Patents by Inventor Ryuichiro Ishitani

Ryuichiro Ishitani 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: 20240079099
    Abstract: An inferring device comprises one or more memories and one or more processors. The one or more processors execute decision of an action based on a tree representation including a node and an edge of a molecular graph, and a trained model trained through reinforcement learning, and execute generation of a state including information on the molecular graph based on the action, wherein the edge has connection information on the nodes.
    Type: Application
    Filed: November 10, 2023
    Publication date: March 7, 2024
    Applicant: Preferred Networks, Inc.
    Inventors: Ryuichiro ISHITANI, Toshiki KATAOKA
  • Publication number: 20240035007
    Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system. In particular the present invention comprehends optimized functional CRISPR-Cas enzyme systems.
    Type: Application
    Filed: December 27, 2022
    Publication date: February 1, 2024
    Applicants: The Broad Institute, Inc., Massachusetts Institute of Technology, University of Tokyo, President and Fellows of Harvard College
    Inventors: Silvana KONERMANN, Alexandro TREVINO, Mark BRIGHAM, Fei RAN, Patrick HSU, Chie-yu LIN, Osamu NUREKI, Hiroshi NISHIMASU, Ryuichiro ISHITANI, Feng ZHANG
  • Publication number: 20230196075
    Abstract: An inferring device includes one or more memories and one or more processors. The one or more processors are configured to generate information on a tree including information on a node and information on an edge from a latent representation by using a trained inference model; and generate a graph from the information on the tree. The information on the tree includes connection information on the nodes.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 22, 2023
    Applicant: Preferred Networks, Inc.
    Inventor: Ryuichiro ISHITANI
  • Publication number: 20230112275
    Abstract: An inferring device includes one or more memories and one or more processors. The one or more processors are configured to acquire a plurality of latent variables; generate a plurality of structural formulas by inputting the plurality of latent variables, respectively, in a model; and calculate a plurality of scores by evaluating the plurality of structural formulas, respectively. The one or more processors execute processing of the acquisition of the plurality of latent variables, the generation of the plurality of structural formulas, and the calculation of the plurality of scores, at least two times or more. The one or more processors acquire, based on the acquired plurality of latent variables and the calculated plurality of scores, the plurality of latent variables in any of the execution of at least second time or thereafter.
    Type: Application
    Filed: December 7, 2022
    Publication date: April 13, 2023
    Applicant: Preferred Networks, Inc.
    Inventors: Ryuichiro ISHITANI, Motoki ABE
  • Publication number: 20230095369
    Abstract: An inferring device includes one or more memories and one or more processors. The one or more processors are configured to acquire a latent variable; generate a structural formula by inputting the latent variable in a first model; and calculate a score with respect to the structural formula. The one or more processors execute processing of the acquisition of the latent variable, the generation of the structural formula, and the calculation of the score, at least two times or more, to generate the structural formula indicating the score higher than that of the structural formula generated at the execution of the first time.
    Type: Application
    Filed: December 7, 2022
    Publication date: March 30, 2023
    Applicant: Preferred Networks, Inc.
    Inventors: Motoki ABE, Mizuki TAKEMOTO, Ryuichiro ISHITANI, Keita ODA
  • Patent number: 11597919
    Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system. In particular the present invention comprehends optimized functional CRISPR-Cas enzyme systems.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: March 7, 2023
    Assignees: THE BROAD INSTITUTE INC., MASSACHUSETTS INSTITUTE OF TECHNOLOGY, PRESIDENT AND FELLOWS OF HARVARD COLLEGE, UNIVERSITY OF TOKYO
    Inventors: Silvana Konermann, Alexandro Trevino, Mark Brigham, Fei Ran, Patrick Hsu, Chie-yu Lin, Osamu Nureki, Hiroshi Nishimasu, Ryuichiro Ishitani, Feng Zhang
  • Patent number: 11155795
    Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: October 26, 2021
    Assignees: THE BROAD INSTITUTE, INC., MASSACHUSETTS INSTITUTE OF TECHNOLOGY, UNIVERSITY OF TOKYO
    Inventors: Feng Zhang, Osamu Nureki, Hiroshi Nishimasu, Ryuichiro Ishitani
  • Publication number: 20200115687
    Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system. In particular the present invention comprehends optimized functional CRISPR-Cas enzyme systems.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 16, 2020
    Inventors: Silvana KONERMANN, Alexandro TREVINO, Mark BRIGHAM, Fei RAN, Patrick HSU, Chie-yu LIN, Osamu NUREKI, Hiroshi NISHIMASU, Ryuichiro ISHITANI, Feng ZHANG
  • Publication number: 20200080067
    Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system.
