Patents by Inventor Rei FUJIWARA

Rei FUJIWARA 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).

  • ELECTROMAGNETIC WAVE ABSORBING SHEET
    Publication number: 20230301047
    Abstract: An electromagnetic wave absorbing sheet includes a metallic base and an electromagnetic wave absorption film formed on the metallic base. The electromagnetic wave absorption film contains MTC-substituted ?—Fe2O3, black titanium oxide, a conductive filler, and a resin. The MTC-substituted ?—Fe2O3 is a crystal belonging to the same space group as an ?—Fe2O3 crystal and containing Ti, Co, Fe, and at least one element selected from the group consisting of Ga, In, Al, and Rh. The proportion of the conductive filler to the electromagnetic wave absorption film is equal to or greater than 0.1% by volume and equal to or less than 10% by volume.
    Type: Application
    Filed: April 20, 2023
    Publication date: September 21, 2023
    Applicants: PANASONIC HOLDINGS CORPORATION, THE UNIVERSITY OF TOKYO
    Inventors: Keiko KASHIHARA, Rei FUJIWARA, Shin-ichi OHKOSHI, Asuka NAMAI