Patents by Inventor Go Hirata

Go Hirata 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 of Production of Ultralow Carbon Cast Slab
    Publication number: 20090288799
    Abstract: A method of production of an ultralow carbon cast slab characterized by adding Ti to molten steel decarburized to a carbon concentration of 0.01 mass % or less, further adding at least one of Ce, La, and Nd, and using an immersion nozzle to inject the above molten steel from a tundish to a casting mold for continuous casting while maintaining a flow rate of Ar gas blown from any location in a range from a tundish upper nozzle to discharge ports of said immersion nozzle at 3 Nl (normal liter)/min or less.
    Type: Application
    Filed: October 27, 2006
    Publication date: November 26, 2009
    Inventors: Masafumi Miyazaki, Akihiro Matsuzawa, Katsuhiro Sasai, Wataru Ohashi, Yasuhiko Ohtani, Katsunori Yamada, Masahiro Doki, Go Hirata, Yoshiaki Kimura, Hajime Hasegawa