Patents by Inventor Hironori Hanada

Hironori Hanada 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).

  • Chitosan-iodine adduct
    Patent number: 4275194
    Abstract: A novel chitosan-iodine adduct wherein iodine is included in chitosan molecule is useful as a deodorant, a sterilizer or a disinfectant since the adduct holds iodine in a stable form and can release active iodine gradually into the environment as occasion demands. Also, a disinfectant fiber can be produced by sticking the chitosan-iodine adduct onto a fiber.
    Type: Grant
    Filed: August 23, 1978
    Date of Patent: June 23, 1981
    Assignee: Nihon Tennen Gas Kogyo Co., Ltd.
    Inventors: Masatada Kato, Nobuaki Mineshima, Tatsuo Kato, Yoshiharu Kawada, Hironori Hanada, Teiichi Inomata