Patents by Inventor Yoshizo Inomata

Yoshizo Inomata 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).

  • Patent number: 4579704
    Abstract: A process for sintering cubic system silicon carbide powder, which comprises compacting a mixture of cubic system silicon carbide powder with more than 1% by weight and not more than 3% by weight of carbon and at least 0.10% by weight and less than 0.3% by weight of boron and sintering the compact thereby obtained, under vacuum or in a chemically inert atmosphere at a temperature of from 1,900.degree. to 2,200.degree. C.
    Type: Grant
    Filed: February 24, 1984
    Date of Patent: April 1, 1986
    Assignee: National Institute for Research in Inorganic Materials
    Inventors: Hidehiko Tanaka, Yoshizo Inomata, Hitoshi Tsukuda
  • Patent number: 4310499
    Abstract: SIALON sintered product having the formulaSi.sub.6-z Al.sub.z O.sub.z N.sub.8-z(z is 0 to 4.2) is produced by sintering a molded product of the starting materials for SIALON in the condition of covering the surface of said molded product with a mixed powder of Si.sub.3 N.sub.4 and SiO.sub.2 as main components in nitrogen gas atmosphere.
    Type: Grant
    Filed: December 12, 1980
    Date of Patent: January 12, 1982
    Assignee: National Institute for Researches in Inorganic Materials
    Inventors: Mamoru Mitomo, Nobuyuki Kuramoto, Yoshizo Inomata