Patents by Inventor Kiyoshi Takayama

Kiyoshi Takayama 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: 11649281
    Abstract: It is an object of the present invention to provide an antibody that binds to a human PGE2 receptor subtype EP4 and inhibits the function of EP4, or a functional fragment thereof. It is another object of the present invention to provide a medicament comprising the aforementioned antibody or a functional fragment thereof. Mice were immunized with the human PGE2 receptor subtype EP4, and a monoclonal antibody that suppresses the intracellular cAMP level increase induced by EP4 was screened. In addition, the CDR sequences of the obtained monoclonal antibody were determined.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: May 16, 2023
    Assignee: NB HEALTH LABORATORY CO., LTD.
    Inventors: Kiyoshi Takayama, Tomoko Shimizu, Yuji Urushibata, Yukihiko Sugimoto
  • Publication number: 20220347202
    Abstract: To provide a technique for selecting a target cell producing a target substance that specifically binds to a desired cell membrane protein more rapidly and efficiently. A substrate 1 having a plurality of microwells 2 is provided. A first cell 3 expressing a target cell membrane protein on its surface is allowed to adhere to each of the microwells 2. One or two second cells 5 as a candidate of a target cell are introduced into each microwell 2, and are allowed to coexist with the first cell 3 in the microwell 2, and target substance 6 secreted by the second cell 5 is brought into contact with the first cell 3. A microwell 2 including the first cell 3 to which the target substance 6 binds is identified. The second cell 5 as the target cell is recovered from the identified microwell 2. One example of the target substance 6 is an antibody. Visualization may be performed by adding a label substance 7.
    Type: Application
    Filed: May 11, 2022
    Publication date: November 3, 2022
    Applicant: NB HEALTH LABORATORY CO., LTD.
    Inventors: Masami ASHIDA, Yuji URUSHIBATA, Kiyoshi TAKAYAMA
  • Patent number: 11357787
    Abstract: To provide a technique for selecting a target cell producing a target substance that specifically binds to a desired cell membrane protein more rapidly and efficiently. A substrate 1 having a plurality of microwells 2 is provided. A first cell 3 expressing a target cell membrane protein on its surface is allowed to adhere to each of the microwells 2. One or two second cells 5 as a candidate of a target cell are introduced into each microwell 2, and are allowed to coexist with the first cell 3 in the microwell 2, and target substance 6 secreted by the second cell 5 is brought into contact with the first cell 3. A microwell 2 including the first cell 3 to which the target substance 6 binds is identified. The second cell 5 as the target cell is recovered from the identified microwell 2. One example of the target substance 6 is an antibody. Visualization may be performed by adding a label substance 7.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: June 14, 2022
    Assignee: NB HEALTH LABORATORY CO., LTD.
    Inventors: Masami Ashida, Yuji Urushibata, Kiyoshi Takayama
  • Publication number: 20220040216
    Abstract: To provide a technique for selecting a target cell producing a target substance that specifically binds to a desired cell membrane protein more rapidly and efficiently. A substrate 1 having a plurality of microwells 2 is provided. A first cell 3 expressing a target cell membrane protein on its surface is allowed to adhere to each of the microwells 2. One or two second cells 5 as a candidate of a target cell are introduced into each microwell 2, and are allowed to coexist with the first cell 3 in the microwell 2, and target substance 6 secreted by the second cell 5 is brought into contact with the first cell 3. A microwell 2 including the first cell 3 to which the target substance 6 binds is identified. The second cell 5 as the target cell is recovered from the identified microwell 2. One example of the target substance 6 is an antibody. Visualization may be performed by adding a label substance 7.
    Type: Application
    Filed: February 17, 2020
    Publication date: February 10, 2022
    Applicant: NB HEALTH LABORATORY CO., LTD.
