Patents by Inventor Atsushi Osame

Atsushi Osame 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).

  • Publication number: 20130180916
    Abstract: A biological purifier of the present invention includes chaff retaining sulfate-reducing bacteria. A biological purification system of the present invention includes a treatment container in which anaerobic conditions are maintained, and the above biological purifier is stored; a supply system for supplying the untreated waste water into the treatment container; and an discharge system for discharging treated water from which the heavy metal ions have been removed in the treatment container by the purifier, from the treatment container. In a biological purification method of the present invention, the biological purifier and the untreated waste water are brought into contact with each other under anaerobic conditions, thereby precipitating and removing the heavy metal ions as sulfide from the untreated waste water.
    Type: Application
    Filed: December 13, 2011
    Publication date: July 18, 2013
    Applicant: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION
    Inventors: Hisatoshi Furuya, Nobuyuki Masuda, Atsushi Osame, Mikio Kobayashi, Hideo Asano, Masao Okumura, Hidekatsu Nakamura, Ayumi Kurosaka