Patents by Inventor Shigeyuki KATAYAMA

Shigeyuki KATAYAMA 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).

  • HEXAGONAL BORON NITRIDE POWDER
    Publication number: 20210253425
    Abstract: Disclosed is a hexagonal boron nitride powder having excellent glitter property. A hexagonal boron nitride powder includes hexagonal boron nitride particles, in which among the hexagonal boron nitride particles, a number ratio of particles having a bent structure at an angle of 110° to 160° with respect to (0,0,1) crystal plane of the primary particles is 30% or more.
    Type: Application
    Filed: August 2, 2019
    Publication date: August 19, 2021
    Applicant: MIZUSHIMA FERROALLOY CO., LTD.
    Inventors: Yumi NAKAGAWA, Masaomi KURODA, Shigeyuki KATAYAMA, Seiji NABESHIMA, Masashi MIYAGUCHI