Patents by Inventor Hajime Agata

Hajime Agata 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).

  • Patent number: 7909948
    Abstract: When starting raw material powder is passed through a pair of rolls (2a), plastic working is applied to the starting raw material powder, and the crystal grain diameter of a metal or alloy constituting a matrix of the powder particle after processed is miniaturized. According to the thus provided alloy powder raw material, the maximum size of the powder particle is not more than 10 mm and the minimum size of the powder particle is not less than 0.1 mm, and the maximum crystal grain diameter of the metal or alloy constituting the matrix of the powder particle is not more than 30 ?m.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: March 22, 2011
    Assignees: Gohsyu Co., Ltd., Kurimoto, Ltd.
    Inventors: Katsuyoshi Kondoh, Mitsuhiro Goto, Hideaki Fukui, Shuji Shiozaki, Hajime Agata, Katsuhito Itakura, Kazunori Fukumoto
  • Publication number: 20080038573
    Abstract: When starting raw material powder is passed through a pair of rolls (2a), plastic working is applied to the starting raw material powder, and the crystal grain diameter of a metal or alloy constituting a matrix of the powder particle after processed is miniaturized. According to the thus provided alloy powder raw material, the maximum size of the powder particle is not more than 10 mm and the minimum size of the powder particle is not less than 0.1 mm, and the maximum crystal grain diameter of the metal or alloy constituting the matrix of the powder particle is not more than 30 ?m.
    Type: Application
    Filed: May 21, 2004
    Publication date: February 14, 2008
    Inventors: Katsuyoshi Kondoh, Mitsuhiro Goto, Hideaki Fukui, Shuji Shiozaki, Hajime Agata, Katsuhito Itakura, Kazunori Fukumoto