Patents by Inventor Kazumi Imamura

Kazumi Imamura 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).

  • Basalt fiber material
    Patent number: 7767603
    Abstract: A network former and a glass modifier are formed and maintained by using basalt rock ore, and the crystallization and binding of basalt fiber are inhibited The heat-resistance property of basalt fiber is greatly improved from the conventional 750° C. to 850 or 900° C., and significant cost reduction is achieved over conventional products. Basalt fiber material having basalt rock as a raw material to which one or more kinds of oxide selected from Al2O3, SiO2, CaO, and MgO is added, and basalt fiber material having two kinds of basalt rock containing different amounts of elements as raw materials are provided.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: August 3, 2010
    Assignees: Toyota Jidosha Kabushiki Kaisha, Nakagawa Sangyo Co., Ltd.
    Inventors: Sumio Kamiya, Isao Tanaka, Kazumi Imamura, Hironori Sasaki, Noriaki Nakagawa
  • Basalt fiber material
    Publication number: 20060287186
    Abstract: A network former and a glass modifier are formed and maintained by using basalt rock ore, and the crystallization and binding of basalt fiber are inhibited The heat-resistance property of basalt fiber is greatly improved from the conventional 750° C. to 850 or 900° C., and significant cost reduction is achieved over conventional products. Basalt fiber material having basalt rock as a raw material to which one or more kinds of oxide selected from Al2O3, SiO2, CaO, and MgO is added, and basalt fiber material having two kinds of basalt rock containing different amounts of elements as raw materials are provided.
    Type: Application
    Filed: June 5, 2006
    Publication date: December 21, 2006
    Inventors: Sumio Kamiya, Isao Tanaka, Kazumi Imamura, Hironori Sasaki, Noriaki Nakagawa