Patents by Inventor Hajimu Kurumatani

Hajimu Kurumatani 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: 20230022200
    Abstract: A method of preventing dialysis shift or renal death includes administering to a primary glomerular disease or nephrosclerosis patient with a serum creatinine level of 2.0 mg/dl or more and less than 3.0 mg/dl a sustained-release preparation including, as an active ingredient, a compound represented by formula (I): wherein R represents hydrogen or a pharmacologically acceptable cation, such that the compound represented by formula (I) is administered at 220 to 260 ?g per day.
    Type: Application
    Filed: December 23, 2020
    Publication date: January 26, 2023
    Inventors: Hajimu Kurumatani, Kiyonobu Okada, Naohiro Yamada, Takashi Kiriyama, Hiroyuki Kano, Shunsuke Yamada
  • Publication number: 20220096707
    Abstract: A hemostatic material includes a lipid that can accelerate adhesion or aggregation of platelets even if the lipid does not carry a protein or a peptide involved in adhesion or aggregation of platelets such as GPIb and H12 and, to achieve the object, provides a hemostatic material including a water-insoluble base and a lipid supported on a surface of the base, wherein the lipid includes one or two or more anionic lipids.
    Type: Application
    Filed: October 17, 2019
    Publication date: March 31, 2022
    Applicant: Toray Industries, Inc.
    Inventors: Shinji Takeoka, Keiko Nakahara, Mamoru Nishiura, Shinya Otsubo, Hajimu Kurumatani, Toru Arakane, Masanobu Takeda, Makoto Nakahara, Kumi Oyama
  • Publication number: 20210387943
    Abstract: A carboxylic acid-type lipid can accelerate adhesion or aggregation of platelets even if the carboxylic acid-type lipid does not carry a protein involved in adhesion or aggregation of platelets or a peptide corresponding to an active site of the protein; a lipid particle and a lipid membrane each include the carboxylic acid-type lipid; and a platelet aggregation accelerating agent, a platelet adhesion accelerating agent, a hemostatic agent and a platelet substitute each include the carboxylic acid-type lipid, the lipid particle or the lipid membrane. A carboxylic acid-type lipid is selected from carboxylic acid-type lipids represented by formulas (I) to (VI), a lipid particle includes the carboxylic acid-type lipid, a lipid membrane includes the carboxylic acid-type lipid, and a platelet aggregation accelerating agent, a platelet adhesion accelerating agent, a hemostatic agent and a platelet substitute each include the carboxylic acid-type lipid, the lipid particle or the lipid membrane.
    Type: Application
    Filed: October 17, 2019
    Publication date: December 16, 2021
    Inventors: Shinji Takeoka, Keiko Nakahara, Mamoru Nishiura, Shinya Otsubo, Hajimu Kurumatani, Toru Arakane
  • Patent number: 10149909
    Abstract: An agent enhances the therapeutic or prophylactic effect of a renin-angiotensin system inhibitor on renal diseases, including a specific prostaglandin I derivative such as beraprost sodium as an effective ingredient.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: December 11, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Hajimu Kurumatani, Mitsutaka Tamura
  • Patent number: 9913825
    Abstract: A method of ameliorating symptoms of uremia includes administering a therapeutic agent including beraprost or each isomer constituting beraprost, or a salt thereof as an effective ingredient to an animal belonging to the Family Canidae, wherein an effective dosage is a dosage that does not significantly lower blood pressure.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: March 13, 2018
    Assignee: Toray Industries, Inc.
    Inventors: Masahiko Takenaka, Yoshihisa Yamane, Nobutaka Ida, Hajimu Kurumatani
  • Patent number: 9783518
    Abstract: A therapeutic agent and a treatment method for uremia of human and animals, which therapeutic agent can be easily taken, has lower side effects, and which is not expensive in view of medical economics, are disclosed. The therapeutic agent for uremia in patients suffering from chronic renal failure comprises as an effective ingredient a prostaglandin I2 derivative having a specific structure, such as beraprost sodium. The therapeutic agent for uremia ameliorates the uremia concurred in patients with chronic renal failure without accompanying side effects, and restoration of decreased appetite, improvements in activities, increase in body weight and the like are achieved. The therapeutic effect of uremia is clear alleviation or disappearance of symptoms of uremia grasped as clinical symptoms, observed in the state of renal failure, especially even in spite of the state wherein the decrease in renal function is progressed.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: October 10, 2017
    Assignee: Toray Industries, Inc.