    Inventors: Masami ASHIDA, Yuji URUSHIBATA, Kiyoshi TAKAYAMA
  • Publication number: 20190389949
    Abstract: It is an object of the present invention to provide an antibody that binds to a human PGE2 receptor subtype EP4 and inhibits the function of EP4, or a functional fragment thereof. It is another object of the present invention to provide a medicament comprising the aforementioned antibody or a functional fragment thereof. Mice were immunized with the human PGE2 receptor subtype EP4, and a monoclonal antibody that suppresses the intracellular cAMP level increase induced by EP4 was screened. In addition, the CDR sequences of the obtained monoclonal antibody were determined.
    Type: Application
    Filed: August 29, 2019
    Publication date: December 26, 2019
    Applicant: NB Health Laboratory Co., Ltd.
    Inventors: Kiyoshi Takayama, Tomoko Shimizu, Yuji Urushibata, Yukihiko Sugimoto
  • Patent number: 10435465
    Abstract: It is an object of the present invention to provide an antibody that binds to a human PGE2 receptor subtype EP4 and inhibits the function of EP4, or a functional fragment thereof. It is another object of the present invention to provide a medicament comprising the aforementioned antibody or a functional fragment thereof. Mice were immunized with the human PGE2 receptor subtype EP4, and a monoclonal antibody that suppresses the intracellular cAMP level increase induced by EP4 was screened. In addition, the CDR sequences of the obtained monoclonal antibody were determined.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: October 8, 2019
    Assignee: NB HEALTH LABORATORY CO. LTD.
    Inventors: Kiyoshi Takayama, Tomoko Shimizu, Yuji Urushibata, Yukihiko Sugimoto
  • Patent number: 9505844
    Abstract: An anti-human-CC-motif-receptor-7 (anti-human-CCR7) antibody which is useful as a therapeutic agent for tissue fibrosis or cancer, and a pharmaceutical composition containing the anti-human CCR7 antibody, and the like is described. An anti-human CCR7 antibody specifically binding to an extracellular domain of human CCR7, having a heavy chain CDR3 containing an amino acid sequence represented by SEQ ID NO: 7, SEQ ID NO: 17, SEQ ID NO: 27, SEQ ID NO: 37, SEQ ID NO: 47, SEQ ID NO: 57, SEQ ID NO: 67, or SEQ ID NO: 77 is provided. Also provided is an anti-human CCR7 antibody having heavy chain CDRs 1-3 and light chain CDRs 1-3 containing amino acid sequences represented by SEQ ID NOs: 5-10, 15-20, 25-30, 35-40, 45-50, 55-60, 65-70, or 75-80. The anti-human CCR7 antibody of the present invention may be used as an active ingredient of a therapeutic agent for tissue fibrosis or cancer.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: November 29, 2016
    Assignees: SEKISUI CHEMICAL CO., LTD., NB HEALTH LABORATORY CO., LTD.
    Inventors: Naoki Nishiguchi, Akiyoshi Hirayama, Masahiro Furutani, Tatsuo Shimizu, Kiyoshi Takayama, Tomoko Shimizu, Kazuya Suzuki
  • Publication number: 20160075780
    Abstract: It is an object of the present invention to provide an antibody that binds to a human PGE2 receptor subtype EP4 and inhibits the function of EP4, or a functional fragment thereof. It is another object of the present invention to provide a medicament comprising the aforementioned antibody or a functional fragment thereof. Mice were immunized with the human PGE2 receptor subtype EP4, and a monoclonal antibody that suppresses the intracellular cAMP level increase induced by EP4 was screened. In addition, the CDR sequences of the obtained monoclonal antibody were determined.
    Type: Application
    Filed: September 24, 2015
    Publication date: March 17, 2016
    Applicant: NB HEALTH LABORATORY CO., LTD.
    Inventors: Kiyoshi Takayama, Tomoko Shimizu, Yuji Urushibata, Yukihiko Sugimoto
  • Patent number: 9175080
    Abstract: It is an object of the present invention to provide an antibody that binds to a human PGE2 receptor subtype EP4 and inhibits the function of EP4, or a functional fragment thereof. It is another object of the present invention to provide a medicament comprising the aforementioned antibody or a functional fragment thereof. Mice were immunized with the human PGE2 receptor subtype EP4, and a monoclonal antibody that suppresses the intracellular cAMP level increase induced by EP4 was screened. In addition, the CDR sequences of the obtained monoclonal antibody were determined.
