Patents Assigned to Japat Ltd.
  • Antagonists of endothelin receptors
    Patent number: 5703106
    Abstract: The present invention provides novel compounds having pharmacological properties represented by the general formula I ##STR1## processes for the manufacture, pharmaceutical compositions and the use of the compounds of formula I and salts thereof.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: December 30, 1997
    Assignee: Japat Ltd.
    Inventors: Thomas Fruh, Thomas Pitterna, Toshiki Murata, Lene D. Svensson, Yoko Yuumoto, Junichi Sakaki
  • Sheet-like heating elements and preparation thereof
    Patent number: 5382382
    Abstract: A sheet-like heating element using an electrically conductive polymer complex consisting of a) a polycation of polyheteroaromatic compound; and b) a polyanion of thermoplastic polymer, containing a sulfated alcohol group in the repeating structural unit, having film-forming properties.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: January 17, 1995
    Assignee: Japat Ltd.
    Inventors: Toshikage Asakura, Wolfgang Wernet, Masaki Ohwa, Kenichiro Kai
  • 1,2,4-triazole-3-yl-alkane- or cycloalkane-phosphonic acids as active substances in weed killers
    Patent number: 5248655
    Abstract: A triazole of the formula I ##STR1## in which the meanings of the radicals are described in claim 1, have a herbicidal and plant-growth regulating action. They are suitable as active substances in weed killers and in compositions for positively influencing the growth of crop plants.
    Type: Grant
    Filed: August 7, 1992
    Date of Patent: September 28, 1993
    Assignee: Japat Ltd.
    Inventors: Kenji Hayakawa, Ichiro Mori, Genji Iwasaki, Shin-Ichiro Matsunaga
  • Enzyme and DNA coding therefor
    Patent number: 5196316
    Abstract: The invention concerns a peptidylhydroxyglycine N-C lyase (PHL) catalyzing the reactionR-GlyOH.fwdarw.R-NH.sub.2wherein R represents a peptide residue, and GlyOH represents an .alpha.-hydroxyglycine residue linked to the C-terminus of said peptide R by an amide bond, a recombinant DNA molecule coding for a PHL, a method for the preparation of such a recombinant DNA molecule, processes for the preparation of PHL from a natural source or by means of the said recombinant DNA molecule, and the use of PHL for the preparation of an amidated peptide R-NH.sub.2.
    Type: Grant
    Filed: May 30, 1991
    Date of Patent: March 23, 1993
    Assignee: Japat Ltd.
    Inventors: Yasuno Iwasaki, Yoshiki Nishikawa
  • Electrophotographic photoreceptors
    Patent number: 5098810
    Abstract: The present invention provides an electrophotographic photoreceptor consisting essentially of an electrically conductive substrate and a photosensitive layer containing at least one charge transport material selected from the compound shown by formulae (1), (2), (3), (4), and (5): ##STR1## and at least one charge generating material selected from pyrrolopyrrole compounds of formula (6) ##STR2##
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: March 24, 1992
    Assignee: Japat Ltd.
    Inventors: Jin Mizuguchi, Seiji Homma, Hiroshi Yamamoto, Takashi Deno