    Inventors: Masahiko Takenaka, Yoshihisa Yamane, Nobutaka Ida, Hajimu Kurumatani
  • Publication number: 20170224652
    Abstract: A method of ameliorating symptoms of uremia includes administering a therapeutic agent including beraprost or each isomer constituting beraprost, or a salt thereof as an effective ingredient to an animal belonging to the Family Canidae, wherein an effective dosage is a dosage that does not significantly lower blood pressure.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Inventors: Masahiko Takenaka, Yoshihisa Yamane, Nobutaka Ida, Hajimu Kurumatani
  • Publication number: 20170080089
    Abstract: An agent enhances the therapeutic or prophylactic effect of a renin-angiotensin system inhibitor on renal diseases, including a specific prostaglandin I derivative such as beraprost sodium as an effective ingredient.
    Type: Application
    Filed: December 7, 2016
    Publication date: March 23, 2017
    Inventors: Hajimu Kurumatani, Mitsutaka Tamura
  • Patent number: 9546145
    Abstract: An agent for enhancing therapeutic or prophylactic effect of a renin-angiotensin system inhibitor on renal diseases is disclosed, including a specific prostaglandin I derivative such as beraprost sodium as an effective ingredient.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: January 17, 2017
    Assignee: Toray Industries, Inc.
    Inventors: Hajimu Kurumatani, Mitsutaka Tamura
  • Patent number: 9457032
    Abstract: A therapeutic agent for renal failure including, as an active ingredient, a 4,8-inter-m-phenylene prostaglandin I2 derivative, and also a method for treatment of renal failure using the same.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: October 4, 2016
    Assignee: Toray Industries, Inc.
    Inventors: Hajimu Kurumatani, Motohiro Suzuki
  • Patent number: 8575175
    Abstract: The present invention aims to provide a therapeutic agent for chronic renal failure, comprising as an effective ingredient a compound represented by General Formula (1) or a pharmaceutically acceptable salt thereof. That is, the present invention provides provision of a drug comprising as an effective ingredient a compound represented by General Formula (1) or a pharmaceutically acceptable salt thereof, which drug is useful not only for amelioration of renal function, but also for amelioration of anemia, activation of SOD and excretion of uremic substances.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: November 5, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Fuko Matsuda, Katsuhiko Iseki, Hajimu Kurumatani, Mitsuko Miyamoto
  • Publication number: 20110178103
    Abstract: The present invention aims to provide a therapeutic agent for chronic renal failure, comprising as an effective ingredient a compound represented by General Formula (1) or a pharmaceutically acceptable salt thereof. That is, the present invention provides provision of a drug comprising as an effective ingredient a compound represented by General Formula (1) or a pharmaceutically acceptable salt thereof, which drug is useful not only for amelioration of renal function, but also for amelioration of anemia, activation of SOD and excretion of uremic substances.
    Type: Application
    Filed: July 23, 2009
    Publication date: July 21, 2011
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Fuko Matsuda, Katsuhiko Iseki, Hajimu Kurumatani, Mitsuko Miyamoto
  • Publication number: 20090176848
    Abstract: An agent for enhancing therapeutic or prophylactic effect of a renin-angiotensin system inhibitor on renal diseases is disclosed, including a specific prostaglandin I derivative such as beraprost sodium as an effective ingredient.
    Type: Application
    Filed: March 12, 2009
    Publication date: July 9, 2009
    Applicant: Toray Industries, Inc., a corporation of Japan
    Inventors: Hajimu Kurumatani, Mitsutaka Tamura
  • Publication number: 20090163584
    Abstract: A therapeutic agent for renal failure including, as an active ingredient, a 4,8-inter-m-phenylene prostaglandin I2 derivative, and also a method for treatment of renal failure using the same.