    Type: Application
    Filed: July 19, 2019
    Publication date: March 12, 2020
    Applicants: The Broad Institute, Inc., Massachusetts Institute of Technology, University of Tokyo
    Inventors: Feng ZHANG, Osamu NUREKI, Hiroshi NISHIMASU, Ryuichiro ISHITANI
  • Patent number: 10550372
    Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system. In particular the present invention comprehends optimized functional CRISPR-Cas enzyme systems.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: February 4, 2020
    Assignees: The Broad Institute, Inc., Massachusetts Institute of Technology, University of Tokyo, President and Fellows of Harvard College
    Inventors: Silvana Konermann, Alexandro Trevino, Mark Brigham, Fei Ran, Patrick Hsu, Chie-yu Lin, Osamu Nureki, Hiroshi Nishimasu, Ryuichiro Ishitani, Feng Zhang
  • Patent number: 10189843
    Abstract: The present invention provides a compound of formula (1), wherein R1, R2, R3, R4a, R4b, R5a and R5b are as defined in the description, which has an autotaxin inhibitory activity, a pharmaceutical composition comprising the compound as an active ingredient, and a method of prevention or treatment of a disease involving autotaxin, which is characterized by administering the compound.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: January 29, 2019
    Assignees: THE UNIVERSITY OF TOKYO, TOHOKU UNIVERSITY, SHIONOGI & CO., LTD.
    Inventors: Tetsuo Nagano, Takayoshi Okabe, Hirotatsu Kojima, Mitsuyasu Kawaguchi, Osamu Nureki, Ryuichiro Ishitani, Hiroshi Nishimasu, Junken Aoki, Chiaki Fujikoshi, Manabu Katou, Masahide Odan, Nobuyuki Tanaka, Yusuke Tateno, Junji Yamane
  • Patent number: 10183949
    Abstract: A compound according to any one of formula (Ia) to (Ic), or its pharmaceutically acceptable salt: wherein R1, R2, R3, R4a, R4c, R5 are as defined in the description.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: January 22, 2019
    Assignees: THE UNIVERSITY OF TOKYO, TOHOKU UNIVERSITY, SHIONOGI & CO., LTD.
    Inventors: Tetsuo Nagano, Takayoshi Okabe, Hirotatsu Kojima, Mitsuyasu Kawaguchi, Osamu Nureki, Ryuichiro Ishitani, Hiroshi Nishimasu, Junken Aoki, Nobuyuki Tanaka, Yasuhiko Kanda, Yoshiyuki Kioi, Yusuke Tateno, Shiro Kida, Junji Yamane
  • Publication number: 20180201912
    Abstract: The present invention provides a protein comprising a sequence containing any one of the amino acid sequences of the following (a) to (f) and having RNA-guided DNA endonuclease activity.
    Type: Application
    Filed: July 14, 2016
    Publication date: July 19, 2018
    Applicant: The University of Tokyo
    Inventors: Osamu NUREKI, Hiroshi NISHIMASU, Hisato HIRANO, Ryuichiro ISHITANI
  • Publication number: 20170158704
    Abstract: A compound according to any one of formula (Ia) to (Ic), or its pharmaceutically acceptable salt: wherein R1, R2, R3, R4a, R4c, R5 are as defined in the description.
    Type: Application
    Filed: February 24, 2017
    Publication date: June 8, 2017
    Applicants: The University of Tokyo, TOHOKU UNIVERSITY, Shionogi & Co., Ltd.
    Inventors: Tetsuo NAGANO, Takayoshi OKABE, Hirotatsu KOJIMA, Mitsuyasu KAWAGUCHI, Osamu NUREKI, Ryuichiro ISHITANI, Hiroshi NISHIMASU, Junken AOKI, Nobuyuki TANAKA, Yasuhiko KANDA, Yoshiyuki KIOI, Yusuke TATENO, Shiro KIDA, Junji YAMANE
  • Publication number: 20160376278
    Abstract: The present invention provides a compound of formula (1), wherein R1, R2, R3, R4a, R4b, R5a and R5b are as defined in the description, which has an autotaxin inhibitory activity, a pharmaceutical composition comprising the compound as an active ingredient, and a method of prevention or treatment of a disease involving autotaxin, which is characterized by administering the compound.
    Type: Application
    Filed: February 26, 2015
    Publication date: December 29, 2016
    Applicants: The University of Tokyo, TOHOKU UNIVERSITY, Shionogi & Co., Ltd.
