Patents by Inventor Yoshinori Takata

Yoshinori Takata 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 preventing scale from being deposited in case of producing fresh water from sea water
    Patent number: 3932224
    Abstract: A method of preventing scale from being deposited in case of producing fresh water from sea water by heating the sea water in a vapour pressure type evaporator and multiple stage flush evaporator and by condensing water vapour evolved to obtain the fresh water comprising adding to the sea water small amount of seed crystal selected from the group consisting of calcium carbonate and magnesium hydroxide together with a surface active agent selected from the group consisting of a nonionic active agent and cation surface active agent.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: January 13, 1976
    Assignee: Keishin Matsumoto Director-General of the Agency of Industrial Science and Technology
    Inventors: Kunio Hirota, Yoshinori Takata, Yoshijiro Arikawa, Kazuo Tanno, Yoshiaki Okajima