Patents Assigned to Shoei Chemical Incorporated
  • Thick film resistor
    Patent number: 4293839
    Abstract: A thick film resistor comprising a resistive film element comprising 100 parts by weight of RuO.sub.2 and glass and 0.1 to 15 parts by weight of Au, electrodes containing not less than 50 weight percent of Ag therein connected to the terminal portions of the resistive film element, and an insulating substrate on which the resistive film element and the electrodes are formed.
    Type: Grant
    Filed: March 12, 1980
    Date of Patent: October 6, 1981
    Assignee: Shoei Chemical Incorporated
    Inventors: Eiichi Asada, Toshio Inokuma, Isao Egawa
  • 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