Patents by Inventor Atsushi Imaizumi

Atsushi Imaizumi 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: 11986530
    Abstract: Provided is a curcumin pharmaceutical preparation that is highly water soluble, can maintain the concentration of free curcumin in the blood sufficiently high by being administered parenterally, can effectively obtain a pharmacological action of curcumin, and is highly safe. A pharmaceutical composition for parenteral administration, including a water-soluble substance conjugate of curcumin as an active component.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: May 21, 2024
    Assignees: THERABIOPHARMA INC., KYOTO UNIVERSITY
    Inventors: Hideaki Kakeya, Masashi Kanai, Nobuaki Takahashi, Tadashi Hashimoto, Atsushi Imaizumi, Hitomi Ozawa
  • Patent number: 11911348
    Abstract: To provide a therapeutic agent for cancer having a higher therapeutic effect. A therapeutic agent for cancer, containing: at least one selected from the group consisting of curcumin and a derivative thereof; and at least one selected from the group consisting of an anti-PD-1 antibody, an anti-PD-L1 antibody, and an anti-PD-L2 antibody in combination.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: February 27, 2024
    Assignee: THERAVALUES CORPORATION
    Inventors: Yutaka Kawakami, Tomonori Yaguchi, Taeko Hayakawa, Atsushi Imaizumi
  • Publication number: 20240000723
    Abstract: Provided is an agent or a food composition capable of decreasing a neutrophil-to-lymphocyte ratio. An agent for decreasing a neutrophil-to-lymphocyte ratio in blood contains a curcumin as an active ingredient.
    Type: Application
    Filed: November 12, 2021
    Publication date: January 4, 2024
    Applicants: THERABIOPHARMA INC., NATIONAL HOSPITAL ORGANIZATION
    Inventors: Koji HASEGAWA, Tadashi HASHIMOTO, Atsushi IMAIZUMI, Tatsuya OGAWA, Hitomi UMETA, Atsuhiro KISHIMOTO
  • Publication number: 20230265118
    Abstract: Provided are a derivative of curcumin monoglucuronide excellent in solubility and chemical stability, which can be provided as pharmaceuticals, and a method for producing the same. A salt of curcumin monoglucuronide represented by Chemical Formula 1, wherein M represents a pharmaceutically acceptable cation, a hydrate thereof, or a solvate thereof.
    Type: Application
    Filed: July 2, 2021
    Publication date: August 24, 2023
    Applicant: THERABIOPHARMA INC.
    Inventors: Atsushi IMAIZUMI, Hitomi UMETA, Yasumichi FUKUDA
  • Publication number: 20210023025
    Abstract: To provide a therapeutic agent for cancer having a higher therapeutic effect. A therapeutic agent for cancer, containing: at least one selected from the group consisting of curcumin and a derivative thereof; and at least one selected from the group consisting of an anti-PD-1 antibody, an anti-PD-L1 antibody, and an anti-PD-L2 antibody in combination.
    Type: Application
    Filed: October 9, 2020
    Publication date: January 28, 2021
    Applicant: THERAVALUES CORPORATION
    Inventors: Yutaka KAWAKAMI, Tomonori YAGUCHI, Taeko HAYAKAWA, Atsushi IMAIZUMI
  • Patent number: 10849862
    Abstract: To provide a therapeutic agent for cancer having a higher therapeutic effect. A therapeutic agent for cancer, containing: at least one selected from the group consisting of curcumin and a derivative thereof; and at least one selected from the group consisting of an anti-PD-1 antibody, an anti-PD-L1 antibody, and an anti-PD-L2 antibody in combination.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: December 1, 2020
    Assignee: THERAVALUES CORPORATION
    Inventors: Yutaka Kawakami, Tomonori Yaguchi, Taeko Hayakawa, Atsushi Imaizumi
  • Publication number: 20200254105
    Abstract: Provided is a curcumin pharmaceutical preparation that is highly water soluble, can maintain the concentration of free curcumin in the blood sufficiently high by being administered parenterally, can effectively obtain a pharmacological action of curcumin, and is highly safe. A pharmaceutical composition for parenteral administration, including a water-soluble substance conjugate of curcumin as an active component.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Applicants: THERABIOPHARMA INC., KYOTO UNIVERSITY
    Inventors: Hideaki KAKEYA, Masashi Kanai, Nobuaki Takahashi, Tadashi Hashimoto, Atsushi Imaizumi, Hitomi Ozawa
  • Publication number: 20190224325
    Abstract: Provided is a curcumin pharmaceutical preparation that is highly water soluble, can maintain the concentration of free curcumin in the blood sufficiently high by being administered parenterally, can effectively obtain a pharmacological action of curcumin, and is highly safe. A pharmaceutical composition for parenteral administration, including a water-soluble substance conjugate of curcumin as an active component.
