Patents by Inventor Wakao Sato

Wakao Sato 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).

  • Quinoline derivatives
    Patent number: 5405843
    Abstract: Heterocyclic compounds useful as anticancer drug potentiaters having a potentiating effect on the incorporation of anticancer drugs into cancer cells are disclosed, the compounds each synthesized by, for example, reacting a epoxy compound obtained by reacting a heterocyclic compound with an epihalogenohydrin, with an amine derivative.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: April 11, 1995
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Nobuyuki Fukazawa, Makoto Odate, Tsuneji Suzuki, Kengo Otsuka, Takashi Tsuruo, Wakao Sato
  • Heterocyclic compounds and anticancer-drug potentiaters conaining them as effective components
    Patent number: 5204348
    Abstract: Novel heterocyclic compounds, which are represented by the following general formula, useful as anticancer drug potentiaters having a potentiating effect on the incorporation of anticancer drugs into cancer cells, the compounds each synthesized by, for example, reacting a epoxy compound obtained by reacting a heterocyclic compound with an epihalogenohydrin, with an amine derivative.
    Type: Grant
    Filed: December 3, 1991
    Date of Patent: April 20, 1993
    Assignee: Mitsui Toatsu Chemicals Inc.
    Inventors: Nobuyuki Fukazawa, Makoto Odate, Tsuneji Suzuki, Kengo Otsuka, Takashi Tsuruo, Wakao Sato
  • Anti-ganglioside GD.sub.1 A monoclonal antibody MZ, MZ-producing cells and MZ-containing reagent
    Patent number: 5192662
    Abstract: Disclosed is a novel anti-ganglioside GD.sub.1a monoclonal antibody (MZ) which is capable of recognizing ganglioside GD.sub.1a but is practically incapable of recognizing GalCer, LacCer, Gb.sub.3, Gb.sub.4, GA.sub.1, GA.sub.2, GM.sub.2, GM.sub.3, GD.sub.1b, GT.sub.1b, GQ.sub.1b, Fuc-GM.sub.1, nLc.sub.4 and sialosyl nLc.sub.4 ; MZ-producing cells; an MZ-containing reagent; and a method for the detection or quantification of GD.sub.1a using the reagent, e.g., to diagnose cancer, systematic lupus erythematosus and diseases resulting from organic injury of the nervous system.
    Type: Grant
    Filed: September 7, 1988
    Date of Patent: March 9, 1993
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Shizuo Shimada, Daiji Iwata, Wakao Sato
  • Quinoline derivatives
    Patent number: 5112817
    Abstract: Novel heterocyclic compounds, which are represented by the following general formula, useful as anticancer drug potentiaters having a potentiating effect on the incorporation of anticancer drugs into cancer cells, the compounds each synthesized by, for example, reacting a epoxy compound obtained by reacting a heterocyclic compound with an epihalogenohydrin, with an amine derivative.
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: May 12, 1992
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Nobuyuki Fukazawa, Makoto Odate, Tsuneji Suzuki, Kengo Otsuka, Takashi Tsuruo, Wakao Sato