Patents by Inventor Tadakatsu Kishi

Tadakatsu Kishi 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).

  • Publication number: 20040198583
    Abstract: The present invention relates to a sole-covering agent for use in a carbonization chamber of a coke oven wherein the agent includes a refractory material having an average particle diameter of 10 &mgr;m or less and a melting point higher than a wall surface temperature of a carbonization chamber during operation and an organic binder and the agent has an average particle diameter in the range of from 0.3 to 10 mm, and a method of manufacturing the same. Furthermore, a method of applying the sole-covering agent to a coke oven is also provided. According to the invention, a load generated after coating of a high temperature refractory material for use in a carbonization chamber of an oven wall and applied on a coke pushing machine can be reduced.
    Type: Application
    Filed: January 22, 2004
    Publication date: October 7, 2004
    Inventors: Takeshi Ando, Tadakatsu Kishi, Ryuzou Wakimoto, Teruo Onozawa, Shigeru Nakai
  • Patent number: 6156688
    Abstract: A repairing material for the bricks of the carbonizing chamber in a coke oven is obtained by compounding mortar as a main component with a powder comprising 70-100 wt. % of a Co compound, Ni compound, and/or Al compound and 0-30 wt. % of at least one compound selected from among the compounds of Ca, Mg, Zn, Sr, Ba, Fe, V, Pb, Cu, and Ti, and a liquid formed of water, B, P, and at least one member selected from among Si, Na, and K. A method for repairing includes hot applying the repairing material to portions of the bricks of the carbonizing chamber in the coke oven which are in need of repair.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: December 5, 2000
    Assignees: Kawasaki Steel Corporation, Kawasaki Refractories Co., Ltd., Taiho Industries Co., Ltd.
    Inventors: Takeshi Ando, Michio Homma, Shinjiro Baba, Tadakatsu Kishi, Noboru Komatsubara, Shigeru Nakai, Teruo Onozawa, Kazuma Hori