Patents by Inventor Etsuo Ohshima

Etsuo Ohshima 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: 20260191823
    Abstract: Disclosed is a prophylactic or therapeutic agent that is for acute kidney injury induced by an anticancer agent and that contains at least one selected from the group consisting of: glutathione trisulfide and pharmacologically acceptable salts thereof; at least one cyclodextrin inclusion complex selected from the group consisting of lipoic acid trisulfide, derivatives of the same, and pharmacologically acceptable salts thereof; lipoic acid trisulfide and derivatives thereof; and pantethine trisulfide and pharmacologically acceptable salts thereof. The present invention also discloses a method for determining, on the basis of a blood GDF-15 level, at least one of the dosage, the dosage regimen, and the administration feasibility of the prophylactic or therapeutic agent.
    Type: Application
    Filed: November 7, 2023
    Publication date: July 9, 2026
    Applicants: KYOWA HAKKO BIO CO., LTD., TOKUSHIMA UNIVERSITY
    Inventors: Etsuo OHSHIMA, Yu ISHIMA
  • Publication number: 20260097091
    Abstract: Methods and devices for the administration of compositions comprising glutathione trisulfide (GSSSG), pantethine trisulfide (PTN-SSS), or lipoic acid trisulfide (LA-SSS) to treat peripheral neuropathy, e.g., chemotherapy-induced peripheral neuropathy (CIPN), e.g., by oral or nasal administration. The methods can be used, e.g., to reduce pain associated with CIPN, or reduce the risk of development of CIPN.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 9, 2026
    Inventors: Fumito Ichinose, III, Mariko Ezaka, Etsuo Ohshima
  • Patent number: 12552764
    Abstract: A compound represented by Formula (1) or (3). wherein R1 and R2 are each independently a hydrogen atom; a C1-6 alkyl group optionally having one or more substituents selected from the group consisting of a carboxy group and —OR5; a C2-6 alkyl group having one or more substituents selected from the group consisting of —NR6R7 and —N+R9R10R11; or —(CH2CH2O)nR8; wherein R4 is a C1-6 alkyl group having one or more substituents selected from the group consisting of a carboxy group and —OR5; a C2-6 alkyl group having one or more substituents selected from the group consisting of —NR6R7 and —N+R9R10R11, or —(CH2CH2O)nR8; wherein R5, R6, R7, R8, R9, R10 and R11 are each independently a hydrogen atom or a C1-3 alkyl group; and n is an integer of 2 to 5.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: February 17, 2026
    Assignee: Kyowa Pharma Chemical Co., Ltd.
    Inventors: Shoichiro Tomonaga, Takahiro Isobe, Etsuo Ohshima
  • Patent number: 12534432
    Abstract: A compound represented by Formula (1) below or a salt thereof.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: January 27, 2026
    Assignee: Kyowa Pharma Chemical Co., Ltd.
    Inventors: Shoichiro Tomonaga, Takahiro Isobe, Etsuo Ohshima
  • Publication number: 20240374561
    Abstract: The present invention provides a trisulfide-compound-containing agent for inhibiting nitration of tyrosine residues in hepatocyte growth factor, the trisulfide compound being: glutathione trisulfide or a pharmaceutically acceptable salt thereof; or a compound represented by formula (1) (wherein X represents —OR1 or —NR2R3, R1 represents a hydrogen atom or an alkyl group containing 1 to 6 carbon atoms, R2 and R3 independently represent a hydrogen atom or an alkyl group containing 1 to 6 carbon atoms, and the alkyl group may have one or more substituents selected from the group consisting of amino groups and carboxy groups), a pharmaceutically acceptable salt thereof, or a cyclodextrin clathrate thereof.
    Type: Application
    Filed: September 8, 2022
    Publication date: November 14, 2024
    Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KYOWA HAKKO BIO CO., LTD.
    Inventors: Ryuichi TATSUMI, Mako NAKAMURA, Etsuo OHSHIMA
  • Publication number: 20240293359
    Abstract: Disclosed is a prophylactic or therapeutic drug for Parkinson's disease, which comprises a trisulfide compound and is characterized by being administered in combination with a drug that is used for a dopamine supplementation therapy.
    Type: Application
    Filed: July 5, 2022
    Publication date: September 5, 2024
    Applicant: Kyowa Pharma Chemical Co., Ltd.
    Inventors: Etsuo OHSHIMA, Shoichiro TOMONAGA, Takahiro ISOBE
  • Publication number: 20240269223
    Abstract: A prophylactic or therapeutic agent for acute renal failure that includes glutathione trisulfide or a pharmacolgically acceptable salt thereof; and a method for determining at least one among the advisability, the method of administration, and the dosage of glutathione trisulfide or a pharmacolgically acceptable salt thereof on the basis of GDF-15 concentration in the blood.
    Type: Application
    Filed: May 31, 2022
    Publication date: August 15, 2024
    Applicant: KYOWA HAKKO BIO CO., LTD.
    Inventors: Etsuo OHSHIMA, Shinya MATSUNO, Tsuneyo NISHINO
  • Publication number: 20240082194
    Abstract: The present invention exhibits strong preventive effects and/or therapeutic effects with regard to inflammatory disorders and/or pain disorders by combining and administering glutathione trisulfide or a pharmaceutically-acceptable salt thereof and a non-steroidal anti-inflammatory drug or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 7, 2022
    Publication date: March 14, 2024
    Applicant: Kyowa Pharma Chemical Co., Ltd.
