Patents by Inventor Yoshio Uyeda

Yoshio Uyeda 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: 3941622
    Abstract: Novel amorphous magnesia-silica complexes containing from about 0.001 to 2.0 percent by weight of an alkali metal oxide, wherein the mole ratio of MgO:SiO.sub.2 of said complexes is from about 1:25 to 14:1.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: March 2, 1976
    Assignee: Merck & Co., Inc.
    Inventors: Leonard S. Lee, Yoshio Uyeda, Samuel W. Sopp
  • Patent number: 3932203
    Abstract: Novel amorphous magnesia-silica complexes containing from about 0.001 to 2.0 percent by weight of an alkali metal oxide, wherein the mole ratio of MgO:SiO.sub.2 of said complexes is from about 1:25 to 14:1.
    Type: Grant
    Filed: October 7, 1974
    Date of Patent: January 13, 1976
    Assignee: Merck & Co., Inc.
    Inventors: Leonard S. Lee, Yoshio Uyeda, Samuel W. Sopp