Patents by Inventor Akira Kakizuka

Akira Kakizuka 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: 20220401461
    Abstract: The inventors have found that compounds of formula (I) have an effect to protect cartilage. Accordingly the disclosure provides a pharmaceutical composition for protecting cartilage comprising a compound of formula (I) or an ester, oxide, pharmaceutically acceptable salt, or solvate thereof. The pharmaceutical composition can be used for treating and/or preventing a disease associated with cartilage degeneration such as osteoarthritis.
    Type: Application
    Filed: October 23, 2020
    Publication date: December 22, 2022
    Applicants: Kyoto University, Kyoto Drug Discovery & Development Co., Ltd.
    Inventors: Kohei Nishitani, Akira Kakizuka, Hanako Ikeda, Shuichi Matsuda, Sachiko Iwai, Motoo Saito, Kunihiro Musashi
  • Publication number: 20210145808
    Abstract: The inventors have found that the compounds of formula (I) protect cardiomyocytes. Accordingly, the disclosure provides a pharmaceutical composition for protecting a cardiomyocyte comprising a compound of formula (I) or an ester, oxide, pharmaceutically acceptable salt or solvate thereof. The pharmaceutical composition may be used for treating or preventing a disease associated with cardiomyocyte death, such as myocardial infarction, chronic heart failure, hypertensive heart failure, or dilated cardiomyopathy, especially for treating myocardial infarction.
    Type: Application
    Filed: April 15, 2019
    Publication date: May 20, 2021
    Applicant: Kyoto University
    Inventors: Akira Kakizuka, Koh Ono, Takahiro Horie, Yuya Ide, Naritatsu Saitou, Takeshi Kimura
  • Publication number: 20210137950
    Abstract: The disclosure provides a compound of formula (I) for treating cerebral infarction, a pharmaceutical composition comprising the compound, a method of manufacturing a pharmaceutical composition for treating cerebral infarction comprising use of the compound, use of the compound for manufacturing a pharmaceutical composition for treating cerebral infarction, or a method for treating cerebral infarction comprising administering the compound or the pharmaceutical composition. The cerebral infarction includes, for example, lacunar infarction, atherothrombotic cerebral infarction, and cardiogenic embolism.
    Type: Application
    Filed: July 30, 2019
    Publication date: May 13, 2021
    Applicant: Kyoto University
    Inventors: Akira Kakizuka, Hisanori Kinoshita, Takakuni Maki, Ryosuke Takahashi
  • Publication number: 20210059995
    Abstract: The inventors have found that VCP inhibitors protect corneal endothelial cells and corneal epithelial cells. Accordingly, the disclosure provides a composition for protecting a cornea comprising a compound of formula (I) or an ester, oxide, pharmaceutically acceptable salt or solvate thereof. In another aspect the disclosure provides a composition for treating and/or preventing a corneal disease comprising a compound of formula (I). In a further aspect the disclosure provides a composition for ocular irrigation comprising a compound of formula (I). In a still further aspect the disclosure provides a composition for preserving a corneal graft comprising a compound of formula (I).
    Type: Application
    Filed: December 26, 2018
    Publication date: March 4, 2021
    Applicants: Kyoto University, Kyoto Prefectural Public University Corporation, The Doshisha
    Inventors: Hanako Ikeda, Akira Kakizuka, Shigeru Kinoshita, Takahiro Nakamura, Maho Nagata, Noriko Koizumi, Naoki Okumura
  • Patent number: 9931351
    Abstract: The present invention provides a compound of formula (I) which improves leptin resistance, a pharmaceutical composition comprising the compound, a method for manufacturing a pharmaceutical for improving leptin resistance comprising using the compound, use of the compound for manufacturing a pharmaceutical for improving leptin resistance, and a method for improving leptin resistance comprising administering the compound or the pharmaceutical composition. The improvement of leptin resistance can lead treatment and/or prevention of a disorder associated with leptin resistance, including, particularly, metabolic disorder, obesity, hyperphagia, steatosis, diabetes, and dyslipidemia.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: April 3, 2018
    Assignee: Kyoto University
    Inventors: Akira Kakizuka, Ken Ebihara, Megumi Abe, Chihiro Ebihara
  • Patent number: 9782420
    Abstract: The present invention provides a pharmaceutical composition for removing drusen, suppressing formation of drusen, and/or treating and/or preventing age-related macular degeneration comprising the compound of formula (I) wherein Ra is independently selected from the group consisting of halo, hydroxy, alkyl, halo-substituted alkyl, aryl, halo- or alkyl-substituted aryl, alkoxy, hydroxy- or carboxy-substituted alkoxy, aryloxy, halo- or alkyl-substituted aryloxy, CHO, C(O)-alkyl, C(O)-aryl, C(O)-alkyl-carboxyl, C(O)-alkylene-carboxy ester and cyano, and m is an integer selected from 0 to 4.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: October 10, 2017
    Assignee: Kyoto University
    Inventors: Akira Kakizuka, Hanako Ikeda, Nagahisa Yoshimura, Yuki Muraoka
  • Patent number: 9573887
    Abstract: The present invention provides compounds which can regulate VCP activity. The present invention provides the compound of formula (I) (R is as defined in the description) or oxides, esters, prodrugs, pharmaceutically acceptable salts or solvates thereof. The compounds can regulate VCP activity, and thus are useful for treating VCP-mediated diseases such as neurodegenerative diseases.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: February 21, 2017
    Assignees: Daito Chemix Corporation, Kyoto University
    Inventors: Akira Kakizuka, Seiji Hori, Toshiyuki Shudo, Tomohiro Fuchigami
  • Publication number: 20160303144
    Abstract: The present invention provides a compound of formula (I) which improves leptin resistance, a pharmaceutical composition comprising the compound, a method for manufacturing a pharmaceutical for improving leptin resistance comprising using the compound, use of the compound for manufacturing a pharmaceutical for improving leptin resistance, and a method for improving leptin resistance comprising administering the compound or the pharmaceutical composition. The improvement of leptin resistance can lead treatment and/or prevention of a disorder associated with leptin resistance, including, particularly, metabolic disorder, obesity, hyperphagia, steatosis, diabetes, and dyslipidemia.
