Patents by Inventor Shigeo Oki

Shigeo Oki 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).

  • Method for controlling cockroaches
    Patent number: 4999201
    Abstract: Cockroaches can be effectively eliminated or expelled by introducing ozone into a closed space where the cockroaches are expected to inhabit so as to expose an roach-aggregation pheromone contained in cockroach feces to the ozone at a sufficient concentration, to thereby denature the aggregation pheromone to a roach-repellent substance.
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: March 12, 1991
    Assignee: Shigeo Oki
    Inventors: Kiku Okamoto, Shigeo Oki