Patents by Inventor Tadahiro Matsushita

Tadahiro Matsushita 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: 6511816
    Abstract: The present invention discloses a protein that possesses an ability to inhibit bacterial DNA gyrase activity (DNA Gyrase-inhibiting protein; DGI); a host cell transformed by a replicable expression vector comprising a DNA that encodes DGI; a process for preparing DGI comprising culturing the same; a method for identifying a medical compound comprising assaying the action of modulating the DNA gyrase-inhibiting activity of DGI; and a method for identifying a medical compound comprising assaying the action of modulating the expression of a DGI-encoding gene.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: January 28, 2003
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Akira Nakanishi, Tadahiro Oshida, Tadahiro Matsushita, Tetsuo Onuki
  • Patent number: 5208348
    Abstract: A mercaptan compound of the formula ##STR1## wherein R.sup.3 is a hydrogen atom or a lower alkyl group, or a salt thereof.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: May 4, 1993
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Tameo Iwasaki, Kazuhiko Kondo, Hiroshi Horikawa, Totaro Yamaguchi, Tadahiro Matsushita
  • Patent number: 5153187
    Abstract: 1-Methylcarbapenem derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen atom or a hydroxy-protecting group, R.sup.2 is hydrogen atom or an ester residue, R.sup.3 is hydrogen atom or a lower alkyl group, or salts thereof, which have excellent antimicrobial activities and are useful as an antimicrobial drug.
    Type: Grant
    Filed: September 6, 1991
    Date of Patent: October 6, 1992
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Tameo Iwasaki, Kazuhiko Kondo, Hiroshi Horikawa, Totaro Yamaguchi, Tadahiro Matsushita
  • Patent number: D662236
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: June 19, 2012
    Assignee: CCS Inc.
    Inventor: Tadahiro Matsushita