Patents by Inventor Emi Hosaka

Emi Hosaka 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).

  • Antibody composition exhibiting increased cellular cytotoxicity due to glycosylation
    Patent number: 7741442
    Abstract: The present invention relates to a cell for the production of an antibody molecule such as an antibody useful for various diseases having high antibody-dependent cell-mediated cytotoxic activity, a fragment of the antibody and a fusion protein having the Fc region of the antibody or the like, a method for producing an antibody composition using the cell, the antibody composition and use thereof.
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: June 22, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Yutaka Kanda, Mitsuo Satoh, Kazuyasu Nakamura, Kazuhisa Uchida, Toyohide Shinkawa, Naoko Yamane, Emi Hosaka, Kazuya Yamano, Motoo Yamasaki, Nobuo Hanai
  • Antibody composition-producing cell
    Patent number: 7737325
    Abstract: The present invention relates to a cell for the production of an antibody molecule such as an antibody useful for various diseases having high antibody-dependent cell-modulated cytotoxic activity, a fragment of the antibody and a fusion protein having the Fc region of the antibody or the like, a method for producing an antibody composition using the cell, the antibody composition and use thereof.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: June 15, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Yutaka Kanda, Mitsuo Satoh, Kazuyasu Nakamura, Kazuhisa Uchida, Toyohide Shinkawa, Naoko Yamane, Emi Hosaka, Kazuya Yamano, Motoo Yamasaki, Nobuo Hanai
  • Antibody Composition-Producing Cell
    Publication number: 20100143388
    Abstract: The present invention relates to a cell for the production of an antibody molecule such as an antibody useful for various diseases having high antibody-dependent cell-mediated cytotoxic activity, a fragment of the antibody and a fusion protein having the Fc region of the antibody or the like, a method for producing an antibody composition using the cell, the antibody composition and use thereof.
    Type: Application
    Filed: November 30, 2009
    Publication date: June 10, 2010
    Applicant: KYOWA HAKKO KIRIN CO., LTD
    Inventors: YUTAKA KANDA, MITSUO SATOH, KAZUYASU NAKAMURA, KAZUHISA UCHIDA, TOYOHIDE SHINKAWA, NAOKO YAMANE, EMI HOSAKA, KAZUYA YAMANO, MOTOO YAMASAKI, NOBUO HANAI
  • Method of modulating the activity of functional immune molecules to interleukin-5 receptor protein
    Patent number: 7718175
    Abstract: The invention relates to a method for controlling the activity of an immunologically functional molecule, such as an antibody, a protein, a peptide or the like, an agent of promoting the activity of an immunologically functional molecule, and an immunologically functional molecule having the promoted activity.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: May 18, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobuo Hanai, Kazuyasu Nakamura, Emi Hosaka, Motoo Yamasaki, Kazuhisa Uchida, Toyohide Shinkawa, Susumu Imabeppu, Yutaka Kanda, Naoko Yamane, Hideharu Anazawa
  • Method of modulating the activity of functional immune molecules
    Patent number: 7708997
    Abstract: The invention relates to a method for controlling the activity of an immunologically functional molecule, such as an antibody, a protein, a peptide or the like, an agent of promoting the activity of an immunologically functional molecule, and an immunologically functional molecule having the promoted activity.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: May 4, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobuo Hanai, Kazuyasu Nakamura, Emi Hosaka, Motoo Yamasaki, Kazuhisa Uchida, Toyohide Shinkawa, Susumu Imabeppu, Yutaka Kanda, Naoko Yamane, Hideharu Anazawa
  • Methods for producing antibody compositions with increased ADCC
    Patent number: 7708992
    Abstract: The invention relates to methods for modulating the antibody-dependent cellular cytotoxicity of an IgG antibody composition.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: May 4, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobuo Hanai, Kazuyasu Nakamura, Emi Hosaka, Motoo Yamasaki, Kazuhisa Uchida, Toyohide Shinkawa, Susumu Imabeppu, Yutaka Kanda, Naoko Yamane, Hideharu Anazawa
  • Method of modulating the activity of functional immune molecules to Her-2
    Patent number: 7687061
    Abstract: The invention relates to a method for controlling the activity of an immunologically functional molecule, such as an antibody, a protein, a peptide or the like, an agent of promoting the activity of an immunologically functional molecule, and an immunologically functional molecule having the promoted activity.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: March 30, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobuo Hanai, Kazuyasu Nakamura, Emi Hosaka, Motoo Yamasaki, Kazuhisa Uchida, Toyohide Shinkawa, Susumu Imabeppu, Yutaka Kanda, Naoko Yamane, Hideharu Anazawa
  • Method of modulating the activity of functional immune molecules to CXCR4 protein
    Patent number: 7682611
