene group having 3 to 10 carbon atoms, —CH2CH?CHCH2—, —CH2C?CCH2—, —(CH2)3O(CH2)3—, —(CH2)3S(CH2)3—, X represents a pyridylmethyl group composed of and Z represents a halogen atom, CH3, or H.
    Type: Grant
    Filed: March 5, 2003
    Date of Patent: April 5, 2005
    Inventors: Shinzo Kagabu, Keiichiro Nishimura
  • Alkylene-tethered bis-nitroiminoimidazolidines, process for preparing the same, and insecticides containing the same
    Publication number: 20030220305
    Abstract: The present invention provides a novel alkylene-tethered bis-nitroiminoimidazolidine compound having superior insecticidal activity. The nitroimino imidazolidine compound is a bis-[1-(pyridylmethyl)-2-nitroiminoimidazolidinyl)alkylene compound represented by chemical formula 1.
    Type: Application
    Filed: March 5, 2003
    Publication date: November 27, 2003
    Applicant: Gifu University
    Inventors: Shinzo Kagabu, Keiichiro Nishimura