Patents by Inventor Kazuaki Akasaka

Kazuaki Akasaka 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 analyzing lipid peroxides using aromatic phosphines
    Patent number: 5061633
    Abstract: A method for analyzing a lipid peroxide, which comprises reacting a lipid peroxide with an aromatic phosphine compound of the formula: ##STR1## wherein each of R.sub.1 to R.sub.3 is an aromatic group, in a solvent, to form an aromatic phosphine oxide and observe any fluorescence of the aromatic phosphine oxide.
    Type: Grant
    Filed: March 7, 1990
    Date of Patent: October 29, 1991
    Assignee: Tosoh Corporation
    Inventors: Hiroshi Meguro, Hiroshi Ohrui, Kazuaki Akasaka
  • Aromatic phosphine oxide compound
    Patent number: 4947000
    Abstract: An aromatic phosphine compound of the formula: ##STR1## wherein each of R.sub.1 to R.sub.3 is an aromatic group, or an oxide thereof.
    Type: Grant
    Filed: March 3, 1988
    Date of Patent: August 7, 1990
    Assignee: Tosoh Corporation
    Inventors: Hiroshi Meguro, Hiroshi Ohrui, Kazuaki Akasaka