Patents by Inventor Ryoushin Suzuki

Ryoushin Suzuki 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).

  • NITROGEN-CONTAINING CARBON MATERIAL AND METHOD FOR PRODUCING SAME
    Publication number: 20230159334
    Abstract: A nitrogen-containing carbon material includes carbon atoms, nitrogen atoms, and halogen atoms. The nitrogen-containing carbon material has a ratio of a number of moles of pyridinic nitrogen atoms to a total number of moles of the nitrogen atoms that is higher than 59% and a total content ratio of the nitrogen atoms with respect to the nitrogen-containing carbon material that is 7 at % or higher. The nitrogen-containing carbon material includes a fused polycyclic aromatic moiety formed by condensation of three or more aromatic rings, and the fused polycyclic aromatic moiety includes a partial structure for two pyridinic nitrogen atoms to be linked to each other through two carbon atoms.
    Type: Application
    Filed: November 23, 2022
    Publication date: May 25, 2023
    Applicants: NICHIA CORPORATION, NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Yasuhiro Yamada, Ryouhei Kawai, Ryoushin Suzuki, Hiroomi Taguchi