    Type: Application
    Filed: September 3, 2014
    Publication date: October 20, 2016
    Applicant: Kyoto University
    Inventors: Akira Kakizuka, Ken Ebihara, Megumi Abe, Chihiro Ebihara
  • Publication number: 20160000810
    Abstract: The present invention provides a pharmaceutical composition for removing drusen, suppressing formation of drusen, and/or treating and/or preventing age-related macular degeneration comprising the compound of formula (I) wherein Ra is independently selected from the group consisting of halo, hydroxy, alkyl, halo-substituted alkyl, aryl, halo- or alkyl-substituted aryl, alkoxy, hydroxy- or carboxy-substituted alkoxy, aryloxy, halo- or alkyl-substituted aryloxy, CHO, C(O)-alkyl, C(O)-aryl, C(O)-alkyl-carboxyl, C(O)-alkylene-carboxy ester and cyano, and m is an integer selected from 0 to 4.
    Type: Application
    Filed: February 19, 2014
    Publication date: January 7, 2016
    Applicant: Kyoto University
    Inventors: Akira Kakizuka, Hanako Ikeda, Nagahisa Yoshimura, Yuki Muraoka
  • Patent number: 9206129
    Abstract: The present invention provides agents effective to treat eye diseases, pharmaceutical compositions comprising them, methods for preparing pharmaceuticals for treatment of eye diseases comprising using the agents, use of the agents in manufacture of pharmaceuticals for treatment of eye diseases and methods for treating eye diseases comprising administering the agents or the pharmaceutical compositions. The eye diseases treated by the present invention include particularly glaucoma, especially normal tension glaucoma, or retinitis pigmentosa. The present invention provides the compound of formula (I) wherein R is as defined in the description.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: December 8, 2015
    Assignees: Daito Chemix Corporation, Kyoto University
    Inventors: Akira Kakizuka, Seiji Hori, Hanako Ikeda, Nagahisa Yoshimura, Noriko Nakano, Toshiyuki Shudo, Tomohiro Fuchigami
  • Publication number: 20140148416
    Abstract: The present invention provides agents effective to treat eye diseases, pharmaceutical compositions comprising them, methods for preparing pharmaceuticals for treatment of eye diseases comprising using the agents, use of the agents in manufacture of pharmaceuticals for treatment of eye diseases and methods for treating eye diseases comprising administering the agents or the pharmaceutical compositions. The eye diseases treated by the present invention include particularly glaucoma, especially normal tension glaucoma, or retinitis pigmentosa. The present invention provides the compound of formula (I) wherein R is as defined in the description.
    Type: Application
    Filed: September 30, 2011
    Publication date: May 29, 2014
    Applicants: KYOTO UNIVERSITY, DAITO CHEMIX CORPORATION
    Inventors: Akira Kakizuka, Seiji Hori, Hanako Ikeda, Nagahisa Yoshimura, Noriko Nakano, Toshiyuki Shudo, Tomohiro Fuchigami
  • Publication number: 20130184241
    Abstract: The present invention provides compounds which can regulate VCP activity. The present invention provides the compound of formula (I) (R is as defined in the description) or oxides, esters, prodrugs, pharmaceutically acceptable salts or solvates thereof. The compounds can regulate VCP activity, and thus are useful for treating VCP-mediated diseases such as neurodegenerative diseases.
    Type: Application
    Filed: July 28, 2011
    Publication date: July 18, 2013
    Applicant: KYOTO UNIVERSITY
    Inventors: Akira Kakizuka, Seiji Hori, Toshiyuki Shudo, Tomohiro Fuchigami
  • Patent number: 6905815
    Abstract: A method for screening substances which are useful as effective components of prophylactic or therapeutic drug for neurodegenerative diseases caused by the binding of an aberrant protein and a valosin-containing protein, wherein the aberrant protein and the valosin-containing protein and the candidate substance are made to coexist, and the substance that shows inhibitory action on the binding of the aberrant protein and the valosin-containing protein is identified, is provided.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: June 14, 2005
    Assignees: Japan Science and Technology Corporation, Osaka Bioscience Institute
    Inventors: Akira Kakizuka, Miho Hirabayashi
  • Publication number: 20030138855
    Abstract: A method for screening substances which are useful as effective components of prophylactic or therapeutic drug for neurodegenerative diseases caused by the binding of an aberrant protein and a valosin-containing protein, wherein the aberrant protein and the valosin-containing protein and the candidate substance are made to coexist, and the substance that shows inhibitory action on the binding of the aberrant protein and the valosin-containing protein is identified, is provided.
    Type: Application
    Filed: June 27, 2002
    Publication date: July 24, 2003
    Inventors: Akira Kakizuka, Miho Hirabayashi
  • Patent number: 5840491
    Abstract: A method by which a nucleotide sequence, specifically a CAG triplet repeat shown to be expanded in individuals with Machado-Joseph Disease can be identified in a sample obtainable from an individual. The present methods can be used to identify individuals in whom the CAT triplet repeat is expanded, including methods useful to identify the protein encoded by the Machado-Joseph Disease gene.
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: November 24, 1998
    Inventor: Akira Kakizuka