Patents Assigned to Yasunori Nishijima
  • Fluorine-containing nitroimidazole compounds
    Patent number: 5304654
    Abstract: A 2-nitroimidazole compound of the formula: ##STR1## wherein R.sub.f is a fluorine-containing organic group which has at least one fluorine atom on a carbon atom which bonds to the nitrogen atom of the imidazole ring or a carbon atom which bonds to said carbon atom and a radiosensitizer comprising said nitroimidazole derivative.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: April 19, 1994
    Assignees: Yasunori Nishijima, Daikin Industries, Ltd.
    Inventors: Tsutomu Kagiya, Mitsuyuki Abe, Seiichi Nishimoto, Yuta Shibamoto, Kazuhiro Shimokawa, Yorisato Hisanaga, Tatsuo Nakada, Toru Yoshizawa
  • Fluorine-containing nitroazole derivatives and radiosensitizer comprising the same
    Patent number: 4927941
    Abstract: A nitroazole derivative of the formula:NA--R.sub.f (I)wherein NA is 3-nitro-1,2,4-triazol-l-yl and R.sub.f is a fluorine-containing organic group which is useful as a radiosensitizer.
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: May 22, 1990
    Assignee: Yasunori Nishijima & Daikin Industries Ltd.
    Inventors: Tsutomu Kagiya, Mitsuyuki Abe, Seiichi Nishimoto, Yuta Shibamoto, Kazuhiro Shimokawa, Yorisato Hisanaga, Tatsuo Nakada, Toru Yoshizawa