Patents by Inventor Masashi Kurimoto

Masashi Kurimoto 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: 20140336364
    Abstract: A protein which induces the IFN-? production by immunocompetent cells and has a molecular weight of 19,000±5,000 daltons on SDS-PAGE or gel filtration method and a pI of 4.8±1.0 on chromatofocusing. The protein is isolated from mouse liver and can be purified by a monoclonal antibody specific to it. The monoclonal antibody can be also used for assaying the protein.
    Type: Application
    Filed: July 31, 2014
    Publication date: November 13, 2014
    Inventors: Haruki OKAMURA, Tadao TANIMOTO, Kakuji TORIGOE, Toshi KUNIKATA, Mutsuko TANIGUCHI, Keizo KOHNO, Masashi KURIMOTO
  • Patent number: 8778882
    Abstract: The present invention has an object to provide an agent for strengthening calcium-containing tissues, which can be safely applied; and its use: The present invention solves the object by providing an agent for strengthening calcium-containing tissues, which comprises one or more flavones, flavonols, flavanones, flavanonols, anthocyanidins, flavanols, chalcones, and aurones.
    Type: Grant
    Filed: September 15, 2008
    Date of Patent: July 15, 2014
    Assignee: Hayashibara Co., Ltd.
    Inventors: Masaki Miyake, Shimpei Ushio, Kanso Iwaki, Masashi Kurimoto
  • Patent number: 7758853
    Abstract: A protein which induces the IFN-? production by immunocompetent cells and has a molecular weight of 19,000±5,000 daltons on SDS-PAGE or gel filtration method and a pI of 4.8±1.0 on chromatofocusing. The protein is isolated from mouse liver and can be purified by a monoclonal antibody specific to it. The monoclonal antibody can be also used for assaying the protein.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: July 20, 2010
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Haruki Okamura, Tadao Tanimoto, Kakuji Torigoe, Toshi Kunikata, Mutsuko Taniguchi, Keizo Kohno, Masashi Kurimoto
  • Patent number: 7732425
    Abstract: An ophthalmic pharmaceutical composition comprising trehalose as an effective ingredient and a pharmaceutically-acceptable carrier. The pharmaceutical composition is a safe, long-term continuously-administrable, therapeutic and/or prophylactic agent for the ophthalmologic clinical symptoms and signs in Sjögren syndrome.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: June 8, 2010
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Toshihiko Matsuo, Masashi Kurimoto, Hiroshi Yamauchi
  • Patent number: 7666403
    Abstract: The present invention has objects to provide a mutant interferon-? protein having a higher anti-viral and anti-tumor activity and to provide an agent for susceptive diseases, which contains the mutant interferon-? protein as an effective ingredient; and solves the above objects by providing a mutant protein which has an amino acid sequence of human interferon-? subtype ?8 represented by any one of SEQ ID NOs:1 to 3, where the arginine residue at the 145th has been replaced with leucine, isoleucine, or valine residue; the alanine residue at the 146th has been replaced with asparagine or serine residue; and the methionine residue at the 149th has been replaced with tyrosine residue; and an agent for susceptive diseases, containing the mutant protein.
    Type: Grant
    Filed: November 9, 2005
    Date of Patent: February 23, 2010
    Assignees: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Tadanori Mayumi, Yasuo Tsutsumi, Shinsaku Nakagawa, Madoka Taniai, Kakuji Torigoe, Masashi Kurimoto
  • Publication number: 20090311218
    Abstract: The present invention has objects to provide a mutant interferon-? protein having a higher anti-viral and anti-tumor activity and to provide an agent for susceptive diseases, which contains the mutant interferon-? protein as an effective ingredient; and solves the above objects by providing a mutant protein which has an amino acid sequence of human interferon-? subtype ?8 represented by any one of SEQ ID NOs:1 to 3, where the arginine residue at the 145th has been replaced with leucine, isoleucine, or valine residue; the alanine residue at the 146th has been replaced with asparagine or serine residue; and the methionine residue at the 149th has been replaced with tyrosine residue; and an agent for susceptive diseases, containing the mutant protein.
    Type: Application
    Filed: November 9, 2005
    Publication date: December 17, 2009
    Applicant: KABUSHIKI KAISHA HAYASHIBARTA SEIBUTSU KAGAKI KAGAKU KEBKYUJO
    Inventors: Tadanori Mayumi, Yasuo Tsutsumi, Shinsaku Nakagawa, Madoka Taniai, Kakuji Torigoe, Masashi Kurimoto
  • Publication number: 20090148943
    Abstract: The present invention has an object to provide a means to effectively enhance the production of cytokines and/or chemokines in mammals. The object is solved by providing an agent for enhancing the production of cytokines and/or chemokines, which comprises, as an effective ingredient, a polypeptide having any one of the amino acid sequences of SEQ ID NOs:1 to 3; a polypeptide having any one of the amino acid sequences of SEQ ID NOs:1 to 3, where one or more amino acids thereof are deleted or replaced with other amino acid(s) and/or one or more amino acids are added thereunto, without substantially losing the biological activity of the polypeptide.
