Patents by Inventor Masafusa Karasawa

Masafusa Karasawa 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 and apparatus for purification and activation of water
    Patent number: 4501661
    Abstract: A method and an apparatus for purification and activation of water not only from a water purification plant but also from other sources by passing water through dechloration zone, to eliminate chlorine ion, activation zone to disorder the equilibrium state of water and ionize the water and settlement zone to disturb the ionic balance of the ionized water and make it oriented to be softened successively.
    Type: Grant
    Filed: April 3, 1984
    Date of Patent: February 26, 1985
    Inventor: Masafusa Karasawa