    Type: Grant
    Filed: September 28, 2011
    Date of Patent: November 3, 2015
    Assignee: NB HEALTH LABORATORY CO., LTD.
    Inventors: Kiyoshi Takayama, Tomoko Shimizu, Yuji Urushibata, Yukihiko Sugimoto
  • Patent number: 9018238
    Abstract: There is provided an inhibitor that inhibits casein kinase 1? and casein kinase 1?, and thus, there is also provided a pharmaceutical agent useful for the treatment and/or prevention of a disease, with the pathological condition of which the mechanism of activation of casein kinase 1? or casein kinase 1? is associated. Particularly, the above-described inhibitor is used to provide a pharmaceutical agent useful for the treatment of circadian rhythm disorder (including sleep disorder), central neurodegenerative disease, and cancer.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: April 28, 2015
    Assignees: Pharmadesign, Inc., NB Health Laboratory Co., Ltd.
    Inventors: Masako Okamoto, Kiyoshi Takayama
  • Publication number: 20150017167
    Abstract: An object of the present invention is to provide a novel anti-human CCR7 antibody useful as a therapeutic agent for tissue fibrosis or cancer, and a pharmaceutical composition containing the anti-human CCR7 antibody, and the like. An anti-human CCR7 antibody specifically binding to an extracellular domain of human CCR7, having a heavy chain CDR3 containing an amino acid sequence represented by SEQ ID NO: 7, SEQ ID NO: 17, SEQ ID NO: 27, SEQ ID NO: 37, SEQ ID NO: 47, SEQ ID NO: 57, SEQ ID NO: 67, or SEQ ID NO: 77 is provided. Also provided is an anti-human CCR7 antibody having heavy chain CDRs 1-3 and light chain CDRs 1-3 containing amino acid sequences represented by SEQ ID NOs: 5-10, 15-20, 25-30, 35-40, 45-50, 55-60, 65-70, or 75-80. Preferably, the antibody has an activity of interfering with a CCR7-dependent intracellular signal transduction mechanism caused by CCR7 ligand stimulation.
    Type: Application
    Filed: September 18, 2014
    Publication date: January 15, 2015
    Inventors: Naoki NISHIGUCHI, Akiyoshi HIRAYAMA, Masahiro FURUTANI, Tatsuo SHIMIZU, Kiyoshi TAKAYAMA, Tomoko SHIMIZU, Kazuya SUZUKI
  • Publication number: 20150010998
    Abstract: An object of the present invention is to provide a novel anti-human CCR7 antibody useful as a therapeutic agent for tissue fibrosis or cancer, and a pharmaceutical composition containing the anti-human CCR7 antibody, and the like. An anti-human CCR7 antibody specifically binding to an extracellular domain of human CCR7, having a heavy chain CDR3 containing an amino acid sequence represented by SEQ ID NO: 7, SEQ ID NO: 17, SEQ ID NO: 27, SEQ ID NO: 37, SEQ ID NO: 47, SEQ ID NO: 57, SEQ ID NO: 67, or SEQ ID NO: 77 is provided. Also provided is an anti-human CCR7 antibody having heavy chain CDRs 1-3 and light chain CDRs 1-3 containing amino acid sequences represented by SEQ ID NOs: 5-10, 15-20, 25-30, 35-40, 45-50, 55-60, 65-70, or 75-80. Preferably, the antibody has an activity of interfering with a CCR7-dependent intracellular signal transduction mechanism caused by CCR7 ligand stimulation.
