Patents by Inventor Yuzuru Osaki

Yuzuru Osaki 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 of repairing coke oven
    Patent number: 6539602
    Abstract: Repairing a chamber coke oven by heat-insulating a repair space in the oven, dividing a brick wall in a portion to be repaired into a plurality of layers stacked one above another, dismantling and removing the brick wall in the repaired portion, and carrying refractory assemblies into the oven one by one, each of the refractory assemblies being manufactured outside the oven by combining a plurality of bricks together correspond in shape to each of the stacked layers in one-to-one relation, thereby building the brick wall in the repaired portion with the refractory assemblies. A damaged combustion chamber brick wall of the coke oven near an oven opening can be repaired with high efficiency.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: April 1, 2003
    Assignees: Kawasaki Steel Corporation, Otto Corporation
    Inventors: Tatsuya Ozawa, Nozomu Tamura, Tetsuro Uchida, Nobuya Kamide, Yuzuru Osaki, Yoshiharu Sato