Patents by Inventor Hiroshige Murata

Hiroshige Murata 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).

  • Ceramic matrix composites with BN interface
    Patent number: 5879803
    Abstract: There is provided Ceramic matrix composites comprising fibers, BN coating applied to the fibers, the BN coating being composed of BN and one of Y.sub.2 O.sub.3, Sc.sub.2 O.sub.3, ZrO.sub.2 and lanthanoid family oxide or combinations thereof, and matrices interposed between the fibers. There is also provided Ceramic matrix composites comprising, fibers, BN coating applied to the fibers, the BN coating is composed of BN and coated with one of Y.sub.2 O.sub.3, Sc.sub.2 O.sub.3, ZrO.sub.2 and lanthanoid family oxide or combinations thereof, and matrices interposed between the fibers. The ceramic matrix composites in accordance with the present invention is capable of being used at 1000 degrees centigrade or greater in air.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: March 9, 1999
    Assignee: Ishikawajima-Harima Heavy Industries Co., Ltd.
    Inventors: Shoju Masaki, Takeshi Nakamura, Kaoru Miyahara, Hiroshige Murata