Patents by Inventor Hidemi Sudo

Hidemi Sudo 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: 4833263
    Abstract: An electron-accepting compound represented by the formula (I): ##STR1## wherein R represents a hydrogen atom or --B(Mes).sub.2 and Mes represents a mesityl group.A method for preparing an electron-accepting compound represented by the above-described formula (I), which comprises condensing a benzophenone derivative represented by the following formula (II) with malononitride, ##STR2## wherein R and Mes have the same meanings as defined for the formula (I).
    Type: Grant
    Filed: January 13, 1988
    Date of Patent: May 23, 1989
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yutaka Akasaki, Katsuhiro Sato, Hiroyuki Tanaka, Katsumi Nukada, Hidemi Sudo