Patents by Inventor Katsuharu Kasami

Katsuharu Kasami 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).

  • Polycrystalline BCN substance and method of producing same
    Patent number: 5866059
    Abstract: In order to produce a new substance having a diamond crystal structure, the following steps are taken in order. First, a graphite-like substance is prepared which contains boron (B), carbon (C) and nitrogen (N) as main elements. Then, the graphite-like substance is mixed with a metal powder to produce a mixture. Then, a pressure is applied to the mixture to produce a molded body, and then an explosion pressure is applied to the molded body.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: February 2, 1999
    Assignees: Central Glass Company, Limited, Agency of Industrial Science and Technology, Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Shuzo Fujiwara, Masatake Yoshida, Yozo Kakudate, Shu Usuba, Hiroyuki Yokoi, Katsutoshi Aoki, Masayuki Kawaguchi, Tadayuki Kawashima, Katsuharu Kasami, Tamikuni Komatsu