    Abstract: The invention relates to a method for controlling the activity of an immunologically functional molecule, such as an antibody, a protein, a peptide or the like, an agent of promoting the activity of an immunologically functional molecule, and an immunologically functional molecule having the promoted activity.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: March 23, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobuo Hanai, Kazuyasu Nakamura, Emi Hosaka, Motoo Yamasaki, Kazuhisa Uchida, Toyohide Shinkawa, Susumu Imabeppu, Yutaka Kanda, Naoko Yamane, Hideharu Anazawa
  • Method of modulating the activity of functional immune molecules
    Patent number: 7682610
    Abstract: The invention relates to a method for controlling the activity of an immunologically functional molecule, such as an antibody, a protein, a peptide or the like, an agent of promoting the activity of an immunologically functional molecule, and an immunologically functional molecule having the promoted activity.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: March 23, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobuo Hanai, Kazuyasu Nakamura, Emi Hosaka, Motoo Yamasaki, Kazuhisa Uchida, Toyohide Shinkawa, Susumu Imabeppu, Yutaka Kanda, Naoko Yamane, Hideharu Anazawa
  • Method of modulating the activity of functional immune molecules to GM2
    Patent number: 7655228
    Abstract: The invention relates to a method for controlling the activity of an immunologically functional molecule, such as an antibody, a protein, a peptide or the like, an agent of promoting the activity of an immunologically functional molecule, and an immunologically functional molecule having the promoted activity.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: February 2, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobuo Hanai, Kazuyasu Nakamura, Emi Hosaka, Motoo Yamasaki, Kazuhisa Uchida, Toyohide Shinkawa, Susumu Imabeppu, Yutaka Kanda, Naoko Yamane, Hideharu Anazawa
  • Method of modulating the activity of functional immune molecules to CD52
    Patent number: 7651688
    Abstract: The invention relates to a method for controlling the activity of an immunologically functional molecule, such as an antibody, a protein, a peptide or the like, an agent of promoting the activity of an immunologically functional molecule, and an immunologically functional molecule having the promoted activity.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: January 26, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Nobuo Hanai, Kazuyasu Nakamura, Emi Hosaka, Motoo Yamasaki, Kazuhisa Uchida, Toyohide Shinkawa, Susumu Imabeppu, Yutaka Kanda, Naoko Yamane, Hideharu Anazawa
  • Anti-Perp Antibody
    Publication number: 20090258007
    Abstract: The present invention provides an antibody which specifically recognizes three-dimensional structure of an extracellular region of a polypeptide encoded by PERP (p53 apoptosis effector related to PMP-22) gene and binds to the extracellular region. The antibody of the present invention is useful for treatment of various diseases which highly expresses a polypeptide encoded by the PERP gene. Also, a polypeptide encoded by the PERP gene or a cell expressing the polypeptide can be specifically detected by an immunological method using the antibody, so that the antibody is useful for diagnosis of various diseases related to PERP.
    Type: Application
    Filed: June 7, 2005
    Publication date: October 15, 2009
    Applicants: KYOWA HAKKO KOGYO CO., LTD., President National Cancer Center
    Inventors: Atsushi Ochiai, Norihiko Shiraishi, Yoko Kato, Toshio Ota, Susumu Sekine, Kenya Shitara, Akiko Furuya, So Ohta, Emi Hosaka, Yuka Sasaki
  • Antibody Composition-Producing Cell
    Publication number: 20090228994
    Abstract: The present invention relates to a cell for the production of an antibody molecule such as an antibody useful for various diseases having high antibody-dependent cell-mediated cytotoxic activity, a fragment of the antibody and a fusion protein having the Fc region of the antibody or the like, a method for producing an antibody composition using the cell, the antibody composition and use thereof.
    Type: Application
    Filed: March 24, 2009
    Publication date: September 10, 2009
    Applicant: KYOWA HAKKO KOGYO., LTD.
    Inventors: Yutaka KANDA, Mitsuo Satoh, Kazuyasu Nakamura, Kazuhisa Uchida, Toyohide Shinkawa, Naoko Yamane, Emi Hosaka, Kazuya Yamano, Motoo Yamasaki, Nobuo Hanai
  • Human CDR-Grafted Antibody and Antibody Fragment Thereof
    Publication number: 20090227012
    Abstract: A human CDR-grafted antibody or the antibody fragment thereof which specifically reacts with the extracellular region of human CC chemokine receptor 4 (CCR4) but does not react with a human blood platelet; a human CDR-grafted antibody or the antibody fragment thereof which specifically reacts with the extracellular region of CCR4 and has a cytotoxic activity against a CCR4-expressing cell; and a medicament, a therapeutic agent or a diagnostic agent comprising at least one of the antibodies and the antibody fragments thereof as an active ingredient.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 10, 2009
    Applicant: KYOWA HAKKO KOGYO CO., LTD.
