Patents by Inventor Junichi SHIKUMA

Junichi SHIKUMA 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).

  • Dye-sensitized photoelectric conversion element
    Patent number: 10784051
    Abstract: The dye-sensitized photoelectric conversion element of the present invention has an electrolyte layer in which an ammonium ion, an inorganic salt and an iodide ion are dissolved in an organic solvent and in which the ratio of the molar amount of triiodide ions to the molar amount of iodide ions is less than 1%. High photoelectric conversion efficiency is obtained regardless of the kind of the sensitizing dye, and the design is also excellent.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: September 22, 2020
    Assignee: NSK LTD.
    Inventors: Atsumi Koda, Yuki Ishioka, Junichi Shikuma
  • DYE-SENSITIZED PHOTOELECTRIC CONVERSION ELEMENT
    Publication number: 20200211787
    Abstract: The dye-sensitized photoelectric conversion element of the present invention has an electrolyte layer in which an ammonium ion, an inorganic salt and an iodide ion are dissolved in an organic solvent and in which the ratio of the molar amount of triiodide ions to the molar amount of iodide ions is less than 1%. High photoelectric conversion efficiency is obtained regardless of the kind of the sensitizing dye, and the design is also excellent.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 2, 2020
    Applicant: NSK LTD.
    Inventors: Atsumi KODA, Yuki ISHIOKA, Junichi SHIKUMA