Patents by Inventor Mayumi Miyazawa

Mayumi Miyazawa 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).

  • Method for producing fine particles of metal oxide
    Patent number: 6328947
    Abstract: A method for producing fine particles of metal oxide characterized in that metal halide is hydrolyzed in the presence of organic solvent. According to this invention, under hydrolysis of titanium tetrachrolide, anatase type titanium oxide can be obtained by selecting hydrophilic organic solvent, and rutile type titanium oxide can be obtained by selecting hydrophobic organic solvent.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: December 11, 2001
    Assignee: Showa Denko K.K.
    Inventors: Ryuji Monden, Kasumi Nakamura, Chozo Inoue, Masahiro Ohmori, Jun Tanaka, Tamotsu Yamashita, Mayumi Miyazawa