    Inventors: Kenya SHITARA, Kazuyasu Nakamura, Emi Hosaka, Akiko Tanaka, Masamichi Koike
  • GLYCOENGINEERED, RECOMBINANT ANTIBODY
    Publication number: 20090191199
    Abstract: The present invention relates to a cell for the production of an antibody molecule such as an antibody useful for various diseases having high antibody-dependent cell-mediated cytotoxic activity, a fragment of the antibody and a fusion protein having the Fc region of the antibody or the like, a method for producing an antibody composition using the cell, the antibody composition and use thereof.
    Type: Application
    Filed: January 9, 2009
    Publication date: July 30, 2009
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Yutaka KANDA, Mitsuo Satoh, Kazuyasu Nakamura, Kazuhisa Uchida, Toyohide Shinkawa, Naoko Yamane, Emi Hosaka, Kazuya Yamano, Motoo Yamasaki, Nobuo Hanai
  • GLYCOENGINEERED, RECOMBINANT ANTIBODY
    Publication number: 20090191592
    Abstract: The present invention relates to a cell for the production of an antibody molecule such as an antibody useful for various diseases having high antibody-dependent cell-mediated cytotoxic activity, a fragment of the antibody and a fusion protein having the Fc region of the antibody or the like, a method for producing an antibody composition using the cell, the antibody composition and use thereof.
    Type: Application
    Filed: January 9, 2009
    Publication date: July 30, 2009
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Yutaka KANDA, Mitsuo Satoh, Kazuyasu Nakamura, Kazuhisa Uchida, Toyohide Shinkawa, Naoko Yamane, Emi Hosaka, Kazuya Yamano, Motoo Yamasaki, Nobuo Hanai
  • Human CDR-grafted antibody and antibody fragment thereof
    Patent number: 7504104
    Abstract: A human CDR-grafted antibody or the antibody fragment thereof which specifically reacts with the extracellular region of human CC chemokine receptor 4 (CCR4) but does not react with a human blood platelet; a human CDR-grafted antibody or the antibody fragment thereof which specifically reacts with the extracellular region of CCR4 and has a cytotoxic activity against a CCR4-expressing cell; and a medicament, a therapeutic agent or a diagnostic agent comprising at least one of the antibodies and the antibody fragments thereof as an active ingredient.
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: March 17, 2009
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Kenya Shitara, Kazuyasu Nakamura, Emi Hosaka, Akiko Tanaka, Masamichi Koike
  • Anti-perp recombinant antibody
    Publication number: 20080267953
    Abstract: An antibody which binds to a polypeptide encoded by human PERP (p53 apoptosis effector related to PMP-22) gene which is considered to be related to incidence of cancer or the like is desired. The present invention provides a gene recombinant antibody which has no consensus sequence of an N-linked sugar chain in a variable region, specifically recognizes three-dimensional structure of an extracellular region of a polypeptide encoded by the PERP gene and binds to the extracellular region. The antibody is useful for treatment of various diseases expressing a polypeptide encoded by the PERP gene.
    Type: Application
    Filed: December 6, 2006
    Publication date: October 30, 2008
    Applicants: KYOWA HAKKO KOGYO CO., LTD., Japan as Represented by President of National Cancer Center
    Inventors: Atsushi Ochiai, Emi Hosaka, Kazuyasu Nakamura, Akiko Furuya, Yuji Ohki
  • Antibody Composition-Producing Cell
    Publication number: 20080261301
    Abstract: The present invention relates to a cell for the production of an antibody molecule such as an antibody useful for various diseases having high antibody-dependent cell-mediated cytotoxic activity, a fragment of the antibody and a fusion protein having the Fc region of the antibody or the like, a method for producing an antibody composition using the cell, the antibody composition and use thereof.
    Type: Application
    Filed: April 1, 2008
    Publication date: October 23, 2008
    Inventors: Yutaka Kanda, Mitsuo Satoh, Kazuyasu Nakamura, Kazuhisa Uchida, Toyohide Shinkawa, Naoko Yamane, Emi Hosaka, Kazuya Yamano, Motoo Yamasaki, Nobuo Hanai
  • Fused Protein Composition
    Publication number: 20080241884
    Abstract: A fusion protein composition of an antibody Fc region which is useful as a medicament in which effector function is improved is desired. The present invention provides a fusion protein composition comprising a fusion protein molecule of an antibody Fc region having complex type N-glycoside-linked sugar chains in the Fc region, wherein the complex type N-glycoside-linked sugar chains have a structure in which fucose is not bound to N-acetylglucosamine in the reducing end in the sugar chains; a transformant producing the fusion protein composition; a process for producing the fusion protein composition; and a medicament comprising the fusion protein composition.
    Type: Application
    Filed: October 8, 2004
    Publication date: October 2, 2008
    Inventors: Kenya Shitara, Emi Hosaka, Akito Natsume, Masako Wakitani, Kazuhisa Uchida, Mitsuo Satoh, Naoko Ohnuki, Kazuyasu Nakamura