Patents by Inventor Masami Yakura

Masami Yakura 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).

  • Publication number: 20090041818
    Abstract: An antiviral agent having been experimentally supported which contains a powder obtained by baking (calcining) dolomite and hydrating a part thereof. Thus, it is possible to provide an antiviral agent which is usable in masks, filters, etc. because of acting directly on viral particles, thus eliminating the infectious capacity of the virus and preventing the invasion of the virus into cells; and a mask and a filter with the use of the antiviral agent.
    Type: Application
    Filed: August 10, 2004
    Publication date: February 12, 2009
    Inventors: Koichi Otsuki, Toshihiro Ito, Toshiyuki Murase, Hiroshi Ito, Kazuo Wakabayashi, Masami Yakura, Hideaki Yamana