Patents by Inventor Takamitsu Hosoya

Takamitsu Hosoya 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: 11318126
    Abstract: Provided is a composition for activating neurogenesis, use of the composition, and a method for preventing, improving, inhibiting the development of, and/or treating a disease or the like of the central nervous system and or the peripheral nervous system using the composition.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: May 3, 2022
    Assignee: Kyoto University
    Inventors: Masatoshi Hagiwara, Akiko Kobayashi, Takamitsu Hosoya, Suguru Yoshida, Yuto Sumida
  • Patent number: 10954222
    Abstract: It has been found that efficient screening for a compound having anticancer activity can be achieved by selecting a compound having activity to induce alternative autophagy using, as an index, formation of fluorescent bright spots due to aggregation of a lysosomal protein to which a fluorescent protein is attached in cells expressing the lysosomal protein.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: March 23, 2021
    Assignee: National University Corporation Tokyo Medical and Dental University
    Inventors: Shigeomi Shimizu, Takamitsu Hosoya, Michiko Murohashi, Suguru Yoshida
  • Publication number: 20200188382
    Abstract: A method for inducing programmed cell death in cancer cells and a pharmaceutical composition therefor are provided. Provided is a method for inducing programmed cell death in cancer cells, the method including enhancing production of nitric oxide in cancer cells. Provided is a pharmaceutical composition for inducing programmed cell death in cancer cells, the pharmaceutical composition containing, as an active component, a compound that enhances production of nitric oxide in cancer cells. Provided is use of a compound that enhances production of nitric oxide in cancer cells, in a method for preventing, improving, suppressing progression of, and/or treating cancers.
    Type: Application
    Filed: October 31, 2017
    Publication date: June 18, 2020
    Applicant: KYOTO UNIVERSITY
    Inventors: Masatoshi HAGIWARA, Masayasu TOYOMOTO, Takamitsu HOSOYA, Suguru YOSHIDA
  • Publication number: 20190365762
    Abstract: A pharmaceutical composition for neovascular diseases, a pharmaceutical composition for inhibiting an angiogenic growth factor, and use of these pharmaceutical compositions are provided. In one or more embodiments, a pharmaceutical composition contains as an active ingredient a low molecular weight compound that is able to suppress the expression of VEGF gene in cells or to reduce the production of VEGF protein from cells. In one or more embodiments, a pharmaceutical composition contains as an active ingredient a compound expressed by the following formula (I) or a prodrug thereof or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: February 25, 2019
    Publication date: December 5, 2019
    Applicants: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Masatoshi HAGIWARA, Satoshi MOROOKA, Takamitsu HOSOYA, Suguru YOSHIDA
  • Publication number: 20190247384
    Abstract: Provided is a composition for activating neurogenesis, use of the composition, and a method for preventing, improving, inhibiting the development of, and/or treating a disease or the like of the central nervous system and or the peripheral nervous system using the composition.
    Type: Application
    Filed: August 31, 2017
    Publication date: August 15, 2019
    Applicant: KYOTO UNIVERSITY
    Inventors: Masatoshi HAGIWARA, Akiko KOBAYASHI, Takamitsu HOSOYA, Suguru YOSHIDA, Yuto SUMIDA
  • Publication number: 20180290979
    Abstract: Provided is a composition that can be used for an organ preservation solution or perfusate. Alternatively, provided is a composition for prolonging the survival of normal cells and/or a composition for inhibiting the survival of cancer cells. In one or more embodiments, a composition containing, as an active component, a compound that enhances phosphorylation of AMPK (AMP-activated protein kinase). Said composition is one that can prolong the survival of cells (especially, normal cells). Furthermore, said composition is one that can inhibit the survival of cancer cells.
    Type: Application
    Filed: April 28, 2016
    Publication date: October 11, 2018
    Applicant: Kyoto University
    Inventors: Masatoshi HAGIWARA, Masayasu TOYOMOTO, Isao KII, Takamitsu HOSOYA, Suguru YOSHIDA
  • Patent number: 10017524
    Abstract: The present invention provides a compound and a pharmaceutical composition for neuropsychological disorders or malignant tumors, the use of the compound and the pharmaceutical composition, or a method for preventing, improving, inhibiting the development of, and/or treating neuropsychological disorders or malignant tumors with the use of the compound and the pharmaceutical composition.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: July 10, 2018
    Assignees: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY, KINOPHARMA, INC.
