Patents by Inventor Toshihiko Ishii

Toshihiko Ishii 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: 20220088011
    Abstract: The present invention provides a method for treating a tumor comprising administering an effective amount of an antibody which specifically binds to human CC chemokine receptor 4, human epidermal growth factor receptor 2, human CD20, or epidermal growth factor receptor, and an indoleamine 2,3-dioxygenase inhibitor to a human in need thereof, and the like.
    Type: Application
    Filed: November 5, 2021
    Publication date: March 24, 2022
    Applicant: KYOWA KIRIN CO., LTD.
    Inventors: Akihiro TOKUNAGA, Toshihiko ISHII, Motoya MIE, Munetoshi ANDO
  • Publication number: 20180271861
    Abstract: The present invention provides a method for treating a tumor comprising administering an effective amount of an antibody which specifically binds to human CC chemokine receptor 4, human epidermal growth factor receptor 2, human CD20, or epidermal growth factor receptor, and an indoleamine 2,3-dioxygenase inhibitor to a human in need thereof, and the like.
    Type: Application
    Filed: July 14, 2016
    Publication date: September 27, 2018
    Applicant: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Akihiro TOKUNAGA, Toshihiko ISHII, Motoya MIE, Munetoshi ANDO
  • Patent number: 9913907
    Abstract: The present invention provides a composition for suppressing the expression of a KRAS gene, comprising a lipid particle containing, as a drug, a double-stranded nucleic acid having an antisense strand having a sequence of bases complementary to the sequence of at least 19 continuous bases of any one KRAS gene's mRNA of sequence Nos. 1 to 3; and a cationic lipid represented by the following formula (I): wherein R1 and R2, which are the same or different, are each linear or branched alkyl, alkenyl or alkynyl having a carbon number of from 12 to 24; L1 and L2, which are the same or different, are each —CO—O— or —O—CO—; a and b, which are the same or different, are each 1 to 3; and R3 is a hydrogen atom, alkyl having a carbon number of from 1 to 6, or alkenyl having a carbon number of from 3 to 6, and the like.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: March 13, 2018
    Assignees: KYOWA HAKKO KIRIN CO., LTD., DICERNA PHARMACEUTICALS, INC.
    Inventors: Tomoyuki Naoi, Takeshi Kuboyama, Junichi Enokizono, Toshihiko Ishii, Akihiro Tokunaga, Kentarou Hatanaka
  • Patent number: 9675625
    Abstract: A medicament having a higher therapeutic effect than that provided by administration of a recombinant antibody against human CC chemokine receptor 4 or an antibody fragment thereof or an agent alone is provided.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: June 13, 2017
    Assignee: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Kenya Shitara, Rinpei Niwa, So Ohta, Yuka Sakai, Junji Kanazawa, Toshihiko Ishii, Shiro Akinaga
  • Patent number: 9387248
    Abstract: A pharmaceutical composition, comprising an antibody composition which specifically binds to human CC chemokine receptor 4 (hereinafter also referred to as CCR4) and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament are required. The present invention can provide a pharmaceutical composition comprising a recombinant antibody against CCR4 and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: July 12, 2016
    Assignee: KYOWA HAKKO KIRIN CO., LTD
    Inventors: Toshihiko Ishii, Miyoko Asano
  • Publication number: 20150147321
    Abstract: A pharmaceutical composition, comprising an antibody composition which specifically binds to human CC chemokine receptor 4 (hereinafter also referred to as CCR4) and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament are required. The present invention can provide a pharmaceutical composition comprising a recombinant antibody against CCR4 and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament.
    Type: Application
    Filed: February 4, 2015
    Publication date: May 28, 2015
    Applicant: KYOWA HAKKO KIRIN CO., LTD
    Inventors: Toshihiko ISHII, Miyoko ASANO
  • Patent number: 8980263
    Abstract: A pharmaceutical composition, comprising an antibody composition which specifically binds to human CC chemokine receptor 4 (hereinafter also referred to as CCR4) and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament are required. The present invention can provide a pharmaceutical composition comprising a recombinant antibody against CCR4 and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: March 17, 2015
    Assignee: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Toshihiko Ishii, Miyoko Asano
  • Publication number: 20140044755
    Abstract: The present invention provides a composition for suppressing the expression of a KRAS gene, comprising a lipid particle containing, as a drug, a double-stranded nucleic acid having an antisense strand having a sequence of bases complementary to the sequence of at least 19 continuous bases of any one KRAS gene's mRNA of sequence Nos. 1 to 3; and a cationic lipid represented by the following formula (I): wherein R1 and R2, which are the same or different, are each linear or branched alkyl, alkenyl or alkynyl having a carbon number of from 12 to 24; L1 and L2, which are the same or different, are each —CO—O— or —O—CO—; a and b, which are the same or different, are each 1 to 3; and R3 is a hydrogen atom, alkyl having a carbon number of from 1 to 6, or alkenyl having a carbon number of from 3 to 6, and the like.
