Patents by Inventor Fumiyuki Shirai

Fumiyuki Shirai 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: 20230127046
    Abstract: A compound represented by the general formula (I) given below or a pharmacologically acceptable salt thereof has been found to have a strong G9a inhibitory effect. The compound (I) or the pharmacologically acceptable salt thereof inhibits G9a and thereby has high usefulness for the treatment, prevention or suppression of various pathological conditions (proliferative disease such as cancer, ?-globin abnormality, fibrosis, pain, neurodegenerative disease, Prader-Willi syndrome, malaria, viral infection, myopathy, autism, etc.).
    Type: Application
    Filed: November 26, 2020
    Publication date: April 27, 2023
    Applicants: RIKEN, TOKYO UNIVERSITY OF PHARMACY AND LIFE SCIENCES, MICROBIAL CHEMISTRY RESEARCH FOUNDATION
    Inventors: Tatsunobu SUMIYA, Yosuke NISHIGAYA, Ryosuke NAMIE, Noriaki HASHIMOTO, Akihiro ITO, Fumiyuki SHIRAI, Ko KIKUZATO, Minoru YOSHIDA
  • Patent number: 11566017
    Abstract: Provided is a cell proliferation inhibitor comprising a compound of the formula (1) or a pharmacologically acceptable salt thereof: wherein J1 and J2 each represent CH or N, with the proviso that J1 and J2 are not simultaneously CH; r represents 0 to 4; each R101 is the same or different when r is 2 or more, and R101 represents a C1-6 alkyl group optionally substituted with a halogen atom or the like; s represents 0 to 5; each R102 is the same or different when s is 2 or more, and R102 represents a halogen atom or the like; R103 represents a hydrogen atom, a C1-6 alkyl group, a C3-6 cycloalkyl group, or a C3-6 cycloalkyl C1-6 alkyl group; and R101 and R103 are optionally linked together to form a five- to seven-membered ring hetero ring when R101 is present at the 8-position.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: January 31, 2023
    Assignees: RIKEN, JAPANESE FOUNDATION FOR CANCER RESEARCH, KABUSHIKI KAISHA YAKULT HONSHA
    Inventors: Minoru Yoshida, Hiroyuki Seimiya, Yoko Yashiroda, Kenichi Washizuka, Fumiyuki Shirai, Nobuko Yoshimoto, Junichi Kazami
  • Publication number: 20230017537
    Abstract: The present invention aims to provide a novel compound having a high mPTP-opening inhibitory activity and/or a useful therapeutic effect on various diseases. An aspect of the present invention relates to a mitochondrial permeability transition pore (mPTP)-opening inhibitor, a medicament or a pharmaceutical composition comprising a compound represented by formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are the same as defined in the specification and the claims, a stereoisomer thereof, a prodrug thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, as an active ingredient. Another aspect of the present invention relates to a compound represented by formula (Ia), wherein R1a, R2, R3, R4, R5, R6, R7, R8, R9, R10 and R11 are the same as defined in the specification and the claims, a stereoisomer thereof, a prodrug thereof, or a salt thereof, or a solvate thereof.
    Type: Application
    Filed: June 17, 2020
    Publication date: January 19, 2023
    Applicant: RIKEN
    Inventors: Tadafumi KATO, Mie SAKASHITA, Hirochika KAWAKAMI, Ko KIKUZATO, Fumiyuki SHIRAI
  • Patent number: 11414429
    Abstract: Provided are 2-(piperidin-1-yl)pyrimidin-4(3H)-ones or pharmaceutically acceptable salts thereof, each characterized by having a 1,8-diazaspiro[4.5]deca-3-ene, 1-oxa-8-azaspiro[4.5]deca-3-ene, 2,8-diazaspiro[4.5]deca-3-ene, 2-oxa-8-azaspiro[4.5]deca-3-ene, 2,9-diazaspiro[5.5]undeca-3-ene, 1-oxa-9-azaspiro[5.5]undeca-3-ene, 1,9-diazaspiro[5.5]undeca-4-ene, or 3,9-diazaspiro[5.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: August 16, 2022
    Assignees: RIKEN, JAPANESE FOUNDATION FOR CANCER RESEARCH, KABUSHIKI KAISHA YAKULT HONSHA
    Inventors: Minoru Yoshida, Hiroyuki Seimiya, Masayuki Okue, Yoko Yashiroda, Fumiyuki Shirai, Takeshi Tsumura, Yuko Kano, Kenichi Washizuka, Nobuko Yoshimoto, Yasuko Kouda, Takehiro Fukami, Tsubasa Chikada, Takashi Watanabe
  • Publication number: 20210061789
    Abstract: Provided is a cell proliferation inhibitor comprising a compound of the formula (1) or a pharmacologically acceptable salt thereof: wherein J1 and J2 each represent CH or N, with the proviso that J1 and J2 are not simultaneously CH; r represents 0 to 4; each R101 is the same or different when r is 2 or more, and R101 represents a C1-6 alkyl group optionally substituted with a halogen atom or the like; s represents 0 to 5; each R102 is the same or different when s is 2 or more, and R102 represents a halogen atom or the like; R103 represents a hydrogen atom, a C1-6 alkyl group, a C3-6 cycloalkyl group, or a C3-6 cycloalkyl C1-6 alkyl group; and R101 and R103 are optionally linked together to form a five- to seven-membered ring hetero ring when R101 is present at the 8-position.
