Patents by Inventor Masanori Sasatsu

Masanori Sasatsu 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).

  • Novel Tannase Gene And Protein Thereof
    Publication number: 20090239216
    Abstract: A polynucleotide encoding a protein as defined in the following (a), (b) or (c): (a) a protein comprising the amino acid sequence as shown in SEQ ID NO: 2; (b) a protein comprising the amino acid sequence as shown in SEQ ID NO: 2 with one or several amino acids substituted, deleted, inserted or added, and having a tannase activity; (c) a protein comprising an amino acid sequence showing 90% or more homology to the amino acid sequence as shown in SEQ ID NO: 2, and having a tannase activity.
    Type: Application
    Filed: December 27, 2005
    Publication date: September 24, 2009
    Applicant: EISAI R & D MANAGEMENT CO., LTD.
    Inventors: Masanori Sasatsu, Norihisa Noguchi, Fuminori Moriyasu
  • Diagnostic agent and test method for colon cancer using tannase as index
    Patent number: 7090997
    Abstract: A diagnostic agent for colon cancer, which comprises a reagent for detecting a tannase high-producing bacterium or measuring an amount of tannase contained in an intracolonic microflora sample, and a test method for colon cancer, which comprises the step of detecting a tannase high-producing bacterium or measuring an amount of tannase contained in an intracolonic microflora sample.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: August 15, 2006
    Assignee: Eisai Co., Ltd.
    Inventors: Masanori Sasatsu, Masahisa Noguchi, Taisei Shiratori
  • Diagnostic and examination method for cancer of the colon using tannase as indication
    Publication number: 20040137549
    Abstract: A diagnostic agent for colon cancer, which comprises a reagent for detecting a tannase high-producing bacterium or measuring an amount of tannase contained in an intracolonic microflora sample, and a test method for colon cancer, which comprises the step of detecting a tannase high-producing bacterium or measuring an amount of tannase contained in an intracolonic microflora sample.
    Type: Application
    Filed: April 28, 2003
    Publication date: July 15, 2004
    Inventors: Masanori Sasatsu, Masahisa Noguchi, Taisei Shiratori
  • Azetidine derivative, bifidobacterium division-promoting composition containing the same, and a process for production thereof
    Patent number: 6063935
    Abstract: An azetidine derivative is provided which includes 3,3-dihydroxyazetidine represented by Chemical Formula (I) or a salt thereof: ##STR1## A composition containing the azetidine derivative, and a process for producing the azetidine derivative are also provided. The azetidine derivative is a novel compound, and is useful for promoting bifidobacterium divisional multiplication.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: May 16, 2000
    Assignee: Toa Pharmaceutical Co., Ltd.
    Inventors: Takashi Masuda, Taketoshi Arai, Kenji Shiojima, Masanori Sasatsu, Kazuo Masuda, Hajime Hamashima, Genichiro Seo