    Type: Application
    Filed: June 28, 2017
    Publication date: July 25, 2019
    Applicants: THERABIOPHARMA INC., KYOTO UNIVERSITY
    Inventors: Hideaki KAKEYA, Masashi KANAI, Nobuaki TAKAHASHI, Tadashi HASHIMOTO, Atsushi IMAIZUMI, Hitomi OZAWA
  • Patent number: 10245238
    Abstract: Provided is a composition for oral intake, which exhibits improved oral absorbability of curcumin and/or an analog thereof and can be produced conveniently and inexpensively. A complex of curcumin and/or an analog thereof and a water-soluble cellulose derivative is disclosed.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: April 2, 2019
    Assignees: THERAVALUES CORPORATION
    Inventors: Hirofumi Takeuchi, Kohei Tahara, Atsushi Imaizumi, Tsukasa Takahashi, Takato Matsui, Hitomi Ozawa
  • Publication number: 20170367997
    Abstract: To provide a therapeutic agent for cancer having a higher therapeutic effect. A therapeutic agent for cancer, containing: at least one selected from the group consisting of curcumin and a derivative thereof; and at least one selected from the group consisting of an anti-PD-1 antibody, an anti-PD-L1 antibody, and an anti-PD-L2 antibody in combination.
    Type: Application
    Filed: December 24, 2015
    Publication date: December 28, 2017
    Applicant: THERABIOPHARMA INC.
    Inventors: Yutaka KAWAKAMI, Tomonori YAGUCHI, Taeko HAYAKAWA, Atsushi IMAIZUMI
  • Publication number: 20170239194
    Abstract: Provided is a composition for oral intake, which exhibits improved oral absorbability of curcumin and/or an analog thereof and can be produced conveniently and inexpensively. A complex of curcumin and/or an analog thereof and a water-soluble cellulose derivative is disclosed.
    Type: Application
    Filed: May 14, 2015
    Publication date: August 24, 2017
    Applicants: THERAVALUES CORPORATION
    Inventors: Hirofumi TAKEUCHI, Kohei TAHARA, Atsushi IMAIZUMI, Tsukasa TAKAHASHI, Takato MATSUI, Hitomi OZAWA
  • Patent number: 7163933
    Abstract: To obtain a treating agent for Paget's disease of bone, there is provided a method of inhibiting expression of general transcription factor of steroid hormone receptor.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: January 16, 2007
    Assignee: Teijin Limited
    Inventors: Seiichi Ishizuka, Kazuya Takenouchi, Atsushi Imaizumi, Yasuhiro Oue, Noriyoshi Kurihara, Sakamuri V. Reddy, G. David Roodman
  • Publication number: 20050165094
    Abstract: Compounds for use in the treatment of heart disease include a superoxide scavenger and an organic nitrate or nitrite moiety. The compounds can be represented by the formula (A)n(B)m, in which A is a superoxide scavenger, B is an organic nitrate or organic nitrite moiety, and n and m are values between 1 and 8. These compounds do not suffer from the problem of patient tolerance that is associated with the use of conventional agents such as organic nitrates.
    Type: Application
    Filed: May 18, 2001
    Publication date: July 28, 2005
    Inventors: Zhi Zhang, Declan Naughton, Yoshihiko Sumi, Atsushi Imaizumi
  • Publication number: 20040019024
    Abstract: To obtain a bone resorption inhibitor or a treating agent for Paget's disease of bone, there are provided a method of inhibiting bone resorption, comprising administering to a patient a vitamin D antagonist; and a method for treating Paget's disease of bone, comprising administering to a patient a vitamin D antagonist.
