Patents by Inventor Kazuyuki Kakegawa

Kazuyuki Kakegawa 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).

  • Wet process for the production of a readily sinterable powder material of perovskite or its solid solution
    Patent number: 4696810
    Abstract: A process for producing a powder material of perovskite or its solid solution represented by the formula:ABO.sub.3wherein A is one or more metal elements coordinated with 12 oxygen atoms, and B is one or more metal elements coordinated with 6 oxygen atoms, which comprises contacting an aqueous or alcohol solution of either component A or component B with a precipitating solution to form precipitates, then adding an aqueous or alcohol solution of the other component to form precipitates, and drying the precipitates, followed by calcining at a temperature of from 400.degree. to 1200.degree. C.
    Type: Grant
    Filed: April 2, 1986
    Date of Patent: September 29, 1987
    Assignee: National Institute for Researches in Inorganic Materials
    Inventors: Shin-ichi Shirasaki, Yasunari Hotta, Hiroshi Yamamura, Shin-ichi Matsuda, Kazuyuki Kakegawa, Yusuke Moriyoshi, Koichiro Takahashi, Hajime Haneda