Patents by Inventor Yuichiro Iwasaki

Yuichiro Iwasaki 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 manufacturing crushed sands from blast furnace water granulated slags
    Patent number: 4268295
    Abstract: Apparatus and method for manufacturing crushed sands from blast furnace melted slags including maintaining molten blast furnace melted slags out of contact with water while cooling the molten slags to a temperature between 850.degree. C. to 1300.degree. C. and then rapidly cooling the cooled slags with water thereby producing coarse grain hard quality water processed slags.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: May 19, 1981
    Assignee: Nakayama Steel Works, Limited
    Inventors: Katsuji Yamamoto, Yuichiro Iwasaki, Akira Adachi, Toshiro Kawata, Keisuke Nagano, Seiichi Fujita, Mikio Harada