Patents by Inventor Seiji Irimaji

Seiji Irimaji 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).

  • Apparatus for removing toxic materials contained in tobacco and methods therefor
    Patent number: 5083578
    Abstract: An apparatus and method for removing toxic materials from tobacco which comprises a filter element which includes a seaweed. In use, the apparatus removes toxic materials from tobacco vapors which pass through the filter element.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: January 28, 1992
    Inventors: Yukinobu Agarie, Seiji Irimaji