Patents by Inventor Masayuki Sugiki

Masayuki Sugiki 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: 11851688
    Abstract: The present invention provides a 2-OST mutant exhibiting a high activity.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: December 26, 2023
    Assignee: AJINOMOTO CO., INC.
    Inventors: Chihiro Tsuji, Tomoko Shimizu, Uno Tagami, Yasuhiro Mihara, Masayuki Sugiki, Shogo Nakano, Tomoharu Motoyama, Sohei Ito
  • Publication number: 20230295600
    Abstract: The present invention provides a mutated histidine decarboxylase suitable for a practical use. Specifically, the present invention provides a mutated histidine decarboxylase having at least one amino acid residue mutated as compared to a wild-type histidine decarboxylase, and having higher histidine decarboxylase activity and/or stability than the wild-type histidine decarboxylase, and also a use thereof. The mutated histidine decarboxylase has Motifs (1) to (6), and an amino acid residue in at least one motif thereof can be mutated. The mutated histidine decarboxylase can also have a mutation of at least one amino acid residue in an amino acid sequence designated by SEQ ID NO: 3 and in a homologous sequence thereto.
    Type: Application
    Filed: February 6, 2023
    Publication date: September 21, 2023
    Applicant: AJINOMOTO CO., INC.
    Inventors: Hiroki Yamaguchi, Masayuki Sugiki, Kunio Nakata
  • Patent number: 11713454
    Abstract: The present invention provides a mutated histidine decarboxylase suitable for a practical use. Specifically, the present invention provides a mutated histidine decarboxylase having at least one amino acid residue mutated as compared to a wild-type histidine decarboxylase, and having higher histidine decarboxylase activity and/or stability than the wild-type histidine decarboxylase, and also a use thereof. The mutated histidine decarboxylase has Motifs (1) to (6), and an amino acid residue in at least one motif thereof can be mutated. The mutated histidine decarboxylase can also have a mutation of at least one amino acid residue in an amino acid sequence designated by SEQ ID NO: 3 and in a homologous sequence thereto.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: August 1, 2023
    Assignee: AJINOMOTO CO., INC.
    Inventors: Hiroki Yamaguchi, Masayuki Sugiki, Kunio Nakata
  • Publication number: 20230105158
    Abstract: The present invention provides a 2-OST mutant exhibiting a high activity.
    Type: Application
    Filed: November 18, 2022
    Publication date: April 6, 2023
    Applicant: AJINOMOTO CO., INC.
    Inventors: Chihiro Tsuji, Tomoko Shimizu, Uno Tagami, Yasuhiro Mihara, Masayuki Sugiki, Shogo Nakano, Tomoharu Motoyama, Sohei Ito
  • Patent number: 11384379
    Abstract: A method for producing an objective protein and a method for producing a disaccharide are provided. An objective protein is produced by culturing Talaromyces cellulolyticus in a culture medium containing an expression inducer such as gentiobiose. A disaccharide is produced from a saccharide raw material by enzymatic conversion using a disaccharide synthesizing enzyme.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: July 12, 2022
    Assignee: AJINOMOTO CO., INC.
    Inventors: Daiki Yahagi, Erika Yoshida, Hiroaki Fukada, Mitsunori Tokura, Uno Tagami, Masayuki Sugiki
  • Patent number: 11142755
    Abstract: A mutant glutathione synthetase (GSHB) suitable for generating ?-Glu-Val-Gly, and a method for producing ?-Glu-Val-Gly using the same are provided. ?-Glu-Val-Gly is produced by using a mutant GSHB having a mutation at such a position as V7, N13, I14, N15, K17, F22, F95, M165, N199, Y200, P202, I274, T285, and P287.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: October 12, 2021
    Assignee: AJINOMOTO CO., INC.
