Patents by Inventor Fumio Kiyono

Fumio Kiyono 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).

  • Method of separating and recovering carbon dioxide from combustion exhausted gas and apparatus therefor
    Patent number: 6372023
    Abstract: There is disclosed a method of separating and recovering carbon dioxide from combustion exhausted gas, which method includes: bringing the combustion exhausted gas in contact with water, under a pressure-increased condition, to form carbon dioxide hydrate; and thus separating and recovering carbon dioxide contained in the combustion exhausted gas. According to the method, CO2 of high purity can be separated and recovered from the combustion exhausted gas at low cost and with low energy consumption. There is also disclosed an apparatus for separation and recovery of CO2 which apparatus is employed in the method.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: April 16, 2002
    Assignees: Secretary of Agency of Industrial Science and Technology
    Inventors: Fumio Kiyono, Takayuki Saito
  • Nozzle for water jet cutting
    Patent number: 5020724
    Abstract: A nozzle for water jet cutting has a piezoelectric element provided at a position for acting on a fluid in its pressure chamber. A voltage varying with time is applied to the piezoelectric element to provide flow rate oscillation or pressure pulsation to the fluid which is jetted from the nozzle.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: June 4, 1991
    Assignee: Agency of Industrial Science and Technology, Ministry of International Trade & Industry
    Inventors: Fumio Kiyono, Takayuki Saito, Keiji Handa