Patents by Inventor Masayuki Yanagi

Masayuki Yanagi 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: 7846454
    Abstract: The present invention discloses nucleic acid sequences which encode infectious hepatitis C viruses and the use of these sequences, and polypeptides encoded by all or part of these sequences, in the development of vaccines and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: December 7, 2010
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Masayuki Yanagi, Jens Bukh, Suzanne U. Emerson, Robert H. Purcell
  • Publication number: 20080014212
    Abstract: The present invention discloses nucleic acid sequences which encode infectious hepatitis C viruses and the use of these sequences, and polypeptides encoded by all or part of these sequences, in the development of vaccines and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV.
    Type: Application
    Filed: April 9, 2007
    Publication date: January 17, 2008
    Inventors: Masayuki Yanagi, Jens Bukh, Suzanne Emerson, Robert Purcell
  • Publication number: 20070141668
    Abstract: The present invention discloses nucleic acid sequence which encodes infectious hepatitis C virus of strain HC-J6CH, genotype 2a, and the use of the sequence, and polypeptides encoded by all or part of the sequence, in the development of vaccines and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV.
    Type: Application
    Filed: June 12, 2006
    Publication date: June 21, 2007
    Inventors: Masayuki Yanagi, Jens Bukh, Suzanne Emerson, Robert Purcell
  • Patent number: 7201911
    Abstract: The present invention discloses nucleic acid sequences which encode infectious hepatitis C viruses and the use of these sequences, and polypeptides encoded by all or part of these sequences, in the development of vaccines and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: April 10, 2007
    Assignee: United States of America, as represented by the Secretary, Department of Health and Human Services
    Inventors: Masayuki Yanagi, Jens Bukh, Suzanne U. Emerson, Robert H. Purcell
  • Patent number: 7129342
    Abstract: The present invention relates to nucleic acid sequence which comprises the genome of an infectious GB virus B clone. The invention also relates to the use of the nucleic acid sequence of the infectious GB virus B clone to indirectly study the molecular properties of HCV, and in the production of HCV/GBV-B chimeras. The invention further relates to the use of the infectious nucleic acid sequence of GB virus B clone and the HCV/GBV-B chimeras in the development of vaccines and therapeutics for HCV.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: October 31, 2006
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Jens Bukh, Masayuki Yanagi, Suzanne U. Emerson, Robert H. Purcell
  • Patent number: 7084266
    Abstract: The present invention discloses nucleic acid sequence which encodes infectious hepatitis C virus of strain HC-J6CH, gentotype 2a, and the use of the sequence, and polypeptides encoded by all or part of the sequence, in the development of vaccines and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV.
    Type: Grant
    Filed: February 6, 2000
    Date of Patent: August 1, 2006
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Masayuki Yanagi, Jens Bukh, Suzanne U. Emerson, Robert H. Purcell
  • Patent number: 6153421
    Abstract: The present invention discloses nucleic acid sequences which encode infectious hepatitis C viruses and the use of these sequences, and polypeptides encoded by all or part of these sequences, in the development of vaccines and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV.
