Patents by Inventor Yoshitaka Satoh

Yoshitaka Satoh 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: 11028093
    Abstract: Compounds of Formula I: and stereoisomers and pharmaceutically acceptable salts and solvates thereof in which R1, R2, R3 and R4 have the meanings given in the specification, are inhibitors of one or more JAK kinases and are useful in the treatment of JAK kinase-associated diseases and disorders, such as autoimmune diseases, inflammatory diseases, rejection of transplanted organs, tissues and cells, as well as hematologic disorders and malignancies and their co-morbidities.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: June 8, 2021
    Assignees: ARRAY BIOPHARMA INC., CELGENE CORPORATION
    Inventors: Shelley Allen, Mark Laurence Boys, Mark J. Chicarelli, Jay Bradford Fell, John P. Fischer, John Gaudino, Erik James Hicken, Ronald Jay Hinklin, Christopher F. Kraser, Ellen Laird, John E. Robinson, Tony P. Tang, Laurence E. Burgess, Robert Andrew Rieger, Jed Pheneger, Yoshitaka Satoh, Katerina Leftheris, Raj K. Raheja, Brydon L. Bennett
  • Publication number: 20210114992
    Abstract: Provided herein are Diaminopyrimidine Compounds having the following structures: wherein R1, R2, R3, and R4 are as defined herein, compositions comprising an effective amount of a Diaminopyrimidine Compound, and methods for treating or preventing liver fibrotic disorders or a condition treatable or preventable by inhibition of a JNK pathway.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Inventors: Mercedes Delgado, Jan Elsner, Paul Erdman, Robert Hilgraf, Mark A. Nagy, Stephen Norris, David A. Paisner, Yoshitaka Satoh, Marianne Sloss, Jayashree Tikhe, Won Hyung Yoon
  • Publication number: 20210101865
    Abstract: The present provides a method for producing methionine which is characterized by a crystallization step in which carbon dioxide is introduced into a reaction solution containing an alkali salt of methionine which is obtained by hydrolyzing 5-[2-(methylthio)ethyl] imidazoline-2,4-dione in the presence of an alkali compound, thereby precipitating the methionine, and further comprises a step of adding waste methionine to the reaction solution. The method of production of the present invention can improve a yield in the production of methionine.
    Type: Application
    Filed: April 27, 2018
    Publication date: April 8, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshitaka SATOH, Norihito OMOTO, Yoshiyuki KOIZUMI, Naoya YAMASHIRO, Ryousuke KATAGAMI
  • Patent number: 10919865
    Abstract: Provided herein are Diaminopyrimidine Compounds having the following structures: wherein R1, R2, R3, and R4 are as defined herein, compositions comprising an effective amount of a Diaminopyrimidine Compound, and methods for treating or preventing liver fibrotic disorders or a condition treatable or preventable by inhibition of a JNK pathway.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: February 16, 2021
    Assignee: SIGNAL PHARMACEUTICALS, LLC
    Inventors: Mercedes Delgado, Jan Elsner, Paul Erdman, Robert Hilgraf, Mark A. Nagy, Stephen Norris, David A. Paisner, Yoshitaka Satoh, Marianne Sloss, Jayashree Tikhe, Won Hyung Yoon
  • Publication number: 20210040246
    Abstract: A latex of an acid-modified conjugated diene polymer including the acid-modified conjugated diene polymer obtained by modifying a conjugated diene polymer with an acid group-containing compound, in which a content of a structural unit derived from the acid group-containing compound is 0.2 to 0.7 parts by weight with respect to 100 parts by weight of the acid-modified conjugated diene polymer; a content of a water-soluble polymer in the latex is 2 parts by weight or less with respect to 100 parts by weight of the acid-modified conjugated diene polymer; when a solids content of the latex is adjusted to 60 wt %, a viscosity at 25° C. is 800 mPa·s or less; and when the solids content of the latex is adjusted to 50 wt %, the viscosity at 25° C. is 300 mPa·s or less.
