Patents by Inventor Sadashi Ogino

Sadashi Ogino 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 for operation of a converter
    Patent number: 4101312
    Abstract: Method for operation of a converter, wherein formed slag is made inert by lowering its temperature through adding of cooling medium, such as burntlime, burnt dolomite, limestone, dolomite, scrapbrick, converter slag, etc. immediately after shutdown of the oxygen blowing for refining, thus improving the productivity as well as the quality of steel.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: July 18, 1978
    Assignee: Nippon Steel Corporation
    Inventors: Yozo Takemura, Shigeyoshi Fukuda, Sadashi Ogino