Patents by Inventor Kichiro Kaji

Kichiro Kaji 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).

  • Process for producing silicon carbide whiskers
    Patent number: 4873070
    Abstract: A process for producing silicon carbide whiskers by heating a react solid silicon-containing starting material and carbon-containing starting material in a reaction vessel, wherein a molding material, which is prepared by previously molding the silicon-cotaining starting material into a predetermined shape, and a powdery carbon starting material are heated to a predetermined reaction temperature under a hydrogen gas atmosphere. Silicon carbide whiskers which are linear with no bendings, long fiber length, high aspect ratio and low silicon dioxide impurity can be obtained at a high yield of greater than 90% based on silicon vaporized from the silicon-containing starting material.
    Type: Grant
    Filed: September 15, 1987
    Date of Patent: October 10, 1989
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Kichiro Kaji, Katsunori Shimasaki, Masakazu Yamamoto, Kozo Saiki, Keita Yura, Hidetsugu Habata, Isao Kimura, Tetsuo Suzuki