Patents Assigned to Yuugengaisya Mama Green Golf
  • Porous ceramic filter, method of manufacturing the same, ceramic filter manufacturing extrusion molding die and extrusion molding apparatus using the die
    Patent number: 5989420
    Abstract: A ceramic filter containing at least one functional material and method of manufacturing, a ceramic filter whose surface through which a liquid to be purified flows into is densest and the average particle size of the filter continuously increases toward the interior thereof, a method of manufacturing the ceramic filter including ultrasonic vibration, an extrusion molding die used to manufacture the ceramic filter and an extrusion molding apparatus using the die.
    Type: Grant
    Filed: August 27, 1996
    Date of Patent: November 23, 1999
    Assignees: Yuugengaisya Mikazuki Bunkakaikan, Yuugengaisya Mama Green Golf
    Inventor: Akitoshi Sugimoto