    Type: Application
    Filed: February 22, 2019
    Publication date: February 11, 2021
    Applicant: ZEON CORPORATION
    Inventors: Yoshitaka SATOH, Hidetake ISHII, Junji KODEMURA
  • Publication number: 20210017129
    Abstract: An object of the present invention is to provide a refined methionine production method capable of achieving an improvement in washing efficiency. This production method is a method for producing refined methionine from a slurry of crude methionine and comprises (1) a step of separating the slurry of crude methionine into solid and liquid by using a continuous filter, (2) a step of spraying preliminary washing water on a crude cake obtained by separating the slurry of crude methionine into solid and liquid to wash the crude cake, and (3) a step of mixing a semi-refined cake obtained by spraying preliminary washing water on the crude cake to wash the crude cake with finishing washing water to wash the semi-refined cake.
    Type: Application
    Filed: December 25, 2018
    Publication date: January 21, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Naoya YAMASHIRO, Akira MORIMOTO, Yoshitaka SATOH
  • Patent number: 10829447
    Abstract: The present invention provides a method for producing methionine characterized by comprising a step of hydrolyzing 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione in the presence of an alkali compound to obtain a reaction solution containing an alkali salt of methionine, a step of precipitating methionine by introducing carbon dioxide into the reaction solution to obtain a first slurry containing the methionine, a step of allowing the first slurry to flow into a pressurized filter and obtaining the solid methionine and mother liquor from the first slurry, and a step of recovering carbon dioxide from the mother liquor. By the present production method, the carbon dioxide introduced in the crystallization step is suppressed from being released from the mother liquor, and the carbon dioxide can be recovered.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: November 10, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Norihito Omoto, Yoshitaka Satoh, Masayuki Morikawa, Yoshiyuki Koizumi, Naoya Yamashiro, Ryousuke Katagami
  • Publication number: 20200299464
    Abstract: A method for producing a polymer latex includes: a preparation step of reducing the weight average molecular weight of a conjugated diene polymer (A) by 20 to 70 mass %, thereby obtaining an organic solvent solution containing a conjugated diene polymer (B) having a weight average molecular weight lower than that of the conjugated diene polymer (A); and an emulsification step of emulsifying the organic solvent solution in water in the presence of a surfactant, thereby obtaining a polymer latex.
    Type: Application
    Filed: October 4, 2018
    Publication date: September 24, 2020
    Applicant: ZEON CORPORATION
    Inventors: Junji KODEMURA, Yoshitaka SATOH
  • Publication number: 20200291039
    Abstract: Compounds of Formula I: and stereoisomers and pharmaceutically acceptable salts and solvates thereof in which R1, R2, R3 and R4 have the meanings given in the specification, are inhibitors of one or more JAK kinases and are useful in the treatment of JAK kinase-associated diseases and disorders, such as autoimmune diseases, inflammatory diseases, rejection of transplanted organs, tissues and cells, as well as hematologic disorders and malignancies and their co-morbidities.
    Type: Application
    Filed: June 2, 2020
    Publication date: September 17, 2020
    Applicants: Array BioPharma Inc., Celgene Corporation
    Inventors: Shelley Allen, Mark Laurence Boys, Mark J. Chicarelli, Jay Bradford Fell, John P. Fischer, John Gaudino, Erik James Hicken, Ronald Jay Hinklin, Christopher F. Kraser, Ellen Laird, John E. Robinson, Tony P. Tang, Laurence E. Burgess, Robert Andrew Rieger, Jed Pheneger, Yoshitaka Satoh, Katerina Leftheris, Raj K. Raheja, Brydon L. Bennett
  • Patent number: 10774201
    Abstract: A latex of a synthetic rubber, wherein the content rate of a particle having a particle size of 5 ?m or more in a particle size distribution of a synthetic rubber particle included in the latex, as determined on a number basis, is less than 3,000 ppm by weight. A latex of a synthetic rubber is excellent in mechanical stability and can provide a film molded article such as a dip molded article excellent in tensile strength and elongation.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: September 15, 2020
    Assignee: ZEON CORPORATION
    Inventors: Yoshitaka Satoh, Junji Kodemura
  • Patent number: 10730880