    Type: Application
    Filed: November 5, 2008
    Publication date: June 11, 2009
    Applicant: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Makoto TAKEUCHI, Takanori Okura, Tomoki Tatefuji, Tetsuya Mori, Chikako Arai, Tsunetaka Ohta, Masashi Kurimoto
  • Publication number: 20090075908
    Abstract: The present invention has an object to provide an agent for strengthening calcium-containing tissues, which can be safely applied; and its use: The present invention solves the object by providing an agent for strengthening calcium-containing tissues, which comprises one or more flavones, flavonols, flavanones, flavanonols, anthocyanidins, flavanols, chalcones, and aurones.
    Type: Application
    Filed: September 15, 2008
    Publication date: March 19, 2009
    Applicant: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenky
    Inventors: Masaki Miyake, Shimpei Ushio, Kanso Iwaki, Masashi Kurimoto
  • Patent number: 7405048
    Abstract: A monoclonal antibody which is specific to a polypeptide having a molecular weight of 18,500±3,000 daltons on SDS-PAGE and a pI of 4.9±1.0 on chromatofocusing. The monoclonal antibody is obtainable from hybridomas and can be used for the purification and detection of the polypeptide. The polypeptide strongly induces the IFN-? production by immunocompetent cells with only a small amount, and dose not cause serious side effects even when administered to human in a relatively-high dose.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: July 29, 2008
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Toshio Kunikata, Mutsuko Taniguchi, Keizo Kohno, Masashi Kurimoto
  • Patent number: 7355014
    Abstract: A human IFN-? inducing polypeptide and its nucleotide sequence was isolated, purified and characterized. Pharmaceutical compositions containing this novel INF-? inducing polypeptide or active fragments thereof are formulated and monoclonal antibodies are raised against this polypeptide or antigenic fragments thereof. The polypeptide can be used in a method for treating diseases susceptive to treatment with INF-?, and methods for enhancing the cytotoxicity of NK cells or for inducing the formation of LAK cells, such as to treat tumors and malignant pathologies.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: April 8, 2008
    Assignee: Kabushiki Kaisha Hay Ashibara Seibutsu Kagaku Kenkyujo
    Inventors: Shimpei Ushio, Kakuji Torigoe, Todao Tanimoto, Haruki Okamura, Masashi Kurimoto, Shigeharu Fukuda, Toshio Kunikata, Mutsuko Taniguchi, Keizo Kohno
  • Publication number: 20080064722
    Abstract: The object of the present invention is to provide an agent for promoting IFN-? production, which can be safely applied to living bodies; the present invention solves the problem by providing an agent for promoting IFN-? production, which comprises a tri-heterocyclic polymethine cyanine dye(s), and a method for producing IFN-?, which comprises a step of allowing the agent to act on immunocompetent cells.
    Type: Application
    Filed: October 30, 2007
    Publication date: March 13, 2008
    Applicant: KABUSHIKI KAISHA HAYAHIBARA SEIBUTSU KAGAKU KENKYU
    Inventors: Toshio KUNIKATA, Tatsuya Ishihara, Masashi Kurimoto
  • Patent number: 7230079
    Abstract: It is intended to provide an anti-allergic agent, which efficaciously relieves symptoms accompanying an allergic disease without causing any serious side effect. This object is achieved by providing an anti-allergic agent which contains, as an effective ingredient, proteins collected from royal jelly or purified royal jelly, or royal jelly or purified royal jelly containing the proteins.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: June 12, 2007
    Inventors: Iwao Okamoto, Norie Arai, Keizo Kohno, Masashi Kurimoto, Osamu Sano
  • Publication number: 20070129430
    Abstract: The present invention has an object to provide an agent for enhancing collagen production and use thereof, and solves the object by establishing an agent for enhancing collagen production, which comprises as effective ingredients L-ascorbic acid or its derivative and a fatty acid or its derivative, and use thereof.
    Type: Application
    Filed: October 4, 2003
    Publication date: June 7, 2007
    Inventors: Satomi Miyata, Iwao Okamoto, Shimpei Ushio, Masashi Kurimoto
  • Publication number: 20070110711
    Abstract: The present invention has an object to provide a means to effectively enhance the production of cytokines and/or chemokines in mammals. The object is solved by providing an agent for enhancing the production of cytokines and/or chemokines, which comprises, as an effective ingredient, a polypeptide having any one of the amino acid sequences of SEQ ID NOs:1 to 3; a polypeptide having any one of the amino acid sequences of SEQ ID NOs:1 to 3, where one or more amino acids thereof are deleted or replaced with other amino acid(s) and/or one or more amino acids are added thereunto, without substantially losing the biological activity of the polypeptide.