    Inventors: Masatoshi Hagiwara, Hiroshi Onogi, Isao Kii, Takamitsu Hosoya, Yuto Sumida
  • Patent number: 9879014
    Abstract: A compound and a pharmaceutical composition for disease associated with an abnormal splice variant, use of the compound and the pharmaceutical composition, or a screening method of the compound and the pharmaceutical composition are provided. One or more embodiments disclose a compound expressed by the following formula (I) or (I?) or prodrugs or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: January 30, 2018
    Assignee: KYOTO UNIVERSITY
    Inventors: Masatoshi Hagiwara, Suguru Yoshida, Takamitsu Hosoya
  • Publication number: 20170355715
    Abstract: The present invention provides a compound and a pharmaceutical composition for neuropsychological disorders or malignant tumors, the use of the compound and the pharmaceutical composition, or a method for preventing, improving, inhibiting the development of, and/or treating neuropsychological disorders or malignant tumors with the use of the compound and the pharmaceutical composition.
    Type: Application
    Filed: July 26, 2017
    Publication date: December 14, 2017
    Applicants: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY, KINOPHARMA, INC.
    Inventors: Masatoshi HAGIWARA, Hiroshi ONOGI, Isao KII, Takamitsu HOSOYA, Yuto SUMIDA
  • Patent number: 9745323
    Abstract: The present invention provides a compound and a pharmaceutical composition for neuropsychological disorders or malignant tumors, the use of the compound and the pharmaceutical composition, or a method for preventing, improving, inhibiting the development of, and/or treating neuropsychological disorders or malignant tumors with the use of the compound and the pharmaceutical composition.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: August 29, 2017
    Assignees: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY, KINOPHARMA, INC.
    Inventors: Masatoshi Hagiwara, Hiroshi Onogi, Isao Kii, Takamitsu Hosoya, Yuto Sumida
  • Patent number: 9745275
    Abstract: Provided is a pain-related compound, a pain-related pharmaceutical composition, and use of the same. Provided in one or more embodiments is a compound represented by Formula (I), a prodrug of the same, or a pharmaceutically permissible salt of any of the same.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: August 29, 2017
    Assignees: KYOTO UNIVERSITY, KAGOSHIMA UNIVERSITY
    Inventors: Masatoshi Hagiwara, Masayasu Toyomoto, Takamitsu Hosoya, Suguru Yoshida, Takashi Kurihara
  • Publication number: 20170128449
    Abstract: A pharmaceutical composition for neovascular diseases, a pharmaceutical composition for inhibiting an angiogenic growth factor, and use of these pharmaceutical compositions are provided. In one or more embodiments, a pharmaceutical composition contains as an active ingredient a low molecular weight compound that is able to suppress the expression of VEGF gene in cells or to reduce the production of VEGF protein from cells. In one or more embodiments, a pharmaceutical composition contains as an active ingredient a compound expressed by the following formula (I) or a prodrug thereof or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: March 26, 2015
    Publication date: May 11, 2017
    Applicants: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Masatoshi HAGIWARA, Satoshi MOROOKA, Takamitsu HOSOYA, Suguru YOSHIDA
  • Patent number: 9645128
    Abstract: There has been a need for coelenterazine analogs that exhibit luminescence properties different from those of known coelenterazine analogs. The present invention provides the compound represented by general formula (1).
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: May 9, 2017
    Assignees: JNC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Satoshi Inouye, Yuiko Sahara, Rie Iimori, Takamitsu Hosoya
  • Publication number: 20170029389
    Abstract: Provided is a pain-related compound, a pain-related pharmaceutical composition, and use of the same. Provided in one or more embodiments is a compound represented by Formula (I), a prodrug of the same, or a pharmaceutically permissible salt of any of the same.
