Patents by Inventor Masabumi Shibuya

Masabumi Shibuya 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: 9969699
    Abstract: A cancer cell proliferation inhibitor including at least one selected from compounds represented by Structural Formulae (1) to (8), wherein the cancer cell is at least one of a cancer cell overexpressing a wild-type epidermal growth factor receptor and a cancer cell expressing an epidermal growth factor receptor mutant vIII.
    Type: Grant
    Filed: September 7, 2015
    Date of Patent: May 15, 2018
    Assignees: Microbial Chemistry Research Foundation, GAKUBUNKAN
    Inventors: Sonoko Atsumi, Masabumi Shibuya, Shun-ichi Ohba, Tomoyuki Kimura, Yoshihiko Kobayashi, Hayamitsu Adachi, Chisato Nosaka, Akio Nomoto
  • Publication number: 20170291879
    Abstract: A cancer cell proliferation inhibitor including at least one selected from compounds represented by Structural Formulae (1) to (8), wherein the cancer cell is at least one of a cancer cell overexpressing a wild-type epidermal growth factor receptor and a cancer cell expressing an epidermal growth factor receptor mutant vIII.
    Type: Application
    Filed: September 7, 2015
    Publication date: October 12, 2017
    Inventors: Sonoko Atsumi, Masabumi Shibuya, Shun-ichi Ohba, Tomoyuki Kimura, Yoshihiko Kobayashi, Hayamitsu Adachi, Chisato Nosaka, Akio Nomoto
  • Publication number: 20140186381
    Abstract: The present invention provides immunogenic peptides comprising the amino acid sequence of SEQ ID NO: 1, 2, 13, 32, and peptides comprising the above-mentioned amino acid sequences in which 1, 2, or several amino acids are substituted or added, and having cytotoxic T cell inducibility, and also provides drugs for treating or preventing tumors comprising these peptides. The peptides of this invention can be used as vaccines.
    Type: Application
    Filed: January 21, 2014
    Publication date: July 3, 2014
    Applicant: Oncotherapy Science, Inc.
    Inventors: Hideaki Tahara, Takuya Tsunoda, Masabumi Shibuya, Shuichi Nakatsuru
  • Patent number: 8663647
    Abstract: The present invention provides immunogenic peptides comprising the amino acid sequence of SEQ ID NO: 1, 2, 13, 32, and peptides comprising the above-mentioned amino acid sequences in which 1, 2, or several amino acids are substituted or added, and having cytotoxic T cell inducibility, and also provides drugs for treating or preventing tumors comprising these peptides. The peptides of this invention can be used as vaccines.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: March 4, 2014
    Assignee: Oncotherapy Science, Inc.
    Inventors: Hideaki Tahara, Takuya Tsunoda, Masabumi Shibuya, Shuichi Nakatsuru
  • Publication number: 20120294877
    Abstract: The present invention provides immunogenic peptides comprising the amino acid sequence of SEQ ID NO: 1, 2, 13, 32, and peptides comprising the above-mentioned amino acid sequences in which 1, 2, or several amino acids are substituted or added, and having cytotoxic T cell inducibility, and also provides drugs for treating or preventing tumors comprising these peptides. The peptides of this invention can be used as vaccines.
    Type: Application
    Filed: August 3, 2012
    Publication date: November 22, 2012
    Applicant: Oncotherapy Science, Inc.
    Inventors: Hideaki Tahara, Takuya Tsunoda, Masabumi Shibuya, Shuichi Nakatsuru
  • Patent number: 8257711
    Abstract: The present invention provides immunogenic peptides comprising the amino acid sequence of SEQ ID NO: 1, 2, 13, 32, and peptides comprising the above-mentioned amino acid sequences in which 1, 2, or several amino acids are substituted or added, and having cytotoxic T cell inducibility, and also provides drugs for treating or preventing tumors comprising these peptides. The peptides of this invention can be used as vaccines.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: September 4, 2012
    Assignee: Oncotherapy Science, Inc.
    Inventors: Hideaki Tahara, Takuya Tsunoda, Masabumi Shibuya, Shuichi Nakatsuru
  • Publication number: 20110250219
    Abstract: The present invention provides immunogenic peptides comprising the amino acid sequence of SEQ ID NO: 1, 2, 13, 32, and peptides comprising the above-mentioned amino acid sequences in which 1, 2, or several amino acids are substituted or added, and having cytotoxic T cell inducibility, and also provides drugs for treating or preventing tumors comprising these peptides. The peptides of this invention can be used as vaccines.
    Type: Application
    Filed: March 3, 2011
    Publication date: October 13, 2011
    Applicant: Oncotherapy Science, Inc.
    Inventors: Hideaki Tahara, Takuya Tsunoda, Masabumi Shibuya, Shuichi Nakatsuru
  • Patent number: 7919099
    Abstract: The present invention provides immunogenic peptides comprising the amino acid sequence of SEQ ID NO: 1, 2, 13, 32, and peptides comprising the above-mentioned amino acid sequences in which 1, 2, or several amino acids are substituted or added, and having cytotoxic T cell inducibility, and also provides drugs for treating or preventing tumors comprising these peptides. The peptides of this invention can be used as vaccines.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: April 5, 2011
    Assignee: Oncotherapy Science, Inc.
