Patents by Inventor Haruyoshi Narita

Haruyoshi Narita 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).

  • Insect-repellent assembly
    Patent number: 4849279
    Abstract: An insect-repellent assembly comprising a carrier member containing activated carbon fibers and an insect-repellent agent contained in said carrier member. Cockroach-repellent agents are preferable as the insect-repellent agent. The insect-repellent assembly of the present invention maintains its insect-repellent effect for a extended period of time.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: July 18, 1989
    Assignees: Nissho & Co., Ltd., Toho Rayon Co., Ltd., Nissan Shoji Co., Ltd.
    Inventors: Takashi Toyama, Haruyoshi Narita, Tatsuya Ishii
  • Method of killing field mice and the like and apparatus for practicing the method
    Patent number: 4597217
    Abstract: Liquid nitrogen is poured in an amount sufficient to suffocate the field mouse to death into one of the openings of a burrow formed in the ground, and the poured liquid nitrogen is then evaporated to thereby fill the burrow with the evaporated nitrogen and cause the evaporated nitrogen to issue from the other openings by expansion thereof, whereby the field mouse in the burrow is suffocated to death. The method gives no adverse effect on living creatures except the field mice to which the method is applied and enables efficiently getting rid of mice.
    Type: Grant
    Filed: February 27, 1984
    Date of Patent: July 1, 1986
    Assignees: Nihon Sanso Kabushiki Kaisha, Shoji Kabushiki Kaisha
    Inventor: Haruyoshi Narita