    Type: Application
    Filed: December 26, 2018
    Publication date: March 4, 2021
    Applicants: RIKEN, JAPANESE FOUNDATION FOR CANCER RESEARCH, KABUSHIKI KAISHA YAKULT HONSHA
    Inventors: Minoru YOSHIDA, Hiroyuki SEIMIYA, Yoko YASHIRODA, Kenichi WASHIZUKA, Fumiyuki SHIRAI, Nobuko YOSHIMOTO, Junichi KAZAMI
  • Publication number: 20210060016
    Abstract: To provide an anticancer agent for preventing and/or treating cancer, comprising a tankyrase inhibitor containing a tankyrase inhibitory compound and a microtubule inhibitor containing a microtubule inhibitory compound as active ingredients.
    Type: Application
    Filed: December 26, 2018
    Publication date: March 4, 2021
    Applicants: JAPANESE FOUNDATION FOR CANCER RESEARCH, RIKEN, KABUSHIKI KAISHA YAKULT HONSHA
    Inventors: Hiroyuki SEIMIYA, Minoru YOSHIDA, Yoko YASHIRODA, Yukiko MURAMATSU, Fumiyuki SHIRAI, Kenichi WASHIZUKA
  • Publication number: 20200172554
    Abstract: Provided are 2-(piperidin-1-yl)pyrimidin-4(3H)-ones or pharmaceutically acceptable salts thereof, each characterized by having a 1,8-diazaspiro[4.5]deca-3-ene, 1-oxa-8-azaspiro[4.5]deca-3-ene, 2,8-diazaspiro[4.5]deca-3-ene, 2-oxa-8-azaspiro[4.5]deca-3-ene, 2,9-diazaspiro[5.5]undeca-3-ene, 1-oxa-9-azaspiro[5.5]undeca-3-ene, 1,9-diazaspiro[5.5]undeca-4-ene, or 3,9-diazaspiro[5.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 4, 2020
    Applicants: RIKEN, JAPANESE FOUNDATION FOR CANCER RESEARCH
    Inventors: Minoru YOSHIDA, Hiroyuki SEIMIYA, Masayuki OKUE, Yoko YASHIRODA, Fumiyuki SHIRAI, Takeshi TSUMURA, Yuko KANO, Kenichi WASHIZUKA, Nobuko YOSHIMOTO, Yasuko KOUDA, Takehiro FUKAMI, Tsubasa CHIKADA, Takashi WATANABE
  • Patent number: 9585889
    Abstract: On the basis of a cathepsin S inhibitory effect, an excellent agent for treating or preventing autoimmune disease, allergic disease, graft rejection of an organ, bone marrow or tissue, systemic lupus erythematosus, or the like is provided. It was found that a nitrogen-containing bicyclic heterocyclic compound has an excellent cathepsin S inhibitory effect, thereby completing the invention. The compound of the present invention has an cathepsin S inhibitory effect, and can be used as an agent for preventing and/or treating autoimmune disease, allergic disease, graft rejection of an organ, bone marrow or tissue, systemic lupus erythematosus, or the like.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: March 7, 2017
    Assignee: Astellas Pharma Inc.