    Inventors: Hideaki Tahara, Takuya Tsunoda, Masabumi Shibuya, Shuichi Nakatsuru
  • Patent number: 7615215
    Abstract: The present invention provides an antibody or peptide which immunologically reacts with human VEGF receptor Flt-1 and cells in which human VEGF receptor Flt-1 is expressed on the cell surface and an antibody or peptide which inhibits binding of human VEGF to human VEGF receptor Flt-1. It also provides a means for the diagnosis or treatment of diseases in which their morbid states progress by abnormal angiogenesis, such as proliferation or metastasis of solid tumors, arthritis in rheumatoid arthritis, diabetic retinopathy, retinopathy of prematurity, psoriasis, and the like.
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: November 10, 2009
    Assignee: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Kenya Shitara, Mikito Ito, Nobuo Hanai, Yoko Kawada, Kazuyasu Nakamura, Masabumi Shibuya
  • Patent number: 7615214
    Abstract: The present invention provides an antibody or peptide which immunologically reacts with human VEGF receptor Flt-1 and cells in which human VEGF receptor Flt-1 is expressed on the cell surface and an antibody or peptide which inhibits binding of human VEGF to human VEGF receptor Flt-1. It also provides a means for the diagnosis or treatment of diseases in which their morbid states progress by abnormal angiogenesis, such as proliferation or metastasis of solid tumors, arthritis in rheumatoid arthritis, diabetic retinopathy, retinopathy of prematurity, psoriasis, and the like.
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: November 10, 2009
    Assignee: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Kenya Shitara, Mikito Ito, Nobuo Hanai, Yoko Kawada, Kazuyasu Nakamura, Masabumi Shibuya
  • Publication number: 20090214581
    Abstract: The present invention provides immunogenic peptides comprising the amino acid sequence of SEQ ID NO: 1, 2, 13, 32, and peptides comprising the above-mentioned amino acid sequences in which 1, 2, or several amino acids are substituted or added, and having cytotoxic T cell inducibility, and also provides drugs for treating or preventing tumors comprising these peptides. The peptides of this invention can be used as vaccines.
    Type: Application
    Filed: February 17, 2006
    Publication date: August 27, 2009
    Applicant: Oncotherapy Science, Inc.
    Inventors: Hideaki Tahara, Takuya Tsunoda, Masabumi Shibuya, Shuichi Nakatsuru
  • Publication number: 20080319174
    Abstract: An object of the present invention is to provide a chimera VEGF-E having a reduced antigenicity while maintaining the activity of VEGF-E. The present invention provides a chimera protein having an activity of growing vascular endothelial cells, which is obtained by substituting a part of the sequence of a VEGF analogous protein having an activity of vascularization that binds to KDR (VEGF receptor-2) but does not bind to Flt-1 (VEGF, receptor-1) with a corresponding sequence of a human-derived VEGF analogous protein.
    Type: Application
    Filed: June 19, 2008
    Publication date: December 25, 2008
    Inventor: Masabumi SHIBUYA
  • Publication number: 20080319178
    Abstract: An object of the present invention is to provide a chimera VEGF-E having a reduced antigenicity while maintaining the activity of VEGF-E. The present invention provides a chimera protein having an activity of growing vascular endothelial cells, which is obtained by substituting a part of the sequence of a VEGF analogous protein having an activity of vascularization that binds to KDR (VEGF rector-2) but does not bind to Flt-1 (VEGF receptor-1) with a corresponding sequence of a human-derived VEGF analogous protein.
    Type: Application
    Filed: June 19, 2008
    Publication date: December 25, 2008
    Inventor: Masabumi SHIBUYA
  • Publication number: 20080187529
    Abstract: The present invention provides an antibody or peptide which immunologically reacts with human VEGF receptor Flt-1 and cells in which human VEGF receptor Flt-1 is expressed on the cell surface and an antibody or peptide which inhibits binding of human VEGF to human VEGF receptor Flt-1. It also provides a means for the diagnosis or treatment of diseases in which their morbid states progress by abnormal angiogenesis, such as proliferation or metastasis of solid tumors, arthritis A in rheumatoid arthritis, diabetic retinopathy, retinopathy of prematurity, psoriasis, and the like.
    Type: Application
    Filed: March 21, 2006
    Publication date: August 7, 2008
    Applicant: KYOWA HAKKO KOGYO CO., LTD.