    Inventors: Tetsuo NAGANO, Takayoshi OKABE, Hirotatsu KOJIMA, Mitsuyasu KAWAGUCHI, Osamu NUREKI, Ryuichiro ISHITANI, Hiroshi NISHIMASU, Junken AOKI, Chiaki FUJIKOSHI, Manabu KATOU, Masahide ODAN, Nobuyuki TANAKA, Yusuke TATENO, Junji YAMANE
  • Publication number: 20160355797
    Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system. In particular the present invention comprehends optimized functional CRISPR-Cas enzyme systems.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 8, 2016
    Inventors: Silvana Konermann, Alexandro Trevino, Mark Brigham, Fei Ran, Patrick Hsu, Chie-yu Lin, Osamu Nureki, Hiroshi Nishimasu, Ryuichiro Ishitani, Feng Zhang
  • Publication number: 20160340660
    Abstract: The invention provides for systems, methods, and compositions for altering expression of target gene sequences and related gene products. Provided are structural information on the Cas protein of the CRISPR-Cas system, use of this information in generating modified components of the CRISPR complex, vectors and vector systems which encode one or more components or modified components of a CRISPR complex, as well as methods for the design and use of such vectors and components. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for utilizing the CRISPR-Cas system.
    Type: Application
    Filed: June 2, 2016
    Publication date: November 24, 2016
    Inventors: Feng Zhang, Osamu NUREKI, Hiroshi NISHIMASU, Ryuichiro ISHITANI
  • Publication number: 20160002247
    Abstract: A compound of formula (I) wherein variables are as defined herein having an autotaxin inhibitory effect and a pharmaceutical composition comprising the same.
    Type: Application
    Filed: February 27, 2014
    Publication date: January 7, 2016
    Applicants: THE UNIVERSITY OF TOKYO, TOHOKU UNIVERSITY, Shionogi & Co., Ltd.
    Inventors: Tetsuo NAGANO, Takayoshi OKABE, Hirotatsu KOJIMA, Mitsuyasu KAWAGUCHI, Osamu NUREKI, Ryuichiro ISHITANI, Hiroshi NISHIMASU, Junken AOKI, Nobuyuki TANAKA, Chiaki FUJIKOSHI, Yusuke TATENO, Toshihiro WADA
  • Patent number: 7514240
    Abstract: The present invention relates to a crystal of a complex of an epidermal growth factor (EGF) and an epidermal growth factor receptor (EGFR), a crystal of a complex of EGFR and a substance regulating EGFR activity, structure coordinates of these crystals, a method for screening for the substance regulating EGFR activity, a method for designing the substance regulating EGFR activity, a method for designing an EGFR variant or an EGF variant, a method for producing an EGFR variant or an EGF variant and an EGF variant or an EGFR variant obtainable by such method, a method for designing an epitope using the structure coordinates of the EGF-EGFR complex, a method for producing an anti-EGFR antibody or an anti-EGF antibody and an antibody obtainable by such method, a polypeptide or a salt thereof comprising a region that forms an EGFR dimerization site, and the like.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: April 7, 2009
    Assignees: Japan Science and Technology Agency, Riken, Mochida Pharmaceutical Co., Ltd.
    Inventors: Shigeyuki Yokoyama, Hideo Ogiso, Mikako Shirouzu, Osamu Nureki, Ryuichiro Ishitani, Kazuki Saito
  • Publication number: 20070032637
    Abstract: The present invention relates to a crystal of a complex of an epidermal growth factor (EGF) and an epidermal growth factor receptor (EGFR), a crystal of a complex of EGFR and a substance regulating EGFR activity, structure coordinates of these crystals, a method for screening for the substance regulating EGFR activity, a method for designing the substance regulating EGFR activity, a method for designing an EGFR variant or an EGF variant, a method for producing an EGFR variant or an EGF variant and an EGF variant or an EGFR variant obtainable by such method, a method for designing an epitope using the structure coordinates of the EGF-EGFR complex, a method for producing an anti-EGFR antibody or an anti-EGF antibody and an antibody obtainable by such method, a polypeptide or a salt thereof comprising a region that forms an EGFR dimerization site, and the like.
    Type: Application
    Filed: September 12, 2002
    Publication date: February 8, 2007
    Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Shigeyuki Yokoyama, Hideo Ogiso, Mikako Shirouzu, Osamu Nureki, Ryuichiro Ishitani, Kazuki Saito, Tomokazu Matsusue, Naoki Nakao, Hiroyuki Muramatsu, Mikihiko Shinozaki