    Inventors: Yutaka Nakajima, Sunao Imada, Yuji Takasuna, Naohiro Aoyama, Takahiro Nigawara, Shohei Shirakami, Fumiyuki Shirai, Junji Sato, Keita Nakanishi, Kaori Kubo
  • Publication number: 20160228442
    Abstract: On the basis of a cathepsin S inhibitory effect, an excellent agent for treating or preventing autoimmune disease, allergic disease, graft rejection of an organ, bone marrow or tissue, systemic lupus erythematosus, or the like is provided. It was found that a nitrogen-containing bicyclic heterocyclic compound has an excellent cathepsin S inhibitory effect, thereby completing the invention. The compound of the present invention has an cathepsin S inhibitory effect, and can be used as an agent for preventing and/or treating autoimmune disease, allergic disease, graft rejection of an organ, bone marrow or tissue, systemic lupus erythematosus, or the like.
    Type: Application
    Filed: February 8, 2016
    Publication date: August 11, 2016
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Yutaka Nakajima, Sunao Imada, Yuji Takasuna, Naohiro Aoyama, Takahiro Nigawara, Shohei Shirakami, Fumiyuki Shirai, Junji Sato, Keita Nakanishi, Kaori Kubo
  • Patent number: 9328118
    Abstract: [Problem] On the basis of a cathepsin S inhibitory effect, an excellent agent for treating or preventing autoimmune disease, allergic disease, graft rejection of an organ, bone marrow or tissue, systemic lupus erythematosus, or the like is provided. [Means for Solution] It was found that a nitrogen-containing bicyclic heterocyclic compound has the excellent cathepsin S inhibitory effect, thereby completing the invention. The compound of the present invention has the cathepsin S inhibitory effect, and can be used as an agent for preventing and/or treating autoimmune disease, allergic disease, graft rejection of an organ, bone marrow or tissue, systemic lupus erythematosus, or the like.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: May 3, 2016
    Assignee: Astellas Pharma Inc.
    Inventors: Yutaka Nakajima, Sunao Imada, Yuji Takasuna, Naohiro Aoyama, Takahiro Nigawara, Shohei Shirakami, Fumiyuki Shirai, Junji Sato, Keita Nakanishi, Kaori Kubo
  • Publication number: 20150126488
    Abstract: [Problem] On the basis of a cathepsin S inhibitory effect, an excellent agent for treating or preventing autoimmune disease, allergic disease, graft rejection of an organ, bone marrow or tissue, systemic lupus erythematosus, or the like is provided. [Means for Solution] It was found that a nitrogen-containing bicyclic heterocyclic compound has the excellent cathepsin S inhibitory effect, thereby completing the invention. The compound of the present invention has the cathepsin S inhibitory effect, and can be used as an agent for preventing and/or treating autoimmune disease, allergic disease, graft rejection of an organ, bone marrow or tissue, systemic lupus erythematosus, or the like.
    Type: Application
    Filed: April 17, 2013
    Publication date: May 7, 2015
    Applicant: ASTELLAS PHARMA INC
    Inventors: Yutaka Nakajima, Sunao Imada, Yuji Takasuna, Naohiro Aoyama, Takahiro Nigawara, Shohei Shirakami, Fumiyuki Shirai, Junji Sato, Keita Nakanishi, Kaori Kubo
  • Patent number: 7750155
    Abstract: This invention relates to novel N-hydroxyacrylamide compounds of formula (I) and pharmaceutically acceptable salts thereof. More particularly, it relates to novel N-hydroxyacrylamide compounds and pharmaceutically acceptable salts thereof which act as a HDAC inhibitor, to a pharmaceutical composition comprising the same and to a method of using the same therapeutically in the treatment and/or prevention of HDAC-related disease.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: July 6, 2010
    Assignee: Astellas Pharma Inc.
    Inventors: Fumiyuki Shirai, Hideo Tsutsumi, Hiromichi Itani, Yoshihiro Kozuki, Yoshiteru Eikyu, Taro Masunaga
  • Publication number: 20100069388
    Abstract: A compound having the following formula (I): wherein —R1 is hydrogen, optionally substituted lower alkyl, cyclo(lower)alkyl, cyclo(higher)alkyl, optionally substituted aryl, optionally substituted heterocyclyl, or aryl-fused cyclo(lower)alkyl, R2 is hydrogen or halogen, Z is CH or N, X is formula (II) R3 is lower alkyl which may be substituted with —OH or optionally substituted aryl, or lower alkanoyl, R4 is hydrogen or lower alkyl, Y is optionally substituted lower alkylene, or a salt thereof. The compound is useful as a histone deacetylase inhibitor.
