Patents by Inventor Kou Hojo

Kou Hojo 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).

  • 3-aminopyrrolidine compound and process for preparation thereof
    Patent number: 4785119
    Abstract: Disclosed is a novel compound of 3-aminopyrrolidine having the formula (I): ##STR1## in which R.sup.1 is hydrogen, an alkyl, an aralkyl or an aryl.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: November 15, 1988
    Assignee: Tokyo Kasei Kogyo Co., Ltd.
    Inventors: Kou Hojo, Anji Sakamoto, Masumi Tsutsumi, Tamotsu Yamada, Kazuhiko Nakazono, Kazuya Ishimori