Patents by Inventor Akitosi Kato

Akitosi Kato 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).

  • Cold rolled steel strip having an excellent phosphatizing property and process for producing the same
    Patent number: 4437947
    Abstract: A cold rolled steel strip having an excellent phosphatizing property and being capable of firmly bonding with a corrosion-resistant paint coating, comprises a cold rolled steel strip substrate having at least one descaled surface thereof which is substantially free from carbonaceous and oxide substances and; at least one defective metal deposit layer incompletely covering the descaled surface and comprising at least one elementary metal selected from Mn, Ni, Co, Cu and Mo.
    Type: Grant
    Filed: September 15, 1982
    Date of Patent: March 20, 1984
    Assignee: Nippon Steel Corporation
    Inventors: Takao Saito, Jyun-ichi Morita, Kikuji Hirose, Akitosi Kato