    Type: Application
    Filed: September 18, 2014
    Publication date: January 8, 2015
    Inventors: Naoki NISHIGUCHI, Akiyoshi HIRAYAMA, Masahiro FURUTANI, Tatsuo SHIMIZU, Kiyoshi TAKAYAMA, Tomoko SHIMIZU, Kazuya SUZUKI
  • Patent number: 8865170
    Abstract: The present invention is novel anti-human-CC-motif-receptor-7 (anti-human-CCR7) antibodies useful for treating tissue fibrosis or cancer, and pharmaceutical compositions containing the anti-human-CCR7 antibodies. The invention includes an anti-human-CCR7 antibody specifically binding to an extracellular domain of human CCR7, having a heavy chain CDR3 containing an amino acid sequence represented by SEQ ID NO: 7, SEQ ID NO: 17, SEQ ID NO: 27, SEQ ID NO: 37, SEQ ID NO: 47, SEQ ID NO: 57, SEQ ID NO: 67, or SEQ ID NO: 77. The invention also includes an anti-human-CCR7 antibody having heavy chain CDRs 1-3 and light chain CDRs 1-3 containing amino acid sequences represented by SEQ ID NOs: 5-10, 15-20, 25-30, 35-40, 45-50, 55-60, 65-70, or 75-80. Preferably, the antibody has an activity of interfering with a CCR7-dependent intracellular signal transduction mechanism caused by CCR7 ligand stimulation.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: October 21, 2014
    Assignees: Sekisui Chemical Co., Ltd., NE Health Laboratory Co., Ltd.
    Inventors: Naoki Nishiguchi, Akiyoshi Hirayama, Masahiro Furutani, Tatsuo Shimizu, Kiyoshi Takayama, Tomoko Shimizu, Kazuya Suzuki
  • Patent number: 8710231
    Abstract: There is provided a novel oxazolone derivative having inhibitory activity against casein kinase 1? and casein kinase 1?. In addition, the present inhibitor inhibits casein kinase 1? and casein kinase 1?, and thus there is also provided a pharmaceutical agent useful for the treatment and/or prevention of diseases, with the pathological conditions of which the activation mechanism of casein kinase 1? or casein kinase 1? is associated. There is further provided a pharmaceutical agent useful for the treatment of, particularly, circadian rhythm disorder (including sleep disorder), central neurodegenerative disease, and cancer. An inhibitor of casein kinase 1? and casein kinase 1? comprising, as an active ingredient, an oxazolone derivative represented by the following general formula (1), a salt thereof, a solvate thereof, or a hydrate thereof: wherein X represents a halogen atom which is fluorine, chlorine, bromine or iodine.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: April 29, 2014
    Assignees: Pharmadesign, Inc., NB Health Laboratory Co., Ltd.
    Inventors: Masako Okamoto, Kiyoshi Takayama
  • Publication number: 20130195869
    Abstract: An object of the present invention is to provide a novel anti-human CCR7 antibody useful as a therapeutic agent for tissue fibrosis or cancer, and a pharmaceutical composition containing the anti-human CCR7 antibody, and the like. An anti-human CCR7 antibody specifically binding to an extracellular domain of human CCR7, having a heavy chain CDR3 containing an amino acid sequence represented by SEQ ID NO: 7, SEQ ID NO: 17, SEQ ID NO: 27, SEQ ID NO: 37, SEQ ID NO: 47, SEQ ID NO: 57, SEQ ID NO: 67, or SEQ ID NO: 77 is provided. Also provided is an anti-human CCR7 antibody having heavy chain CDRs 1-3 and light chain CDRs 1-3 containing amino acid sequences represented by SEQ ID NOs: 5-10, 15-20, 25-30, 35-40, 45-50, 55-60, 65-70, or 75-80. Preferably, the antibody has an activity of interfering with a CCR7-dependent intracellular signal transduction mechanism caused by CCR7 ligand stimulation.
    Type: Application
    Filed: September 27, 2011
    Publication date: August 1, 2013
    Applicants: NB Health Laboratory Co., Ltd, Sekisui Chemical Co., Ltd.
    Inventors: Naoki Nishiguchi, Akiyoshi Hirayama, Masahiro Furutani, Tatsuo Shimizu, Kiyoshi Takayama, Tomoko Shimizu, Kazuya Suzuki
  • Publication number: 20130197199
    Abstract: It is an object of the present invention to provide an antibody that binds to a human PGE2 receptor subtype EP4 and inhibits the function of EP4, or a functional fragment thereof. It is another object of the present invention to provide a medicament comprising the aforementioned antibody or a functional fragment thereof. Mice were immunized with the human PGE2 receptor subtype EP4, and a monoclonal antibody that suppresses the intracellular cAMP level increase induced by EP4 was screened. In addition, the CDR sequences of the obtained monoclonal antibody were determined.