    Inventors: Kenya Shitara, Mikito Ito, Nobuo Hanai, Yoko Kawada, Kazuyasu Nakamura, Masabumi shibuya
  • Patent number: 7405278
    Abstract: An object of the present invention is to provide a chimera VEGF-E having a reduced antigenicity while maintaining the activity of VEGF-E. The present invention provides a chimera protein having an activity of growing vascular endothelial cells, which is obtained by substituting a part of the sequence of a VEGF analogous protein having an activity of vascularization that binds to KDR (VEGF receptor-2) but does not bind to Flt-1 (VEGF receptor-1) with a corresponding sequence of a human-derived VEGF analogous protein.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: July 29, 2008
    Inventor: Masabumi Shibuya
  • Patent number: 7052693
    Abstract: The present invention provides an antibody or peptide which immunologically reacts with human VEGF receptor Flt-1 and cells in which human VEGF receptor Flt-1 is expressed on the cell surface and an antibody or peptide which inhibits binding of human VEGF to human VEGF receptor Flt-1. It also provides a means for the diagnosis or treatment of diseases in which their morbid states progress by abnormal angiogenesis, such as proliferation or metastasis of solid tumors, arthritis in rheumatoid arthritis, diabetic retinopathy, retinopathy of prematurity, psoriasis, and the like.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: May 30, 2006
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Kenya Shitara, Mikito Ito, Nobuo Hanai, Yoko Kawada, Kazuyasu Nakamura, Masabumi Shibuya
  • Publication number: 20060034838
    Abstract: The present invention provides an antibody or peptide which immunologically reacts with human VEGF receptor Flt-1 and cells in which human VEGF receptor Flt-1 is expressed on the cell surface and an antibody or peptide which inhibits binding of human VEGF to human VEGF receptor Flt-1. It also provides a means for the diagnosis or treatment of diseases in which their morbid states progress by abnormal angiogenesis, such as proliferation or metastasis of solid tumors, arthritis in rheumatoid arthritis, diabetic retinopathy, retinopathy of prematurity, psoriasis, and the like.
    Type: Application
    Filed: October 17, 2005
    Publication date: February 16, 2006
    Applicant: KYOWA HAKKO KOGYO CO., LTD.
    Inventors: Kenya Shitara, Mikito Ito, Nobuo Hanai, Yoko Kawada, Kazuyasu Nakamura, Masabumi Shibuya
  • Patent number: 6986890
    Abstract: The present invention provides an antibody or peptide which immunologically reacts with human VEGF receptor Flt-1 and cells in which human VEGF receptor Flt-1 is expressed on the cell surface and an antibody or peptide which inhibits binding of human VEGF to human VEGF receptor Flt-1. It also provides a means for the diagnosis or treatment of diseases in which their morbid states progress by abnormal angiogenesis, such as proliferation or metastasis of solid tumors, arthritis in rheumatoid arthritis, diabetic retinopathy, retinopathy of prematurity, psoriasis, and the like.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: January 17, 2006
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Kenya Shitara, Mikito Ito, Nobuo Hanai, Yoko Kawada, Kazuyasu Nakamura, Masabumi Shibuya
  • Publication number: 20050222423
    Abstract: The following compounds useful as VEGF receptor antagonists and having excellent physical properties are provided. A carboxylic acid derivative represented by formula: wherein ring A represents a benzene ring, a naphthalene ring, or the like; W represents a C1-5 alkylene group; Z represents a single bond or a phenylene group; R1 and R2 are the same or different and each represents a hydrogen atom, a halogen atom, a C1-5 alkyl group or a C1-10 alkoxy group; R3 represents a hydrogen atom, a halogen atom, a C1-12 alkyl group, a C2-5 alkynyl group, a trifluoromethyl group, an acetylenyl group, a cyano group, a nitro group, —CH2—R6, —Y—R11, or the like; R4 represents a group represented by formula: and R5 represents a hydrogen atom or a C1-5 alkyl group, or a pharmaceutical acceptable salt of the derivative.
    Type: Application
    Filed: December 26, 2002
    Publication date: October 6, 2005
    Applicant: TAISHO PHARMECEUTICAL CO., LTD.
    Inventors: Shuji Saito, Yoichiro Suga, Masakazu Sato, Masabumi Shibuya
  • Publication number: 20050004003
    Abstract: The present invention provides a substance which inhibits binding of a signal transduction molecule to 1175-tyrosine phosphorylated KDR/Flk-1 and inhibits cell growth by VEGF. Also, the present invention provides a method for inhibiting KDR/Flk-1 signal transduction, a method for inhibiting cell growth, a method for inhibiting angiogenesis, a method for screening a cell growth inhibitor, a method for screening an angiogenesis inhibitor, a method for screening a substance which inhibits KDR/Flk-1 signal transduction, a method for determining whether or not a tested substance can inhibit KDR/Flk-1 signal transduction, a method for detecting angiogenesis in tissue and a method for screening a substance which inhibits 1175-tyrosine phosphorylated KDR/Flk-1, in which each method comprises using the substance.
    Type: Application
    Filed: January 26, 2004
    Publication date: January 6, 2005
    Applicants: KYOWA HAKKO KOGYO CO., LTD, Masabumi SHIBUYA
    Inventors: Masabumi Shibuya, Tomoko Takahashi, Akiko Furuya, Kenya Shitara