Patents by Inventor Akihiko Mieda

Akihiko Mieda 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: 5453294
    Abstract: In the production of ferroelectric PZT or PLZT thin film by the sol-gel method, application of precursor solution (sol) onto a substrate is followed by heat-treatment for pyrolysis at 150.degree.-250.degree. C., 250.degree.-359.degree. C., or 450.degree.-550.degree. C., and further firing for crystallization at 500.degree.-800.degree. C., whereby crystal orientation in the direction of the (111) plane, or the (111) and (100) planes, or the (100) and (200) planes can be effected.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: September 26, 1995
    Assignee: Mitsubishi Materials Corporation
    Inventors: Katsumi Ogi, Nobuyuki Soyama, Akihiko Mieda
  • Patent number: 4861574
    Abstract: Chloropolysilanes can be produced in high yield without forming solid waste materials by contacting silicon materials with chlorine at a temperature of 140.degree..about.300.degree. C. in the presence of copper compound or a mixture thereof.
    Type: Grant
    Filed: March 2, 1988
    Date of Patent: August 29, 1989
    Assignee: Mitsubishi Kinzoku Kabushiki Kaisha
    Inventors: Hiroshi Ikeda, Makoto Tsunashima, Akihiko Mieda