Patents by Inventor Issei TAKENAKA

Issei TAKENAKA 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).

  • PHOTOELECTRIC CONVERSION ELEMENT AND MANUFACTURING METHOD OF PHOTOELECTRIC CONVERSION ELEMENT
    Publication number: 20250048822
    Abstract: A photoelectric conversion element includes a light absorbing layer, a hole transport layer that transports holes generated by photoexcitation of the light absorbing layer, and a transparent conductive layer that is in contact with the hole transport layer and receives holes from the hole transport layer. The carrier density of the transparent conductive layer is more than 1×1016 cm?3 and 1×1020 cm?3 or less.
    Type: Application
    Filed: December 8, 2022
    Publication date: February 6, 2025
    Applicants: IDEMITSU KOSAN CO.,LTD., THE UNIVERSITY OF TOKYO
    Inventors: Motoshi NAKAMURA, Issei TAKENAKA, Hiroshi SEGAWA, Keishi TADA, Takeru BESSHO