Patents by Inventor Masayoshi Johmen

Masayoshi Johmen 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).

  • ELECTROCHEMICAL SENSOR
    Publication number: 20230236149
    Abstract: An electrochemical sensor is used in a state of being immersed in water to be inspected for water quality inspection. The electrochemical sensor includes a working electrode, a reference electrode, a first counter electrode, and a second counter electrode. The working electrode, the reference electrode, the first counter electrode, and the second counter electrode are electrically isolated from each other.
    Type: Application
    Filed: October 7, 2020
    Publication date: July 27, 2023
    Inventors: Masayoshi JOHMEN, Kazuhito OBATA, Shinichi SETOGUCHI, Toshikazu KAWAGUCHI, Ryusei ITO, Mokhtar GUIZANI
  • Cell Scaffold Material, Cell Culture Support, and Cell Culture Method
    Publication number: 20220228096
    Abstract: A cell scaffold material comprising a copolymer having a polylactic acid structural unit (A) and a polycarbonate structural unit (B). The polycarbonate structural unit (B) may include at least one unit having an alkoxyalkyloxycarbonyl group as a substituent. Also provided is a cell culture support comprising this cell scaffold material and a substrate.
    Type: Application
    Filed: June 26, 2020
    Publication date: July 21, 2022
    Applicant: Showa Denko Materials Co., Ltd.
    Inventors: Masayoshi Johmen, Masashi Oji, Hiroshi Ito, Kazuki Fukushima, Mai Sano