Patents by Inventor Yoshikazu Koyama

Yoshikazu Koyama 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).

  • Tungsten sheet and radioprotective clothing
    Patent number: 11373772
    Abstract: A tungsten sheet includes a tungsten layer. The tungsten layer includes a binder resin and a plurality of tungsten particles included in the binder resin. A tungsten composition amount of the tungsten layer is at least 70% by mass (wt %). An average particle diameter of the plurality of tungsten particles is more than 1 ?m and less than 15 ?m.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: June 28, 2022
    Assignee: SHORIN INDUSTRY CO., LTD.
    Inventors: Masahito Yoshida, Taisuke Shimazu, Yoshihiro Kodama, Yoshikazu Koyama, Kunio Tabata
  • TUNGSTEN SHEET AND RADIOPROTECTIVE CLOTHING
    Publication number: 20190378629
    Abstract: A tungsten sheet includes a tungsten layer. The tungsten layer includes a binder resin and a plurality of tungsten particles included in the binder resin. A tungsten composition amount of the tungsten layer is at least 70% by mass (wt %). An average particle diameter of the plurality of tungsten particles is more than 1 ?m and less than 15 ?m.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 12, 2019
    Inventors: Masahito YOSHIDA, Taisuke SHIMAZU, Yoshihiro KODAMA, Yoshikazu KOYAMA, Kunio TABATA
  • DNA vaccine
    Patent number: 8053231
    Abstract: The present invention relates to a DNA vaccine consisting of a vector expressing a part or the whole of a polypeptide regulating production of an inflammatory cytokine, a pharmaceutical composition comprising the DNA vaccine, and a method of preventing or treating an inflammatory disease by using the pharmaceutical composition.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: November 8, 2011
    Inventors: Jun Nishihira, Yoshikazu Koyama, Shin Onodera
  • DNA vaccine
    Publication number: 20080247994
    Abstract: The present invention relates to a DNA vaccine consisting of a vector expressing a part or the whole of a polypeptide regulating production of an inflammatory cytokine, a pharmaceutical composition comprising the DNA vaccine, and a method of preventing or treating an inflammatory disease by using the pharmaceutical composition.
    Type: Application
    Filed: April 3, 2007
    Publication date: October 9, 2008
    Inventors: Jun Nishihira, Yoshikazu Koyama, Shin Onodera
  • Pharmaceutical Agents for Preventing Metastasis of Cancer
    Publication number: 20080070857
    Abstract: This invention relates to a pharmaceutical agent for preventing metastasis of cancer, which comprises a substance that inhibits expression of macrophage migration inhibitory factor (MIF). Such substance includes siRNA of MIF.
    Type: Application
    Filed: February 14, 2006
    Publication date: March 20, 2008
    Inventors: Jun Nishihira, Sun Bailong, Yoshikazu Koyama, Kazunori Asada