    Inventors: Ayako Sato, Eri Higashiura, Misato Okamoto, Takayuki Ito, Erika Watanabe, Uno Tagami, Yuki Oda, Tatsuki Kashiwagi, Masayuki Sugiki
  • Publication number: 20210070800
    Abstract: A method for producing ?-Glu-Val-Gly is described, wherein the method includes the steps of cultivating a ?-Glu-Val-Gly-producing bacterium belonging to the family Enterobacteriaceae in a culture medium so that the ?-Glu-Val-Gly accumulates in the culture medium or the cells of the bacterium, or both, and collecting the ?-Glu-Val-Gly from the culture medium or the cells of the bacterium, or both. The bacterium has been modified to overexpress a gene encoding a protein having L-threonine 3-dehydrogenase activity and a gene encoding a protein having 2-amino-3-oxobutanoate coenzyme A ligase activity.
    Type: Application
    Filed: November 20, 2020
    Publication date: March 11, 2021
    Applicant: AJINOMOTO CO., INC.
    Inventors: Natalia V. STOYNOVA, Elena V. SYCHEVA, Natalia V. GERASKINA, Elena V. MATROSOVA, Sergey V. SMIRNOV, Ayako SATO, Eri HIGASHIURA, Misato OKAMOTO, Takayuki ITO, Erika WATANABE, Yuki ODA, Uno TAGAMI, Tatsuki KASHIWAGI, Masayuki SUGIKI
  • Publication number: 20200263219
    Abstract: A method for producing an objective protein and a method for producing a disaccharide are provided. An objective protein is produced by culturing Talaromyces cellulolyticus in a culture medium containing an expression inducer such as gentiobiose. A disaccharide is produced from a saccharide raw material by enzymatic conversion using a disaccharide synthesizing enzyme.
    Type: Application
    Filed: March 23, 2020
    Publication date: August 20, 2020
    Applicant: AJINOMOTO CO., INC.
    Inventors: Daiki Yahagi, Erika Yoshida, Hiroaki Fukada, Mitsunori Tokura, Uno Tagami, Masayuki Sugiki
  • Publication number: 20200181588
    Abstract: The present invention provides a 2-OST mutant exhibiting a high activity.
    Type: Application
    Filed: February 20, 2020
    Publication date: June 11, 2020
    Applicant: AJINOMOTO CO., INC.
    Inventors: Chihiro Tsuji, Tomoko Shimizu, Uno Tagami, Yasuhiro Mihara, Masayuki Sugiki, Shogo Nakano, Tomoharu Motoyama, Sohei Ito
  • Publication number: 20200002697
    Abstract: The present invention provides a mutated histidine decarboxylase suitable for a practical use. Specifically, the present invention provides a mutated histidine decarboxylase having at least one amino acid residue mutated as compared to a wild-type histidine decarboxylase, and having higher histidine decarboxylase activity and/or stability than the wild-type histidine decarboxylase, and also a use thereof. The mutated histidine decarboxylase has Motifs (1) to (6), and an amino acid residue in at least one motif thereof can be mutated. The mutated histidine decarboxylase can also have a mutation of at least one amino acid residue in an amino acid sequence designated by SEQ ID NO: 3 and in a homologous sequence thereto.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Applicant: AJINOMOTO CO., INC.
    Inventors: Hiroki Yamaguchi, Masayuki Sugiki, Kunio Nakata
  • Publication number: 20190264191
    Abstract: A mutant glutathione synthetase (GSHB) suitable for generating ?-Glu-Val-Gly, and a method for producing ?-Glu-Val-Gly using the same are provided. ?-Glu-Val-Gly is produced by using a mutant GSHB having a mutation at such a position as V7, N13, I14, N15, K17, F22, F95, M165, N199, Y200, P202, I274, T285, and P287.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 29, 2019
    Applicant: AJINOMOTO CO., INC.
