Patents by Inventor Tsutomu Hiromi

Tsutomu Hiromi 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).

  • Patent number: 5681533
    Abstract: An environment decontaminating system has an air cleaning and deodorizing function. It includes a housing having an inlet and an outlet for passage of air. A DC high voltage dust collector and a dust catching filter are provided adjacent the inlet. An ozone generator is positioned adjacent the filter. An odor/ozone turbulent mixing plate is positioned adjacent the ozone generator. A deodorizing catalyst is positioned adjacent the mixing plate. An acid gas absorbent, a suction scavaging fan, and an ozone concentration sensor are positioned adjacent an outlet of the housing.
    Type: Grant
    Filed: October 30, 1995
    Date of Patent: October 28, 1997
    Assignee: Yushin Engineering
    Inventor: Tsutomu Hiromi