Patents by Inventor Kiyotaka Omote

Kiyotaka Omote 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).

  • Filter bag for microbiological examination
    Patent number: 4892832
    Abstract: There is here provided a convenient bag used at the time when microorganisms which adhere to a specimen containing a solid material are extracted with a saline solution and are then examined. In this bag, a filter sheet is stuck to plastic film sidewalls so as to extend from the opening inlet to the bottom portion of the sidewalls, so that the bag is divided into two chambers. A specimen and a saline solution are poured into one of the two chambers, and the resulting extract is taken out by a pipet from another chamber.
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: January 9, 1990
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Kiyotaka Omote, Yuichi Matsushima, Masami Taki, Harutomo Oshio, Kazuo Shiraishi
  • Foodstuff freshness keeping agents
    Patent number: 4384972
    Abstract: Foodstuff freshness keeping agent comprising a particulate composition which contains a salt of manganese (II), iron (II), cobalt (II) or nickel (II), an alkali compound and a sulfite or a deliquescent substance, and optionally ascorbic acid or its salt, thereby to absorb oxygen in the interior of package of foodstuffs and/or generate therein carbon dioxide gas.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: May 24, 1983
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Hachiro Nakamura, Kiyotaka Omote