Patents by Inventor Masaaki Suezawa

Masaaki Suezawa 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).

  • Patent number: 3944144
    Abstract: This invention relates to a method for dispersing a suspension of solid particles into the colloidal state, which comprises charging grinding media and said dispersion into a vessel so that the volume ratio of the grinding media and the suspension is within a range of from 2/1 to 1/2 and agitating the suspension and the grinding media by rotating one agitation rod mounted on the tip end of an agitation shaft at the lower part of the central portion of the vessel so that the peripheral velocity of the tip of the agitation rod is within a range of from 6 to 20 m/sec. The invention also is directed to an apparatus for practicing this method.
    Type: Grant
    Filed: June 10, 1974
    Date of Patent: March 16, 1976
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Akira Okada, Ryoji Izumi, Syogo Ninomiya, Yukio Tahara, Yuji Takehara, Masaaki Suezawa, Kazuhiro Kawasaki