Patents by Inventor Yoshiko Hashimoto

Yoshiko Hashimoto 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).

  • Vermin exterminating element and vermin exterminating method using it
    Patent number: 4921703
    Abstract: A vermin exterminating element comprising a culture carrier having culture medium components containing vermin infectious microorganisms and/or the spores of the vermin infectious microorganisms cultivated therein, and a vermin exterminating method using the same.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: May 1, 1990
    Assignee: Nitto Electric Industrial Co., Ltd.
    Inventors: Toshio Higuchi, Ken Hibino, Rikako Yoshii, Takayuki Hiyori, Yoshinori Miyamoto, Eiichiro Fukusaki, Takeo Matsumura, Yoshiko Hashimoto, Michiko Kikuma, Yuko Sahashi, Takeshi Okada