    Inventor: Etsuo OHSHIMA
  • Publication number: 20230357141
    Abstract: A compound represented by Formula (1) below or a salt thereof.
    Type: Application
    Filed: August 23, 2021
    Publication date: November 9, 2023
    Applicant: Kyowa Pharma Chemical Co., Ltd.
    Inventors: Shoichiro TOMONAGA, Takahiro ISOBE, Etsuo OHSHIMA
  • Publication number: 20230331692
    Abstract: A compound represented by Formula (1) or (3). wherein R1 and R2 are each independently a hydrogen atom; a C1-6 alkyl group optionally having one or more substituents selected from the group consisting of a carboxy group and —OR5; a C2-6 alkyl group having one or more substituents selected from the group consisting of —NR6R7 and —N+R9R10R11; or —(CH2CH2O)nR8; wherein R4 is a C1-6 alkyl group having one or more substituents selected from the group consisting of a carboxy group and —OR5; a C2-6 alkyl group having one or more substituents selected from the group consisting of —NR6R7 and —N+R9R10R11, or —(CH2CH2O)nR8; wherein R5, R6, R7, R8, R9, R10 and R11 are each independently a hydrogen atom or a C1-3 alkyl group; and n is an integer of 2 to 5.
    Type: Application
    Filed: August 25, 2021
    Publication date: October 19, 2023
    Applicant: Kyowa Pharma Chemical Co., Ltd.
    Inventors: Shoichiro TOMONAGA, Takahiro ISOBE, Etsuo OHSHIMA
  • Patent number: 9663537
    Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: May 30, 2017
    Assignees: Millennium Pharmaceuticals, Inc., Kyowa Hakko Kirin Co., Ltd.
    Inventors: Jay R. Luly, Yoshisuke Nakasato, Etsuo Ohshima, Geraldine C. B. Harriman, Kenneth G. Carson, Shomir Ghosh, Amy M. Elder, Karen M. Mattia
  • Publication number: 20160031908
    Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.
    Type: Application
    Filed: March 10, 2015
    Publication date: February 4, 2016
    Inventors: Jay R. LULY, Yoshisuke NAKASATO, Etsuo OHSHIMA, Geraldine C.B. HARRIMAN, Kenneth G. CARSON, Shomir GHOSH, Amy M. ELDER, Karen M. MATTIA
  • Publication number: 20140371207
    Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.
    Type: Application
    Filed: December 13, 2013
    Publication date: December 18, 2014
    Applicants: Kyowa Hakko Kirin Co., Ltd., Millennium Pharmaceuticals, Inc.
    Inventors: Jay R. Luly, Yoshisuke Nakasato, Etsuo Ohshima, Geraldine C.B. Harriman, Kenneth G. Carson, Shomir Ghosh, Amy M. Elder, Karen M. Mattia
  • Patent number: 8653096
    Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: February 18, 2014
    Assignees: Millennium Pharmaceuticals, Inc., Kyowa Hakko Kirin Co., Ltd.
    Inventors: Jay R. Luly, Yoshisuke Nakasato, Etsuo Ohshima, Geraldine C. B. Harriman, Kenneth G. Carson, Shomir Ghosh, Amy M. Elder, Karen M. Mattia
  • Patent number: 8192736
    Abstract: The present invention provides a therapeutic agent for endometriosis comprising an interleukin-5 antagonist as an active ingredient.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: June 5, 2012
    Assignee: Kyowa Hakko Kirin Co., Ltd
    Inventors: Etsuo Ohshima, Hirokazu Kawasaki, Naoya Kimoto, Akihiko Watanabe
  • Publication number: 20120046311
    Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.
    Type: Application
    Filed: September 26, 2011
    Publication date: February 23, 2012
    Applicant: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Jay R. Luly, Yoshisuke Nakasato, Etsuo Ohshima, Geraldine C. B. Harriman, Kenneth G. Carson, Shomir Ghosh, Amy M. Elder, Karen M. Mattia
  • Patent number: 8058287
    Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: November 15, 2011
    Assignees: Millennium Pharmaceuticals, Inc., Kyowa Hakko Kirin Co., Ltd.
    Inventors: Jay R. Luly, Yoshisuke Nakasato, Etsuo Ohshima, Geraldine C. B. Harriman, Kenneth G. Carson, Shomir Ghosh, Amy M. Elder, Karen M. Mattia
  • Publication number: 20090281081
    Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.
    Type: Application
    Filed: May 6, 2009
    Publication date: November 12, 2009
    Inventors: Jay R. Luly, Yoshisuke Nakasato, Etsuo Ohshima, Geraldine C. B. Harriman, Kenneth G. Carson, Shomir Ghosh, Amy M. Elder, Karen M. Mattia
  • Publication number: 20090252723
    Abstract: The present invention provides a therapeutic agent for endometriosis comprising an interleukin-5 antagonist as an active ingredient.
    Type: Application
    Filed: October 28, 2005
    Publication date: October 8, 2009
    Applicant: KYOWA HAKKO KOGYO CO., LTD>
    Inventors: Etsuo Ohshima, Hirokazu Kawasaki, Naoya Kimoto, Akihiko Watanabe
  • Patent number: 7541365
    Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: June 2, 2009
    Assignees: Millennium Pharmaceuticals, Inc., Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Jay R. Luly, Yoshisuke Nakasato, Etsuo Ohshima, Geraldine C. B. Harriman, Kenneth G. Carson, Shomir Ghosh, Amy M. Elder, Karen M. Mattia