Patents by Inventor Keizo Yuasa

Keizo Yuasa 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).

  • Phosphodiesterase and gene thereof
    Patent number: 8012731
    Abstract: The present invention is to provide a novel phosphodiesterase and a gene thereof, specifically, Type 11 phosphodiesterase (PDE11) and a gene thereof, more specifically, a phosphodiesterase selected from (A) a protein having an amino acid sequenced shown by SEQ.ID.NO: 2, SEQ.ID.NO: 4, SEQ.ID.NO: 6 or SEQ.ID.NO: 39, and (B) a protein having an amino acid sequence shown by SEQ.ID.NO: 2, SEQ.ID.NO: 4, SEQ.ID.NO: 6 or SEQ.ID.NO: 39 in which one or several amino acids are deleted, substituted or added, and having an activity of hydrolyzing a cyclic nucleotide, and a gene thereof, and a method of characterizing, identifying and selecting a phosphodiesterase inhibitor by using the same.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: September 6, 2011
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kenji Omori, Keizo Yuasa, Jun Kotera, Kotomi Oda, Hideo Michibata
  • NOVEL PHOSPHODIESTERASE AND GENE THEREOF
    Publication number: 20090325207
    Abstract: The present invention is to provide a novel phosphodiesterase and a gene thereof, specifically, Type 11 phosphodiesterase (PDE11) and a gene thereof, more specifically, a phosphodiesterase selected from (A) a protein having an amino acid sequenced shown by SEQ.ID.NO: 2, SEQ.ID.NO: 4, SEQ.ID.NO: 6 or SEQ.ID.NO: 39, and (B) a protein having an amino acid sequence shown by SEQ.ID.NO: 2, SEQ.ID.NO: 4, SEQ.ID.NO: 6 or SEQ.ID.NO: in which one or several amino acids are deleted, substituted or added, and having an activity of hydrolyzing a cyclic nucleotide, and a gene thereof, and a method of characterizing, identifying and selecting a phosphodiesterase inhibitor by using the same.
    Type: Application
    Filed: December 20, 2007
    Publication date: December 31, 2009
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Kenji OMORI, Keizo Yuasa, Jun Kotera, Kotomi Oda, Hideo Michibata
  • Phosphodiesterase and genes thereof
    Patent number: 7332317
    Abstract: The present invention is to provide a novel phosphodiesterase and a gene thereof, specifically, Type 11 phosphodiesterase (PDE11) and a gene thereof, more specifically, a phosphodiesterase selected from (A) a protein having an amino acid sequenced shown by SEQ.ID.NO: 2, SEQ.ID.NO: 4, SEQ.ID.NO: 6 or SEQ.ID.NO: 39, and (B) a protein having an amino acid sequence shown by SEQ.ID.NO: 2, SEQ.ID.NO: 4, SEQ.ID.NO: 6 or SEQ.ID.NO: 39 in which one or several amino acids are deleted, substituted or added, and having an activity of hydrolyzing a cyclic nucleotide, and a gene thereof, and a method of characterizing, identifying and selecting a phosphodiesterase inhibitor by using the same.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: February 19, 2008
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kenji Omori, Keizo Yuasa, Jun Kotera, Kotomi Oda, Hideo Michibata
  • Novel phosphodiesterase and genes thereof
    Publication number: 20030190672
    Abstract: The present invention is to provide a novel phosphodiesterase and a gene thereof, specifically, Type 11 phosphodiesterase (PDE11) and a gene thereof, more specifically, a phosphodiesterase selected from (A) a protein having an amino acid sequenced shown by SEQ.ID.NO: 2, SEQ.ID.NO: 4, SEQ.ID.NO: 6 or SEQ.ID.NO: 39, and (B) a protein having an amino acid sequence shown by SEQ.ID.NO: 2, SEQ.ID.NO: 4, SEQ.ID.NO: 6 or SEQ.ID.NO: 39 in which one or several amino acids are deleted, substituted or added, and having an activity of hydrolyzing a cyclic nucleotide, and a gene thereof, and a method of characterizing, identifying and selecting a phosphodiesterase inhibitor by using the same.
    Type: Application
    Filed: June 21, 2002
    Publication date: October 9, 2003
    Inventors: Kenji Omori, Keizo Yuasa, Jun Kotera, Kotomi Oda, Hideo Michibata