    Abstract: Compounds of Formula I: and stereoisomers and pharmaceutically acceptable salts and solvates thereof in which R1, R2, R3 and R4 have the meanings given in the specification, are inhibitors of one or more JAK kinases and are useful in the treatment of JAK kinase-associated diseases and disorders, such as autoimmune diseases, inflammatory diseases, rejection of transplanted organs, tissues and cells, as well as hematologic disorders and malignancies and their co-morbidities.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: August 4, 2020
    Assignees: Array BioPharma Inc., Celgene Corporation
    Inventors: Shelley Allen, Mark Laurence Boys, Mark J. Chicarelli, Jay Bradford Fell, John P. Fischer, John Gaudino, Erik James Hicken, Ronald Jay Hinklin, Christopher F. Kraser, Ellen Laird, John E. Robinson, Tony P. Tang, Laurence E. Burgess, Robert Andrew Rieger, Jed Pheneger, Yoshitaka Satoh, Katerina Leftheris, Raj K. Raheja, Brydon L. Bennett
  • Publication number: 20200140379
    Abstract: The present invention provides a method for producing methionine which is characterized by comprising (1) a reaction step: a step of hydrolyzing 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione in the presence of an alkali compound to obtain a reaction solution containing an alkali salt of methionine, (2) a first crystallizing step: a step of introducing carbon dioxide into the reaction solution and precipitating methionine from the reaction solution to obtain the first crystal of methionine and the first crystal mother liquor, and (3) a second crystallizing step: a step in which after obtaining a slurry which contains precipitates containing the second crystals of methionine precipitated by introducing carbon dioxide to the first crystal mother liquor and the slurry was subjected to centrifugation to separate the second crystal of methionine and the second crystal mother liquor by a solid-liquid separation, and the precipitate remained in the obtained second crystal mother liquor is separated using a filter.
    Type: Application
    Filed: April 27, 2018
    Publication date: May 7, 2020
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Norihito OMOTO, Yoshitaka SATOH, Masayuki MORIKAWA, Yoshiyuki KOIZUMI, Naoya YAMASHIRO, Ryousuke KATAGAMI
  • Patent number: 10625493
    Abstract: A sealant film used by being laminated on a substrate includes a sealing layer including a first polyolefin resin and an antifogging agent and a first resin layer including 10% to 40% by mass of a cyclic polyolefin resin and 60% to 90% by mass of a second polyolefin resin, wherein the second polyolefin resin is not a cyclic polyolefin resin. The first resin layer is disposed on a surface of the sealing layer, and has a phase-separated structure in which the cyclic polyolefin resin is dispersed in the form of a layer in the second polyolefin resin.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: April 21, 2020
    Assignee: DIC Corporation
    Inventors: Hiroaki Matsubara, Tatsuhiko Usui, Yoshitaka Satoh
  • Publication number: 20200079730
    Abstract: The present invention provides a method for producing methionine characterized by comprising a step of hydrolyzing 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione in the presence of an alkali compound to obtain a reaction solution containing an alkali salt of methionine, a step of precipitating methionine by introducing carbon dioxide into the reaction solution to obtain a first slurry containing the methionine, a step of allowing the first slurry to flow into a pressurized filter and obtaining the solid methionine and mother liquor from the first slurry, and a step of recovering carbon dioxide from the mother liquor. By the present production method, the carbon dioxide introduced in the crystallization step is suppressed from being released from the mother liquor, and the carbon dioxide can be recovered.
    Type: Application
    Filed: April 27, 2018
    Publication date: March 12, 2020
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Norihito OMOTO, Yoshitaka SATOH, Masayuki MORIKAWA, Yoshiyuki KOIZUMI, Naoya YAMASHIRO, Ryousuke KATAGAMI
  • Publication number: 20200062873
    Abstract: A synthetic polyisoprene latex containing synthetic polyisoprene, wherein the synthetic polyisoprene constituting the synthetic polyisoprene latex includes a low-molecular weight synthetic isoprene chain having a molecular weight of less than 1,000,000 at a content rate of 10 to 70% by weight and a high-molecular weight synthetic isoprene chain having a molecular weight of 1,000,000 or more at a content rate of 30 to 90% by weight. Also, a method for producing the synthetic polyisoprene latex, wherein the synthetic polyisoprene containing the low-molecular weight synthetic isoprene chain and the high-molecular weight synthetic isoprene chain is obtained by polymerizing a monomer containing isoprene in an organic solvent by use of an organic alkali metal catalyst.
