Patents by Inventor Sentaro Negoro

Sentaro Negoro 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).

  • Device for capturing cockroaches
    Patent number: 4044495
    Abstract: A device for use in capturing cockroaches which comprises a container having at least one opening or entrance permitting cockroaches to enter therein and a slanting stepping plate extending inwardly upward from the bottom of the opening.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: August 30, 1977
    Assignee: Earth Chemical Company, Limited
    Inventors: Akira Nishimura, Hiroshi Akamatsu, Sentaro Negoro, Yasutoshi Yoshida