Patents by Inventor Mutuo Kamoshita

Mutuo Kamoshita 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).

  • Nuclear fusion reactor
    Patent number: 4690793
    Abstract: The nuclear fusion reactor of the present invention presents a new vacuum vessel for enclosing plasma particles where a reactor wall exposed to the above plasma particles has a piled structure. A plurality of heat-resisting ceramic tiles are metallurgically bonded to a metal-base body having a cooling means through a brazing material. The ceramic tiles are preferably composed of sintered silicon carbide of high density and containing a little beryllium oxide between the boundaries of crystal grains.
    Type: Grant
    Filed: February 17, 1984
    Date of Patent: September 1, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Hisanori Okamura, Kunio Miyazaki, Hirosi Akiyama, Shinichi Itoh, Tomio Yasuda, Kousuke Nakamura, Yukio Okoshi, Mutuo Kamoshita, Akio Chiba
  • Ceramic composite article
    Patent number: 4636434
    Abstract: A carbon film is formed on a ceramic element, or a metal film is formed on the carbon film, and subsequently the ceramic element is bonded to another ceramic or metal element, thereby forming a composite article. The composite article has a high bonding strength and is hardly fractured at joint. Ceramic articles having a surface coating of a hard carbon film or a hard carbon film containing metal grains can also be formed by this process.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: January 13, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Hisanori Okamura, Hirosi Akiyama, Mutuo Kamoshita, Kunio Miyazaki