    Type: Application
    Filed: February 10, 2009
    Publication date: June 25, 2009
    Applicant: Toray Industries, Inc., a corporation of Japan
    Inventors: Hajimu Kurumatani, Motohiro Suzuki
  • Publication number: 20090143463
    Abstract: A therapeutic agent and a treatment method for uremia of human and animals, which therapeutic agent can be easily taken, has lower side effects, and which is not expensive in view of medical economics, are disclosed. The therapeutic agent for uremia in patients suffering from chronic renal failure comprises as an effective ingredient a prostaglandin I2 derivative having a specific structure, such as beraprost sodium. The therapeutic agent for uremia ameliorates the uremia concurred in patients with chronic renal failure without accompanying side effects, and restoration of decreased appetite, improvements in activities, increase in body weight and the like are achieved. The therapeutic effect of uremia is clear alleviation or disappearance of symptoms of uremia grasped as clinical symptoms, observed in the state of renal failure, especially even in spite of the state wherein the decrease in renal function is progressed.
    Type: Application
    Filed: July 7, 2006
    Publication date: June 4, 2009
    Applicant: Toray Industries, Inc., a corporation of Japan
    Inventors: Masahiko Takenaka, Yoshihisa Yamane, Nobutaka Ida, Hajimu Kurumatani
  • Publication number: 20080269155
    Abstract: A novel agent for therapy and/or prevention of kidney diseases as well as a diagnostic method (detection method) of kidney diseases is disclosed. The agent for therapy and/or prevention of kidney diseases comprises as an effective ingredient a substance which inhibits casein kinase 2. The diagnostic method of kidney diseases according to the present invention comprises measuring activity or content of casein kinase 2, or measuring expression amount of casein kinase 2 gene in a sample separated from body.
    Type: Application
    Filed: March 17, 2008
    Publication date: October 30, 2008
    Applicant: TORAY INDUSTRIES INC.
    Inventors: Masateru Yamada, Hajimu Kurumatani, Tetsuo Sudo, Gozoh Tsujimoto
  • Publication number: 20060293256
    Abstract: A novel agent for therapy and/or prevention of kidney diseases as well as a diagnostic method (detection method) of kidney diseases is disclosed. The agent for therapy and/or prevention of kidney diseases comprises as an effective ingredient a substance which inhibits casein kinase 2. The diagnostic method of kidney diseases according to the present invention comprises measuring activity or content of casein kinase 2, or measuring expression amount of casein kinase 2 gene in a sample separated from body.
    Type: Application
    Filed: August 5, 2003
    Publication date: December 28, 2006
    Inventors: Masateru Yamada, Hajimu Kurumatani, Tetsuo Sudo
  • Publication number: 20060217421
    Abstract: An agent for enhancing therapeutic or prophylactic effect of administering an inhibitor of renin-angiotensin system, such as candesartan cilexetil, on renal diseases is disclosed. The agent comprises a specific prostaglandin I derivative such as beraprost sodium as an effective ingredient.
    Type: Application
    Filed: May 6, 2004
    Publication date: September 28, 2006
    Inventors: Hajimu Kurumatani, Mitsutaka Tamura
  • Publication number: 20060106095
    Abstract: The present invention relates to a therapeutic agent for renal failure comprising, as an active ingredient, a 4,8-inter-m-phenylene prostaglandin I2 derivative, and also relates to a method for treatment of renal failure using the same.
    Type: Application
    Filed: December 28, 2005
    Publication date: May 18, 2006
    Applicant: Toray Industries, Inc., a corporation of Japan
    Inventors: Hajimu Kurumatani, Motohiro Suzuki
  • Patent number: 6653345
    Abstract: A method of inhibiting mammalian C—C chemokine production by using a mammalian C—C chemokine synthesis inhibitor containing a prostaglandin I derivative as an active component to treat a variety of circulatory diseases, inflammation, allergic diseases, and renal diseases.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: November 25, 2003
    Assignee: Toray Industries, Inc.
    Inventors: Hajimu Kurumatani, Rie Sasaki, Hiroki Kumagai