    Type: Application
    Filed: November 2, 2017
    Publication date: February 27, 2020
    Applicant: ZEON CORPORATION
    Inventors: Junji KODEMURA, Shunjin AIHARA, Yoshitaka SATOH
  • Publication number: 20200062936
    Abstract: A method for producing a synthetic polyisoprene latex, including a step of mixing a latex of synthetic polyisoprene (A) synthesized by use of a Ziegler type catalyst and a latex of synthetic polyisoprene (B) synthesized by use of an organic alkali metal catalyst at a weight ratio of “synthetic polyisoprene (A): synthetic polyisoprene (B)=10:90 to 90:10”. In the method, preferably, the weight average molecular weight of the synthetic polyisoprene (A) is 100,000 to 3,000,000 and the weight average molecular weight of the synthetic polyisoprene (B) is 1,000,000 to 5,000,000.
    Type: Application
    Filed: November 2, 2017
    Publication date: February 27, 2020
    Applicant: ZEON CORPORATION
    Inventors: Junji KODEMURA, Shunjin AIHARA, Yoshitaka SATOH
  • Publication number: 20200010651
    Abstract: A method for producing a polymer latex, includes a step of emulsifying a polymer solution of a synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer, in water in the presence of a rosin and/or a rosin metal salt, thereby obtaining an emulsified liquid, wherein the rosin and/or the rosin metal salt to be used have/has a total content rate of abietic acid, neoabietic acid and palustric acid, and salts thereof, of 5% by weight or less.
    Type: Application
    Filed: November 2, 2017
    Publication date: January 9, 2020
    Applicant: ZEON CORPORATION
    Inventors: Shunjin AIHARA, Junji KODEMURA, Yoshitaka SATOH
  • Publication number: 20190367687
    Abstract: A method for producing a synthetic rubber, the method including: an emulsification step of continuously feeding a solution or a dispersion of a synthetic rubber obtained by dissolving or dispersing the synthetic rubber in an organic solvent and an aqueous solution of an emulsifier to a mixer and mixing to continuously obtain an emulsion; a first removal step of removing the organic solvent from the emulsion continuously obtained in the emulsification step in a container while the emulsion is continuously transferred to the container regulated to a pressure condition of 700 to 760 mmHg; and a second removal step of removing the organic solvent from the emulsion that has undergone the first removal step under a pressure of less than 700 mmHg.
    Type: Application
    Filed: February 9, 2018
    Publication date: December 5, 2019
    Applicant: ZEON CORPORATION
    Inventors: Junji KODEMURA, Yoshitaka SATOH
  • Publication number: 20190276170
    Abstract: A method of producing a packaging structure, including the steps: coating at least one surface of a first sheet base material and/or a second sheet base material with a synthetic polyisoprene latex having a weight average molecular weight of 500,000 -5,000,000 and/or a styrene-isoprene-styrene block copolymer having a weight average molecular weight of 100,000-300,000, sandwiching an article to be packaged in a state wherein the first and second sheet base material are in contact with each other via a latex coated surface formed on the first and/or second sheet base material to thereby obtain a laminated body, pressing a portion where at least the first and second sheet base material of the laminated body are in contact with each other via the latex coated surface at a temperature of 100° C. or less to thereby obtain a pressed laminated body, and performing a sterilization treatment on the pressed laminated body.
    Type: Application
    Filed: September 19, 2017
    Publication date: September 12, 2019
    Applicant: ZEON CORPORATION
    Inventor: Yoshitaka SATOH
  • Publication number: 20190194144
    Abstract: Provided herein are Diaminopyrimidine Compounds having the following structures: wherein R1, R2, R3, and R4 are as defined herein, compositions comprising an effective amount of a Diaminopyrimidine Compound, and methods for treating or preventing liver fibrotic disorders or a condition treatable or preventable by inhibition of a JNK pathway.
    Type: Application
    Filed: March 4, 2019
    Publication date: June 27, 2019
    Inventors: Mercedes Delgado, Jan Elsner, Paul Erdman, Robert Hilgraf, Mark A. Nagy, Stephen Norris, David A. Paisner, Yoshitaka Satoh, Marianne Sloss, Jayashree Tikhe, Won Hyung Yoon