Patents by Inventor Toshio Matsuhashi

Toshio Matsuhashi 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 preparing uniformly-sized fine particles
    Patent number: 4080210
    Abstract: A method and apparatus for preparing uniformly-sized particles wherein a first liquid reactant is chemically reacted with a second liquid reactant to form precipitated particles of substantially uniform particle size which comprises forming substantially uniformly-sized droplets of one of said reactants and directing said droplets against the falling flow of the other of said reactants.
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: March 21, 1978
    Assignee: Shoei Chemical Incorporated
    Inventors: Eiichi Asada, Hiromu Sasaki, Toshio Matsuhashi