Patents by Inventor Akio Kakuta

Akio Kakuta 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).

  • Process for separation of a mixed gas
    Patent number: 4115081
    Abstract: Separation of a mixed gas is carried out at ordinary temperatures by employing a silicone oil, or a certain high polymeric substance in liquid form or in solution as the solvent for absorbing the gas. Among others, methylphenyl silicone oil is preferably employed as the solvent in separating radioactive gases.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: September 19, 1978
    Assignees: Tokyo Shibaura Electric Co., Ltd., Terukatsu Miyauchi
    Inventors: Masayoshi Ohno, Akio Kakuta, Terukatsu Miyauchi, Tatsuji Kikuchi