    Type: Application
    Filed: December 18, 2014
    Publication date: February 2, 2017
    Applicants: KYOTO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY, KAGOSHIMA UNIVERSITY
    Inventors: Masatoshi HAGIWARA, Masayasu TOYOMOTO, Takamitsu HOSOYA, Suguru YOSHIDA, Takashi KURIHARA
  • Patent number: 9422294
    Abstract: The invention aims in establishing a method for modifying biomolecules using a reaction that efficiently modifies biomolecules and is widely applicable. The invention thus provides a cyclic compound containing two triazole rings formed by adding and ligating an azide compound possessing an azido group to each of the two carbon-carbon triple bond sites of an eight-membered cyclic skeleton of a cyclic diyne compound by a double click reaction; a method for producing a cyclic compound using a double click reaction; and a method for modifying biomolecules.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: August 23, 2016
    Assignee: JNC CORPORATION
    Inventors: Takamitsu Hosoya, Isao Kii, Suguru Yoshida, Takeshi Matsushita
  • Publication number: 20160152620
    Abstract: A compound and a pharmaceutical composition for disease associated with an abnormal splice variant, use of the compound and the pharmaceutical composition, or a screening method of the compound and the pharmaceutical composition are provided. One or more embodiments disclose a compound expressed by the following formula (I) or (I?) or prodrugs or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: July 14, 2014
    Publication date: June 2, 2016
    Applicant: KYOTO UNIVERSITY
    Inventors: Masatoshi HAGIWARA, Suguru YOSHIDA, Takamitsu HOSOYA
  • Patent number: 9346767
    Abstract: Described include (1) a substituted pyrazine compound of general formula (VIII): and (2) a process for producing the substituted pyrazine compound of general formula (VIII), where R1 is hydrogen, a halogen, a substituted or unsubstituted hydrocarbon group, or a substituted or unsubstituted heterocyclic group, and R4 is a protecting group. The process comprises (1) the step of reacting 2-amino-3,5-dibromo-6-chloropyrazine with R1MgX and ZnCl2 in the presence of a palladium catalyst to produce a compound of general formula (V); (2) the step of reacting the compound of general formula (V) with a compound of general formula (VI) to produce a compound of general formula (VII); and (3) the step of reacting the compound of formula (VII) with tributyl(vinyl)tin in the presence or a palladium catalyst to given the compound of general formula (VIII).
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: May 24, 2016
    Assignees: JNC CORPORATION, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Satoshi Inouye, Yuiko Miura, Suguru Yoshida, Takamitsu Hosoya
  • Publication number: 20150344936
    Abstract: There has been a need for coelenterazine analogs that exhibit luminescence properties different from those of known coelenterazine analogs. The present invention provides the compound represented by general formula (1).
    Type: Application
    Filed: August 14, 2015
    Publication date: December 3, 2015
    Applicants: TOKYO INSTITUTE OF TECHNOLOGY, JNC CORPORATION
    Inventors: Satoshi INOUYE, Yuiko SAHARA, Rie IIMORI, Takamitsu HOSOYA
  • Patent number: 9151739
    Abstract: There has been a need for coelenterazine analogs that exhibit luminescence properties different from those of known coelenterazine analogs. The present invention provides the compound represented by general formula (1).
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: October 6, 2015
    Assignees: JNC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Satoshi Inouye, Yuiko Sahara, Rie Iimori, Takamitsu Hosoya
  • Publication number: 20150266833
    Abstract: A simple process for producing ?-coelenterazine compounds has been desired. Described is a process for producing a ?-coelenterazine compound represented by general formula (II) comprising (1) the step of reacting a compound of general formula (VIII) with a methyltriphenylphosphonium salt in the presence of a base to give a compound represented by general formula (IX), (2) the step of performing a ring-closing metathesis reaction on any one selected from the group consisting of the compound represented by general formula (IX) and a compound of general formula (X) which is the compound of general formula (IX) wherein the amino is protected with R5, and then deprotecting R4 and, if any, R5 to give a ?-coelenteramine compound represented by general formula (XIV), and (3) the step of reacting the compound of general formula (XIV) with a compound represented by general formula (XV) to give the compound of general formula (II).
    Type: Application
    Filed: June 9, 2015
    Publication date: September 24, 2015
    Inventors: Satoshi INOUYE, Yuiko MIURA, Suguru YOSHIDA, Takamitsu HOSOYA