    Type: Application
    Filed: July 16, 2013
    Publication date: February 13, 2014
    Applicants: Kyowa Hakko Kirin Co., Ltd., DICERNA PHARMACEUTICALS, INC.
    Inventors: Tomoyuki NAOI, Takeshi KUBOYAMA, Junichi ENOKIZONO, Toshihiko ISHII, Akihiro TOKUNAGA, Kentarou HATANAKA
  • Publication number: 20140039034
    Abstract: The present invention provides a composition that comprises a lipidparticle encapsulating a double-stranded nucleic acid molecule, wherein the antisense strand is a polynucleotide of 17 to 30 bases in which a sequence is complementary to the sequence of the 17 contiguous bases of a target gene's mRNA, the sense strand is a polynucleotide of 17 to 30 bases that contains a base sequence complementary to the base sequence of bases 1 to 17 in the 5?-end to 3?-end direction of the antisense strand, and a particular amount of the sugars binding to certain bases of the antisense strand and the sense strand are deoxyribose, or ribose whose hydroxyl group at the 2? position is substituted by a modifying group, and wherein the lipidparticle contains a lipid bilayer membrane whose constituent component is a lipid conjugate, a fatty acid conjugate or an aliphatic hydrocarbon conjugate of a water-soluble substance.
    Type: Application
    Filed: February 2, 2011
    Publication date: February 6, 2014
    Inventors: Fumikazu Shinohara, Tetsuo Yoshida, Hiroko Sugishita, Tomoyuki Naoi, Toshihiko Ishii, Junichi Enokizono
  • Publication number: 20130295045
    Abstract: A medicament having a higher therapeutic effect than that provided by administration of a recombinant antibody against human CC chemokine receptor 4 or an antibody fragment thereof or an agent alone is provided.
    Type: Application
    Filed: June 17, 2013
    Publication date: November 7, 2013
    Inventors: Kenya SHITARA, Rinpei NIWA, So OHTA, Yuka SASAKI, Junji KANAZAWA, Toshihiko ISHII, Shiro AKINAGA
  • Patent number: 8574574
    Abstract: A pharmaceutical composition, comprising an antibody composition which specifically binds to human CC chemokine receptor 4 (hereinafter also referred to as CCR4) and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament are required. The present invention can provide a pharmaceutical composition comprising a recombinant antibody against CCR4 and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament.
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: November 5, 2013
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Toshihiko Ishii, Miyoko Asano
  • Publication number: 20130287768
    Abstract: A pharmaceutical composition, comprising an antibody composition which specifically binds to human CC chemokine receptor 4 (hereinafter also referred to as CCR4) and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament are required. The present invention can provide a pharmaceutical composition comprising a recombinant antibody against CCR4 and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament.
    Type: Application
    Filed: June 10, 2013
    Publication date: October 31, 2013
    Inventors: Toshihiko ISHII, Miyoko ASANO
  • Patent number: 8491902
    Abstract: A medicament having a higher therapeutic effect than that provided by administration of a recombinant antibody against human CC chemokine receptor 4 or an antibody fragment thereof or an agent alone is provided.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: July 23, 2013
    Assignee: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Kenya Shitara, Rinpei Niwa, So Ohta, Yuka Sasaki, Junji Kanazawa, Toshihiko Ishii, Shiro Akinaga
  • Publication number: 20120244210
    Abstract: The present invention provides a composition that comprises a lipidparticle encapsulating a double-stranded nucleic acid molecule, wherein the antisense strand is a polynucleotide of 17 to 30 bases in which a sequence is complementary to the sequence of the 17 contiguous bases of a target gene's mRNA, the sense strand is a polynucleotide of 17 to 30 bases that contains a base sequence complementary to the base sequence of bases 1 to 17 in the 5?-end to 3?-end direction of the antisense strand, and a particular amount of the sugars binding to certain bases of the antisense strand and the sense strand are deoxyribose, or ribose whose hydroxyl group at the 2? position is substituted by a modifying group, and wherein the lipidparticle contains a lipid bilayer membrane whose constituent component is a lipid conjugate, a fatty acid conjugate or an aliphatic hydrocarbon conjugate of a water-soluble substance.