    Type: Application
    Filed: October 19, 2006
    Publication date: May 17, 2007
    Applicant: KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
    Inventors: Makoto Takeuchi, Takanori Okura, Tomoki Tatefuji, Tetsuya Mori, Chikako Arai, Tsunetaka Ohta, Masashi Kurimoto
  • Patent number: 7189389
    Abstract: The objects of the present invention are to reveal a specific combination of human interferon-? subtypes that remarkably enhances the expression of protein synthesis inhibitory genes, and to provide an expression enhancer comprising as effective ingredients interferon-? subtypes in such a combination and uses thereof. The above objects are solved by providing an expression enhancer for protein synthesis inhibitory genes which comprises as effective ingredients interferon-?2 and interferon-?8 subtypes of human interferon-?, and uses thereof including pharmaceuticals.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: March 13, 2007
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Yoshiaki Yanai, Osamu Sano, Masashi Kurimoto
  • Publication number: 20070031403
    Abstract: A human IFN-? inducing polypeptide and its nucleotide sequence was isolated, purified and characterized. Pharmaceutical compositions containing this novel INF-? inducing polypeptide or active fragments thereof are formulated and monoclonal antibodies are raised against this polypeptide or antigenic fragments thereof. The polypeptide can be used in a method for treating diseases susceptive to treatment with INF-?, and methods for enhancing the cytotoxicity of NK cells or for inducing the formation of LAK cells, such as to treat tumors and malignant pathologies.
    Type: Application
    Filed: October 16, 2006
    Publication date: February 8, 2007
    Inventors: Shimpei Ushio, Kakuji Torigoe, Todao Tanimoto, Haruki Okamura, Masashi Kurimoto, Shigeharu Fukuda, Toshio Kunikata, Mutsuko Taniguchi, Keizo Kohno
  • Patent number: 7141393
    Abstract: Disclosed are a receptor protein which recognize a novel cytokine, i.e., interleukin-18, a monoclonal antibody specific to the protein, and uses thereof. The receptor protein is useful as pharmaceutical to treat and prevent autoimmune and allergic disease because it suppresses and regulates excessive immunoreaction. The monoclonal antibody specifically reacts with interleukin-18, exhibiting efficacy in purification, detection and inhibition of interleukin-18.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: November 28, 2006
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Kakuji Torigoe, Shimpei Ushio, Toshio Kunikata, Masashi Kurimoto
  • Patent number: 7135458
    Abstract: A human IFN-? inducing polypeptide and its nucleotide sequence was isolated, purified and characterized. Pharmaceutical compositions containing this novel IFN-? inducing polypeptide or active fragments thereof are formulated and monoclonal antibodies are raised against this polypeptide or antigenic fragments thereof. The polypeptide can be used in a method for treating diseases susceptive to treatment with IFN-?, and methods for enhancing the cytotoxicity of NK cells or for inducing the formation of LAK cells, such as to treat tumors and malignant pathologies.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: November 14, 2006
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Shimpei Ushio, Kakuji Torigoe, Todao Tanimoto, Haruki Okamura, Masashi Kurimoto, Shigeharu Fukuda, Toshio Kunikata, Mutsuko Taniguchi, Keizo Kohno
  • Publication number: 20060134127
    Abstract: It is intended to provide an anti-allergic agent, which efficaciously relieves symptoms accompanying an allergic disease without causing any serious side effect. This object is achieved by providing an anti-allergic agent which contains, as an effective ingredient, proteins collected from royal jelly or purified royal jelly, or royal jelly or purified royal jelly containing the proteins.
    Type: Application
    Filed: August 26, 2003
    Publication date: June 22, 2006
    Inventors: Iwao Okamoto, Norie Arai, Keizo Kohno, Masashi Kurimoto, Osamu Sano
  • Publication number: 20060110389
    Abstract: Disclosed are artificially produced peptide capable of neutralizing the biological activities of IL-18, which comprises a part or the whole of the variable regions in anti interleukin 18 antibody, including single chain variable region fragments and humanized antibodies, a process of producing the peptide, and uses thereof. The peptide is useful as pharmaceutical to treat and prevent diseases such as autoimmune diseases and inflammatory diseases, where the biological activities of interleukin-18 are involved.
    Type: Application
    Filed: January 20, 2006
    Publication date: May 25, 2006
    Applicant: KABUSHIKI KAISHA HAYASHIBARA SEIBUTSU KAGAKU KENKYUJO
    Inventors: Yoshihiro Nishida, Takanori Okura, Tadao Tanimoto, Masashi Kurimoto