Patents by Inventor Minoru Matsukura

Minoru Matsukura 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).

  • Photoluminescent material
    Patent number: 10619093
    Abstract: The present invention provides a photoluminescent material that emits visible light by irradiation of light, which is a sodalite containing a given amount of a silver atom (excluding a sodalite containing an oxalic acid anion) or a sodalite containing given amounts of a silver atom and a zinc atom.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: April 14, 2020
    Assignee: RENGO CO., LTD.
    Inventors: Kouju Sugiyama, Kaoru Yamaguchi, Shinji Fujiki, Minoru Matsukura, Shogo Fujiwara, Fumio Kurosaki, Akio Taniguchi, Junichi Uchita
  • PHOTO-LUMINESCENT MATERIAL
    Publication number: 20190153312
    Abstract: The present invention provides a photoluminescent material emitting a visible light by irradiation of light, which is zeolite A comprising silver ion, zinc ion and at least one selected from the group consisting of cesium ion and rubidium ion.
    Type: Application
    Filed: May 29, 2017
    Publication date: May 23, 2019
    Applicant: RENGO CO., LTD.
    Inventors: Kouju SUGIYAMA, Toshikazu HANATANI, Kaoru YAMAGUCHI, Shinji FUJIKI, Minoru MATSUKURA, Shogo FUJIWARA, Akio TANIGUCHI, Junichi UCHITA
  • PHOTOLUMINESCENT MATERIAL
    Publication number: 20180148642
    Abstract: The present invention provides a photoluminescent material that emits visible light by irradiation of light, which is a sodalite containing a given amount of a silver atom (excluding a sodalite containing an oxalic acid anion) or a sodalite containing given amounts of a silver atom and a zinc atom.
    Type: Application
    Filed: May 25, 2016
    Publication date: May 31, 2018
    Applicants: RENGO CO., LTD., UNION SHOWA K.K., SINANEN ZEOMIC CO., LTD.
    Inventors: Kouju SUGIYAMA, Kaoru YAMAGUCHI, Shinji FUJIKI, Minoru MATSUKURA, Shogo FUJIWARA, Fumio KUROSAKI, Akio TANIGUCHI, Junichi UCHITA
  • Alumina-based ceramics materials, abrasive materials and method for the manufacture of the same
    Patent number: 5215551
    Abstract: An .alpha.-alumina-based ceramics material comprising crystals of a particle diameter of no greater than 0.2 .mu.m on an average or a particle diameter of substantially no greater than 0.2 .mu.m, and having a density of no lower than 95% of the theoretical density and a hardness of no lower than 2,000 kg/mm.sup.2, and a method for the production thereof.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: June 1, 1993
    Assignee: Showa Denko K.K.
    Inventors: Tetsuo Hatanaka, Tadashi Hiraiwa, Minoru Matsukura, Norimichi Aoki, Shoichi Imai