    Type: Application
    Filed: December 14, 2007
    Publication date: March 18, 2010
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Yoshikazu Inoue, Yoshiteru Eikyu, Fumiyuki Shirai
  • Patent number: 7557127
    Abstract: Compounds having the formula (I): wherein R1 is hydrogen, lower alkyl, lower alkenyl, lower or higher alkynyl, cyclo(lower)alkyl, cyclo(higher)alkyl, cyclo(lower)alkyl(lower)alkyl, cyclo(higher)alkyl(lower)alkyl, cyclo(lower)alkenyl(lower)alkyl, aryl-fused cyclo(lower)alkyl, lower alkoxy, acyl, aryl, ar(lower)alkoxy, ar(lower)alkyl, heteroar(lower)alkyl, amino, heteroaryl, heterocyclyl or heterocyclyl(lower)alkyl, which may be substituted with one or more suitable substituent(s), R2 is hydrogen or lower alkyl, X is pyrrolidinylene or piperidinylene, Y is pyridylene, which may be substituted with one or more suitable substituent(s), Z is lower alkenylene, which may be substituted with lower alkyl or halogen, and salts thereof are useful as a histone deacetylase inhibitors.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: July 7, 2009
    Assignee: Astellas Pharma Inc.
    Inventors: Naoki Ishibashi, Yuki Sawada, Yasuharu Urano, Shigeki Satoh, Yoshikazu Inoue, Yoshiteru Eikyu, Koichiro Mukoyoshi, Kazunori Kamijo, Fumiyuki Shirai, Hisashi Takasugi
  • Publication number: 20090054464
    Abstract: Compounds having the formula (I): wherein R1 is hydrogen, lower alkyl, lower alkenyl, lower or higher alkynyl, cyclo(lower)alkyl, cyclo(higher)alkyl, cyclo(lower)alkyl(lower)alkyl, cyclo(higher)alkyl(lower)alkyl, cyclo(lower)alkenyl(lower)alkyl, aryl-fused cyclo(lower)alkyl, lower alkoxy, acyl, aryl, ar(lower)alkoxy, ar(lower)alkyl, heteroar(lower)alkyl, amino, heteroaryl, heterocyclyl or heterocyclyl(lower)alkyl, which may be substituted with one or more suitable substituent(s), R2 is hydrogen or lower alkyl, X is pyrrolidinylene or piperidinylene, Y is pyridylene, which may be substituted with one or more suitable substituent(s), Z is lower alkenylene, which may be substituted with lower alkyl or halogen, and salts thereof are useful as a histone deacetylase inhibitors.
    Type: Application
    Filed: November 4, 2008
    Publication date: February 26, 2009
    Applicant: Astellas Pharma Inc.
    Inventors: Naoki ISHIBASHI, Yuki SAWADA, Yasuharu URANO, Shigeki SATOH, Yoshikazu INOUE, Yoshiteru EIKYU, Koichiro MUKOYOSHI, Kazunori KAMIJO, Fumiyuki SHIRAI, Hisashi TAKASUGI
  • Publication number: 20090054465
    Abstract: This invention relates to novel N-hydroxyacrylamide compounds of formula (I) and pharmaceutically acceptable salts thereof. More particularly, it relates to novel N-hydroxyacrylamide compounds and pharmaceutically acceptable salts thereof which act as a HDAC inhibitor, to a pharmaceutical composition comprising the same and to a method of using the same therapeutically in the treatment and/or prevention of HDAC-related disease.
    Type: Application
    Filed: February 6, 2007
    Publication date: February 26, 2009
    Applicant: Astella Pharma Inc.