    Type: Application
    Filed: September 28, 2011
    Publication date: August 1, 2013
    Applicants: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, NB HEALTH LABORATORY CO., LTD.
    Inventors: Kiyoshi Takayama, Tomoko Shimizu, Yuji Urushibata, Yukihiko Sugimoto
  • Publication number: 20130137730
    Abstract: There is provided a novel oxazolone derivative having inhibitory activity against casein kinase 1? and casein kinase 1?. In addition, the present inhibitor inhibits casein kinase 1? and casein kinase 1?, and thus there is also provided a pharmaceutical agent useful for the treatment and/or prevention of diseases, with the pathological conditions of which the activation mechanism of casein kinase 1? or casein kinase 1? is associated. There is further provided a pharmaceutical agent useful for the treatment of particularly, circadian rhythm disorder (including sleep disorder), central neurodegenerative disease, and cancer. An inhibitor of casein kinase 1? and casein kinase 1? comprising, as an act ingredient, an oxazolone derivative represented by the following general formula (1), a salt thereof, a solvate thereof, or a hydrate thereof: wherein X represents a halogen atom (which may be any one of a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom).
    Type: Application
    Filed: August 8, 2011
    Publication date: May 30, 2013
    Applicants: NB HEALTH LABORATORY CO., LTD., PHARMADESIGN, INC.
    Inventors: Masako Okamoto, Kiyoshi Takayama
  • Publication number: 20120196282
    Abstract: A method of regenerating an elastic fiber according in the present invention is characterized in that the method comprises bringing an elastic fiber regenerating agent containing LTBP-4 into contact with a cell having the fiber regenerating ability. Preferably, the elastic fiber regenerating agent further contains DANCE and/or LTBP-4 expression potentiating factor. According to the present invention, the elastic fiber regenerating ability is further enhanced than so far.
    Type: Application
    Filed: January 28, 2011
    Publication date: August 2, 2012
    Inventors: Tomoyuki NAKAMURA, Kyoko Takagi, Kiyoshi Takayama
  • Patent number: 8124744
    Abstract: Compounds represented by formula (I) and the formula (IV) have an inhibitory activity of MMP-9 production, therefore, are useful as a medicine agent with fewer side effects than conventional MMP enzyme activity inhibitors, as a prophylactic and therapeutic drug for oncogenic angiogenesis, chronic rheumatoid arthritis, vascular intimal thickening after a percutaneous coronary transluminal angioplasty, vascular atherosclerosis, hemorrhagic apoplexy, acute myocardial infarction, chronic heart failure, aneurysm, lung cancer metastasis, adult respiratory distress syndrome, asthma, interstitial pulmonary fibrosis, chronic rhinosinusitis, bronchitis or chronic obstructive pulmonary disease (COPD).
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: February 28, 2012
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Masato Kashimura, Madoka Kawamura, Toshifumi Asaka, Kiyoshi Takayama, Haruhisa Ogita
  • Publication number: 20110294857
    Abstract: There is provided an inhibitor that inhibits casein kinase 1? and casein kinase 1?, and thus, there is also provided a pharmaceutical agent useful for the treatment and/or prevention of a disease, with the pathological condition of which the mechanism of activation of casein kinase 1? or casein kinase 1? is associated. Particularly, the above-described inhibitor is used to provide a pharmaceutical agent useful for the treatment of circadian rhythm disorder (including sleep disorder), central neurodegenerative disease, and cancer.
    Type: Application
    Filed: December 28, 2009
    Publication date: December 1, 2011
    Applicants: NB HEALTH LABORATORY CO. LTD., PHARMADESIGN, INC.
    Inventors: Masako Okamoto, Kiyoshi Takayama