Patents by Inventor Chuzo Sudo

Chuzo Sudo 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).

  • Steel wire for use in stranded steel core of an aluminum conductor, steel reinforced and production of same
    Patent number: 4525598
    Abstract: A galvanized high strength steel wire for use in stranded steel core of an aluminum conductor, steel reinforced is disclosed. The steel composition thereof consists, by weight, essentially of:C: 0.4-1.2%,Si: not more than 2.0%,Mn: not more than 2.0%,Al: not more than 0.1%,Cr: 0-5.0%,Cu: 0-1.0%,Ni: 0-1.0%,V: 0-0.5%,Nb: 0-0.2%,Ti: 0-0.2%,Zr: 0-0.2%,with the balance iron with incidental impurities of which the amounts of P, S, N and oxygen are:P: not more than 0.025%,S: not more than 0.015%,P+S: not more than 0.03%,N: not more than 0.010%,Oxygen: not more than 0.004%.
    Type: Grant
    Filed: October 20, 1982
    Date of Patent: June 25, 1985
    Assignee: Sumitomo Metal Industries, Ltd.
    Inventors: Takashi Tsukamoto, Chuzo Sudo, Kenji Aihara, Syozi Nishimura