Patents by Inventor Eiji Ikeguchi

Eiji Ikeguchi 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).

  • Dental caries detection
    Patent number: 4347233
    Abstract: A caries detector, comprising a solution of a dye selected from the group consisting of Phloxine B (CI 45410), Phloxine BK (the corresponding dipotassium salt of CI 45410), Acid Red (CI 45100), Fast Acid Magenta (CI 17200), Fast Green FCF (CI 42053) and Rhodamine B (CI 45170) in a solvent.
    Type: Grant
    Filed: November 29, 1979
    Date of Patent: August 31, 1982
    Assignee: Kuraray Company, Limited
    Inventors: Junichi Yamauchi, Kyoichiro Shibatani, Eiji Ikeguchi, Ikuo Omura, Yoshinori Nagase