    Inventors: Fumiyuki Shirai, Hideo Tsutsumi, Hiromichi Itani, Yoshihiro Kozuki, Yoshiteru Eikyu, Taro Masunaga
  • Patent number: 7465731
    Abstract: A compound having the formula (I): wherein R1 is hydrogen, lower alkyl, lower alkenyl, lower or higher alkynyl, cyclo(lower)alkyl, cyclo(higher)alkyl, cyclo(lower)alkyl(lower)alkyl, cyclo(higher)alkyl(lower)alkyl, cyclo(lower)alkenyl(lower)alkyl, aryl-fused cyclo(lower)alkyl, lower alkoxy, acyl, aryl, ar(lower)alkoxy, ar(lower)alkyl, heteroar(lower)alkyl, amino, heteroaryl, heterocyclyl or heterocyclyl(lower)alkyl, which may be substituted with one or more suitable substituent(s), R2 is hydrogen or lower alkyl, X is arylene, heterorarylene, cycloalkylene, heterocycloalkylene or aryl-fused cycloalkene, Y is arylene, heteroarylene, which may be substituted with one or more suitable substituent(s), Z lower alenylene, which may be substituted with lower alkyl or halogen, or a salt thereof. The compound is useful as a histone deacetylase inhibitor.
    Type: Grant
    Filed: August 9, 2005
    Date of Patent: December 16, 2008
    Assignee: Astellas Pharma Inc.
    Inventors: Naoki Ishibashi, Yuki Sawada, Yasuharu Urano, Shigeki Satoh, Yoshikazu Inoue, Yoshiteru Eikyu, Koichiro Mukoyoshi, Kazunori Kamijo, Fumiyuki Shirai, Hisashi Takasugi
  • Publication number: 20070112037
    Abstract: A compound of the formula (I): wherein R1 is hydrogen or lower alkyl; R2 is lower alkyl, etc.; R3 is lower alkoxy, etc.; R4 is hydroxy, etc.; X is O, S, etc.; Y is CH or N; Z is lower alkylene or lower alkenylene; and m is 0 or 1; or salts thereof, which are useful as a medicament.
    Type: Application
    Filed: December 13, 2006
    Publication date: May 17, 2007
    Applicant: FUJISAWA PHARMACEUTICAL CO., LTD.
    Inventors: Fumiyuki SHIRAI, Hidenori Azami, Natsuko Kayakiri, Kazuo Okumura, Katsuya Nakamura
  • Patent number: 7183306
    Abstract: A compound of the formula (I): wherein R1 is hydrogen or lower alkyl; R2 is lower alkyl, etc.; R3 is lower alkoxy, etc.; R4 is hydroxy, etc.; X is O, S, etc.; Y is CH or N; Z is lower alkylene or lower alkenylene; and m is 0 or 1; or salts thereof, which are useful as a medicament.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: February 27, 2007
    Assignee: Astellas Pharma Inc.
    Inventors: Fumiyuki Shirai, Hidenori Azami, Natsuko Kayakiri, Kazuo Okumura, Katsuya Nakamura
  • Publication number: 20060052599
    Abstract: A compound having the following formula (I): wherein R1 is hydrogen, lower alkyl, lower alkenyl, lower or higher alkynyl, cyclo(lower)alkyl, cyclo(higher)alkyl, cyclo(lower)alkyl(lower)alkyl, cyclo(higher)alkyl(lower)alkyl, cyclo(lower)alkenyl(lower)alkyl, aryl-fused cyclo(lower)alkyl, lower alkoxy, acyl, aryl, ar(lower)alkoxy, ar(lower)alkyl, heteroar(lower) alkyl, amino, heteroaryl, heterocyclyl or heterocyclyl(lower)alkyl, which may be substituted with one or more suitable substituent(s), R2 is hydrogen or lower alkyl, X is arylene, heteroarylene, cycloalkylene, heterocycloalkylene or aryl-fused cycloalkylene, Y is arylene or heteroarylene, which may be substituted with one or more suitable substituent(s), Z is lower alkenylene, which may be substituted with lower alkyl or halogen, or a salt thereof. The compound is useful as a histone deacetylase inhibitor.
    Type: Application
    Filed: August 9, 2005
    Publication date: March 9, 2006
    Applicant: Astellas Pharma Inc.
    Inventors: Naoki Ishibashi, Yuki Sawada, Yasuharu Urano, Shigeki Satoh, Yoshikazu Inoue, Yoshiteru Eikyu, Koichiro Mukoyoshi, Kazunori Kamijo, Fumiyuki Shirai, Hisashi Takasugi