    Type: Grant
    Filed: January 27, 1998
    Date of Patent: November 28, 2000
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventors: Masayuki Yanagi, Jens Bukh, Suzanne U. Emerson, Robert H. Purcell
  • Patent number: 6057412
    Abstract: An amphipathic compound represented by any of the following Formulas: ##STR1## (R.sub.1 is a linear or branched, saturated hydrocarbon group having 6 to 48 carbon atoms, or a linear or branched, unsaturated hydrocarbon group containing 1 to 12 unsaturated double bond and having 6 to 48 carbon atoms; Y is NH, N--(CH.sub.2 --CH.dbd.CH.sub.2), or O; Q is --CH.sub.2 --C(R.sub.2).dbd.CH.sub.2 or --R.sub.4 --O--CO--C(R.sub.2).dbd.CH.sub.2 ; and M is alkali metal, an ammonium group, or --(CH.sub.2 CH.sub.2 O).sub.m H), a copolymer of the amphipatic compound with a copolymerizable ethylenically unsaturated compound and, a paper making additive containing a water soluble or dispersible high molecular compound as an active ingredient and processes for producing these high molecular compounds.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: May 2, 2000
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Toshihiko Takaki, Masaru Tanabe, Hiroshi Itoh, Masayuki Yanagi, Shoko Oyanagi, Hiroyoshi Watanabe
  • Patent number: 5872287
    Abstract: Provided are an amphipathic compound represented by any of the following Formulas: ##STR1## (R.sub.1 is a linear or branched, saturated hydrocarbon group having 6 to 48 carbon atoms, or a linear or branched, unsaturated hydrocarbon group containing 1 to 12 unsaturated double bond and having 6 to 48 carbon atoms; Y is NH, N--(CH.sub.2 --CH.dbd.CH.sub.2), or O; Q is --CH.sub.2 --C(R.sub.2).dbd.CH.sub.2 or --R.sub.4 --O--CO--C(R.sub.2).dbd.CH.sub.2 ; and M is alkali metal, an ammonium group, or --(CH.sub.2 CH.sub.2 O).sub.m H), a copolymer of the amphipatic compound with a copolymerizable ethylenically unsaturated compound and, a paper making additive containing a water soluble or dispersible high molecular compound as an active ingredient and processes for producing these high molecular compounds.
    Type: Grant
    Filed: June 4, 1996
    Date of Patent: February 16, 1999
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Toshihiko Takaki, Masaru Tanabe, Hiroshi Itoh, Masayuki Yanagi, Shoko Oyanagi, Hiroyoshi Watanabe, Atsushi Utsunomiya, Yasuko Ono, Masanori Tsuchihashi
  • Patent number: 5747493
    Abstract: A method for inhibiting dopamine re-uptake and treating Parkinson's disease is disclosed comprising administering a compound represented by formula (1) or a physiologically acceptable salt thereof as the active ingredient: ##STR1## wherein R.sup.1 and R.sup.2 represent each hydrogen or halogen, R.sup.3 represents hydrogen, alkyl or acyl, R.sup.4 represents hydrogen, alkyl, acyl, alkylsulfonyl or optionally esterified carboxyl, Ar represents optionally substituted phenyl or nitrogenous monocyclic heteroaromatic group, m represents a number of 1 to 5, and n represents a number of 0 to 5.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: May 5, 1998
    Assignee: Pola Chemical Industries, Inc.
    Inventors: Takayuki Namiki, Toshihiro Morimoto, Kenichi Kishii, Nobuyuki Kawakatsu, Makoto Kimura, Kyoko Yamasaki, Mariko Onoda, Yuji Yoshiko, Kazunori Harada, Masayuki Yanagi, Takeshi Yamamoto, Masato Inazu, Masaki Mitani
  • Patent number: 5391552
    Abstract: A diphenylpiperazine derivative represented by general formula (1), salt thereof, and drug for the circulatory organs containing the same as the active ingredient: ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different from each other and each represents hydrogen, halogen, alkyl, alkoxy, nitro, amino, hydroxy, optionally esterified carboxyl or trifluoromethyl; R.sup.3 represents hydrogen, alkyl, aralkyl, acyl, nitro or optionally esterified carboxymethyl; Ar represents phenyl or naphthyl which may have one to three substituents such as halogen, alkyl, alkoxy, aryloxy, aralkyloxy, nitro, amino, cyano, acyl, hydroxy, optionally esterified carboxyl, substituted sulfonyl, aryl or trifluoromethyl; Z represents sulfur or -NR.sup.4 - wherein R.sup.4 represents hydrogen, alkyl, aralkyl, acyl, aryl, substituted sulfonyl or optionally esterified carboxyl; m represents a number of 1 to 5; and n represents a number of 0 to 5.
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: February 21, 1995
    Assignee: Pola Chemical Industries, Inc.
    Inventors: Masato Inazu, Yoshiyuki Miyata, Toshihiro Morimoto, Takeshi Yamamoto, Yuji Yoshiko, Kazunori Harada, Yoshiharu Momota, Masayuki Yanagi, Ryoko Yokota, Tetsuo Katoh, Takayuki Namiki, Makoto Kimura, Nobuyuki Kawakatsu