Patents by Inventor Jun Tsumori

Jun Tsumori 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).

  • Gas-liquid dissolving apparatus
    Patent number: 7571899
    Abstract: A gas-liquid dissolving apparatus includes an intake unit that takes in to-be-treated water from an oxygen-deficient water area, an oxygen-containing gas supply unit, a bottomed gas-liquid dissolving chamber that has at least one hole formed in a lower portion and a top plate provided in an upper portion, a nozzle that ejects the gas supplied by the supplying unit and the water supplied by the intake unit, a gas-liquid separating chamber that has a gas-vent hole formed in an upper portion and a takeout port provided in a lower portion thereof, and a water supplying unit that returns the water taken out from the takeout port to the oxygen-deficient water area.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: August 11, 2009
    Assignees: Matsuedoken Co., Ltd., Incorporated Administrative Agency Public Works Research Institute
    Inventors: Hiroshi Kitasako, Masao Katsube, Katsuhiro Sakamoto, Junzo Sago, Hiroaki Tanaka, Jun Tsumori
  • Gas-Liquid Dissolving Apparatus
    Publication number: 20080142424
    Abstract: A gas-liquid dissolving apparatus that dissolves an oxygen-containing gas into water taken in from an oxygen-deficient water area, increases a dissolved oxygen concentration of the water, and returns the increased dissolved oxygen concentration water to the oxygen-deficient water area is provided.
    Type: Application
    Filed: January 28, 2005
    Publication date: June 19, 2008
    Applicants: MATSUEDOKEN CO., LTD., INCORPORATED ADMINISTRATIVE AGENCY PUBLIC WORKS RE
    Inventors: Hiroshi Kitasako, Masao Katsube, Katsuhiro Sakamoto, Junzo Sago, Hiroaki Tanaka, Jun Tsumori