    Type: Application
    Filed: August 4, 2003
    Publication date: January 29, 2004
    Inventors: Seiichi Ishizuka, Kazuya Takenouchi, Atsushi Imaizumi, Yasuhiro Oue, Noriyoshi Kurihara, Sakamuri V Reddy, G. David Roodman
  • Publication number: 20040018985
    Abstract: A glutathione derivative having a dramatically enhanced hematopoiesis promoting effect in the living body, said derivative being represented by the formula (I): 1
    Type: Application
    Filed: July 21, 2003
    Publication date: January 29, 2004
    Applicant: TEIJIN LIMITED
    Inventors: Kiyoyuki Sakon, Yoshimitsu Naniwa, Mitsuru Kobayashi, Daishiro Miura, Hiroshi Imai, Atsushi Imaizumi
  • Publication number: 20030191094
    Abstract: To obtain a treating agent for Paget's disease of bone, there is provided a method of inhibiting expression of general transcription factor of steroid hormone receptor.
    Type: Application
    Filed: February 21, 2003
    Publication date: October 9, 2003
    Applicant: TEIJIN LIMITED
    Inventors: Seiichi Ishizuka, Kazuya Takenouchi, Atsushi Imaizumi, Yasuhiro Oue, Noriyoshi Kurihara, Sakamuri V. Reddy, G. David Roodman
  • Patent number: 6627732
    Abstract: The present invention provides a glutathione derivative having a dramatically enhanced hematopoiesis promoting effect in the living body represented by the formula (I): where A represents H or a C1-C20 acyl group; R1 represents a C1-C26 alkyl group or a C3-C26 alkenyl group; and R2 represents H, a C1-C26 alkyl group or a C3-C26 alkyl group, with the proviso that compounds are excluded in which R1 is a C1-C10 alkyl group or a C3-C10 alkenyl group, and simultaneously R2 is H, a C1-C10 alkyl group or a C3-C10 alkenyl group. The present invention also provides a salt of the glutathione derivative, or a colloidal composition that enables the safe and effective development of the effects of the glutathione derivative in the living body.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: September 30, 2003
    Assignee: Teijin Limited
    Inventors: Kiyoyuki Sakon, Yoshimitsu Naniwa, Mitsuru Kobayashi, Daishiro Miura, Hiroshi Imai, Atsushi Imaizumi
  • Patent number: 6346634
    Abstract: Compounds for use in the treatment of heart disease include a superoxide scavenger and an organic nitrate or nitrite moiety. The compounds can be represented by the formula (A)n(B)m, in which A is a superoxide scavenger, B is an organic nitrate or organic nitrite moiety, and n and m are values between 1 and 8. These compounds do not suffer from the problem of patient tolerance that is associated with the use of conventional agents such as organic nitrates.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: February 12, 2002
    Assignee: Teijin Limited
    Inventors: Zhi Zhang, Declan P. Naughton, Yoshihiko Sumi, Atsushi Imaizumi
  • Patent number: 5851983
    Abstract: The present invention provides an elastase inhibitory polypeptide comprising a C-terminal half of a human secretory leukocyte protease inhibitor (SLPI) and having an elastase inhibitory activity wherein inhibitory activity of a trypsin-like serine protease does not exceed 1/10 of elastase inhibitory activity, and polypeptides having the above-mentioned biological activity wherein one or more than one amino acid is added, one or more than one amino acid is deleted and/or one or more than one amino acid is replaced. The present invention also provides a process for the production of the above-mentioned protein or other protein via a corresponding fused protein.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: December 22, 1998
    Assignee: Teijin Limited
    Inventors: Takashi Sugiyama, Takashi Kamimura, Kenichi Masuda, Masahiro Okada, Eiko Ohtsuka, Atsushi Imaizumi, Kunihito Watanabe, Tetsuya Suga, Yohichi Matsumoto, Akiko Takeuchi
  • Patent number: 5374713
    Abstract: Peptide inhibitors of phospholipase A.sub.2 from inflammatory sites having the amino acid sequence given in formula SEQ. I.D.
    Type: Grant
    Filed: June 18, 1992
    Date of Patent: December 20, 1994
    Assignee: Teijin Limited
    Inventors: Yorimasa Suwa, Atsushi Imaizumi, Masahiro Okada, Chieko Azuma, Ichiro Kudo, Keizo Inoue