    Type: Application
    Filed: April 2, 2012
    Publication date: September 27, 2012
    Inventors: Fumikazu SHINOHARA, Tetsuo Yoshida, Hiroko Sugishita, Tomoyuki Naoi, Toshihiko Ishii, Junichi Enokizono
  • Publication number: 20120207818
    Abstract: The present invention provides a composition that comprises a liposome encapsulating a double-stranded nucleic acid molecule, wherein the antisense strand is a polynucleotide of 17 to 30 bases in which a sequence is complementary to the sequence of the 17 contiguous bases of a target gene's mRNA, the sense strand is a polynucleotide of 17 to 30 bases that contains a base sequence complementary to the base sequence of bases 1 to 17 in the 5?-end to 3?-end direction of the antisense strand, and a particular amount of the sugars binding to certain bases of the antisense strand and the sense strand are deoxyribose, or ribose whose hydroxyl group at the 2? position is substituted by a modifying group, and wherein the liposome contains a lipid bilayer membrane whose constituent component is a lipid conjugate, a fatty acid conjugate or an aliphatic hydrocarbon conjugate of a water-soluble substance.
    Type: Application
    Filed: January 12, 2012
    Publication date: August 16, 2012
    Inventors: Fumikazu SHINOHARA, Tetsuo Yoshida, Hiroko Sugishita, Tomoyuki Naoi, Toshihiko Ishii, Junichi Enokizono
  • Publication number: 20110262431
    Abstract: A pharmaceutical composition, comprising an antibody composition which specifically binds to human CC chemokine receptor 4 (hereinafter also referred to as CCR4) and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament are required. The present invention can provide a pharmaceutical composition comprising a recombinant antibody against CCR4 and at least one medicament; and a pharmaceutical composition for administering in combination of a recombinant antibody against CCR4 and at least one medicament.
    Type: Application
    Filed: September 10, 2010
    Publication date: October 27, 2011
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Toshihiko ISHII, Miyoko ASANO
  • Publication number: 20100111947
    Abstract: The present invention provides a pharmaceutical composition which is effective for treating multiple myeloma. The present invention relates to a pharmaceutical composition comprising a combination of an antibody composition which specifically binds to ganglioside GM2 or an antibody fragment thereof and at least one agent.
    Type: Application
    Filed: August 13, 2009
    Publication date: May 6, 2010
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Toshihiko ISHII, Masao ASADA, Yukimasa SHIOTSU
  • Publication number: 20100098690
    Abstract: The present invention provides a pharmaceutical composition comprising a combination of an Hsp 90 family protein inhibitor and at least one compound, the said pharmaceutical composition wherein the Hsp 90 family protein inhibitor is a benozoyl compound represented by formula (I): [wherein n represents an integer of 1 to 5; R1 represents substituted or unsubstituted lower alkyl, CONR7R8 (wherein R7 and R8, which may be the same or different, each represent a hydrogen atom, substituted or unsubstituted lower alkyl, or the like), or the like; R2 represents substituted or unsubstituted aryl, or the like; R3 and R5, which may be the same or different, each represent a hydrogen atom, substituted or unsubstituted lower alkyl, or the like; R4 represents a hydrogen atom, hydroxy or halogen; and R6 represents a hydrogen atom, halogen, substituted or unsubstituted lower alkyl, or the like], or a prodrug thereof; or a pharmaceutically acceptable salt thereof, and the like.
    Type: Application
    Filed: March 5, 2008
    Publication date: April 22, 2010
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Shiro Soga, Toshihiko Ishii, Takayuki Nakashima, Yukimasa Shiotsu, Shiro Akinaga
  • Publication number: 20070172476
    Abstract: The present invention relates to a method for injuring or depleting a B-cell neoplasm cell or a Hodgkin's lymphoma cell and a method for treating B-cell neoplasm or Hodgkin's lymphoma, wherein each method comprises administering to a patient a monoclonal antibody which specifically binds to a human CC chemokine receptor 4 (CCR4) or an antibody fragment thereof.
    Type: Application
    Filed: July 28, 2006
    Publication date: July 26, 2007
    Applicants: Kyowa Hakko Kogyo Co., Ltd., Board of Regents, The University of Texas System
    Inventors: Ryuzo Ueda, Takashi Ishida, Shiro Akinaga, Toshihiko Ishii, Daniel Jones, Richard Ford, Jahan Khalili, Kaushali Patel
  • Publication number: 20070020263
    Abstract: A medicament having a higher therapeutic effect than that provided by administration of a recombinant antibody against human CC chemokine receptor 4 or an antibody fragment thereof or an agent alone is provided.
    Type: Application
    Filed: December 3, 2004
    Publication date: January 25, 2007
    Inventors: Kenya Shitara, Rinpei Niwa, So Ohta, Yuka Sasaki, Junji Kanazawa, Toshihiko Ishii, Shiro Akinaga