Patents by Inventor Yutaka Hayauchi

Yutaka Hayauchi 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).

  • Publication number: 20140186444
    Abstract: The present application relates to novel drug formulations of vardenafil which dissolve rapidly in the mouth and lead to increased bioavailability and to a plateau-like plasma concentration profile, and to processes for their preparation.
    Type: Application
    Filed: December 16, 2013
    Publication date: July 3, 2014
    Inventors: Peter Serno, Roland Heinig, Kerstin Pauli, Yutaka Hayauchi
  • Patent number: 8613950
    Abstract: The present application relates to novel drug formulations of vardenafil which dissolve rapidly in the mouth and lead to increased bioavailability and to a plateau-like plasma concentration profile, and to processes for their preparation.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: December 24, 2013
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Peter Serno, Roland Heinig, Kerstin Pauli, Yutaka Hayauchi
  • Patent number: 8063243
    Abstract: The present invention relates to stable active compound complexes of salts of o-acetylsalicylic acid with basic amino acids and glycine, to a process for their preparation and to their use as medicaments.
    Type: Grant
    Filed: May 20, 2006
    Date of Patent: November 22, 2011
    Assignee: Bayer Pharma Aktiengesellschaft
    Inventors: Gerhard Franckowiak, Wolfram Ledwoch, Eberhard Schweinheim, Yutaka Hayauchi
  • Publication number: 20090306024
    Abstract: The present invention relates to a fixed combination comprising a salt of o-acetylsalicylic acid with a basic amino acid as component A and an HMG-CoA reductase inhibitor as component B, a medicament comprising this combination and a process for its production.
    Type: Application
    Filed: October 4, 2006
    Publication date: December 10, 2009
    Inventors: Wolfram Ledwoch, Claus Gert Haase, Gerhard Franckowiak, Heike Wagner, Yutaka Hayauchi
  • Publication number: 20090226524
    Abstract: The present invention relates to stable active compound complexes of salts of o-acetylsalicylic acid with basic amino acids and glycine, to a process for their preparation and to their use as medicaments.
    Type: Application
    Filed: May 20, 2006
    Publication date: September 10, 2009
    Applicant: Bayer Healthcare AG
    Inventors: Gerhard Franckowiak, Wolfram Ledwoch, Eberhard Schweinheim, Yutaka Hayauchi
  • Publication number: 20080249096
    Abstract: The present application relates to novel drug formulations of vardenafil which dissolve rapidly in the mouth and lead to increased bioavailability and to a plateau-like plasma concentration profile, and to processes for their preparation.
    Type: Application
    Filed: February 16, 2006
    Publication date: October 9, 2008
    Applicant: BAYER HEALTHCARE AG
    Inventors: Peter Serno, Roland Heinig, Kerstin Pauli, Yutaka Hayauchi
  • Patent number: 4891425
    Abstract: A N-glycosylamide derivative of the formula (I) ##STR1## in which R.sup.1 denotes hydrogen or a saturated or mono- or polyunsaturated alkyl radical with one to 50 carbon atoms,R.sup.2 denotes hydrogen or a saturated or mono- or polyunsaturated alkyl radical with one to 50 carbon atoms,R.sup.3 denotes hydrogen or an acyl radical with up to 20 carbon atoms,R.sup.4 denotes hydrogen or an alkyl radical with up to 4 carbon atoms andR.sup.5 and R.sup.6 independently of one another denote hydrogen or an acyl radical with up to 10 carbon atoms or a saturated or an unsaturated alkyl radical or an aralkyl radical with up to 10 carbon atoms, orR.sup.5 l and R.sup.6 together denote a grouping ##STR2## wherein R.sup.7 and R.sup.8 independently of one another denote hydrogen or lower alkyl with up to 5 carbon atoms or an unsubstituted or substituted aryl radical with up to 10 C atoms in the aromatic part. The N-glycosylamide derivatives exhibiting a broad defense-increasing action in the body.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: January 2, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Oswald Lockhoff, Yutaka Hayauchi, Peter Stadler, Helmut Brunner
  • Patent number: 4855283
    Abstract: Compounds of the formula ##STR1## in which R.sup.1 denotes hydrogen or a saturated or singly or multiply unsaturated alkyl radical having up to 50 carbon atoms,X represents --CH.sub.2 --, --O-- or --NH--,R.sup.2 denotes hydrogen or a saturated or singly or multiply unsaturated alkyl radical having up to 50 carbon atoms,R.sup.3, R.sup.4 and R.sup.5, independently of one another, denotes hydrogen or acyl--CO--R.sup.6, R.sup.6 being an alkyl radical having up to 10 carbon atoms,R.sup.7 denotes hydrogen, C.sub.1 -C.sub.7 -alkyl-, hydroxymethyl, 1-hydroxyethyl, mercaptomethyl, 2-(methylthio)-ethyl, 3-aminopropyl, 3-ureidopropyl, 3-guanidyl-propyl, 4-aminobutyl, carboxymethyl, carbamylmethyl, 2-carboxyethyl, 2-carbamoylethyl, benzyl, 4-hydroxybenzyl, 3-indolylmethyl or 4-imidazolylmethyl, andR.sup.8 represents hydrogen or methyl, andR.sup.9 represents hydrogen, acetyl, benzoyl, trichloroacetyl, trifluoroacetyl, methoxycarbonyl, t-butyloxycarbonyl or benzyloxycarbonyl andR.sup.7 and R.sup.8 together can denote --CH.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: August 8, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Oswald Lockhoff, Yutaka Hayauchi, Peter Stadler, Klaus G. Stunkel, Gert Streissle, Arnold Paessens, Volker Klimetzek, Hans-Joachim Zeiler, Karl G. Metzger, Hein-Peter Kroll, Helmut Brunner, Klaus Schaller
  • Patent number: 4699899
    Abstract: Novel compounds of the formula ##STR1## in which X is hydrogen or --CH.sub.2 --OR.sup.5,Z represents OR.sup.4, NH.sub.2 or ##STR2## R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each independently is hydrogen or ##STR3## at least one of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 being ##STR4## Y and W each independently is oxygen, sulphur, NH or CH.sub.2, and R.sup.1, R.sup.6, R.sup.7 and R.sup.8 each independently is an optionally substituted hydrocarbon radical with up to 50 C atoms,stimulate the immune system.
    Type: Grant
    Filed: February 21, 1986
    Date of Patent: October 13, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd-Wieland Kruger, Yutaka Hayauchi, Oswald Lockhoff, Peter Stadler, Karl G. Metzger, Klaus G. Stunkel, Hans-Joachim Zeiler