    Inventors: Ayako SATO, Eri HIGASHIURA, Misato OKAMOTO, Takayuki ITO, Erika WATANABE, Uno TAGAMI, Yuki ODA, Tatsuki KASHIWAGI, Masayuki SUGIKI
  • Publication number: 20190016763
    Abstract: A technique for efficiently culturing cells such as stem cells is provided. Cells such as stem cells are cultured using a cell culture vessel coated with a fibroin-like protein into which a cell adhesion sequence containing RGD (Arg-Gly-Asp) is inserted.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 17, 2019
    Applicant: AJINOMOTO CO., INC.
    Inventors: Manabu Kitazawa, Nao Sugimoto, Riho Kodama, Takeshi Nagahiko, Yoshihiro Ito, Kentaro Nakase, Yoshinori Takashima, Ayako Mine, Yoko Kuwabara, Uno Tagami, Masayuki Sugiki
  • Patent number: 9561216
    Abstract: A composition containing a compound represented by General Formula (I) below (see the definition in the specification for the symbols in the formula) or a salt thereof has an excellent CaSR agonistic effect and provides a pharmaceutical agent, a CaSR agonistic agent, a prophylactic or therapeutic agent for a disease that can be ameliorated through CaSR activation as well as seasonings and an agent for imparting kokumi.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: February 7, 2017
    Assignee: EA Pharma Co., Ltd.
    Inventors: Masayuki Sugiki, Toru Okamatsu, Tetsuo Yano, Shinya Taniguchi
  • Patent number: 9533985
    Abstract: Sulfonamide compounds of a specific chemical structure in which a sulfonamide group having, as a substituent, a phenyl group or a heterocyclic group having a hetero atom(s) as a constituent element(s) is present at its terminal, and pharmaceutically acceptable salts thereof. These compounds are novel compounds having excellent ?4 integrin-inhibitory action.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: January 3, 2017
    Assignee: EA Pharma Co., Ltd.
    Inventors: Hirokazu Ueno, Takashi Yamamoto, Ryuta Takashita, Ryohei Yokoyama, Toshihiko Sugiura, Shunsuke Kageyama, Ayatoshi Ando, Hiroyuki Eda, Agung Eviryanti, Tomoko Miyazawa, Aya Kirihara, Itsuya Tanabe, Tarou Nakamura, Misato Noguchi, Manami Shuto, Masayuki Sugiki, Mizuki Dohi
  • Publication number: 20160332999
    Abstract: The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the DESCRIPTION, or a pharmaceutically acceptable salt thereof. The compound has a superior TRPA1 antagonist activity, and can provide a medicament useful for the prophylaxis or treatment of diseases involving TRPA1 antagonist and TRPA1.
    Type: Application
    Filed: July 28, 2016
    Publication date: November 17, 2016
    Applicant: EA PHARMA CO., LTD.
    Inventors: Kaori KOBAYASHI, Tamotsu SUZUKI, Mizuki KAWAHIRA, Tomohiro FUJII, Masayuki SUGIKI, Koji OHSUMI, Tatsuya OKUZUMI
  • Publication number: 20160101091
    Abstract: A composition containing a compound represented by General Formula (I) below (see the definition in the specification for the symbols in the formula) or a salt thereof has an excellent CaSR agonistic effect and provides a pharmaceutical agent, a CaSR agonistic agent, a prophylactic or therapeutic agent for a disease that can be ameliorated through CaSR activation as well as seasonings and an agent for imparting kokumi.
    Type: Application
    Filed: December 17, 2015
    Publication date: April 14, 2016
    Applicant: AJINOMOTO CO., INC.
    Inventors: Masayuki SUGIKI, Toru OKAMATSU, Tetsuo YANO, Shinya TANIGUCHI
  • Patent number: 9253997
    Abstract: A composition containing a compound represented by General Formula (I) below (see the definition in the specification for the symbols in the formula) or a salt thereof has an excellent CaSR agonistic effect and provides a pharmaceutical agent, a CaSR agonistic agent, a prophylactic or therapeutic agent for a disease that can be ameliorated through CaSR activation as well as seasonings and an agent for imparting kokumi.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: February 9, 2016
    Assignee: AJINOMOTO CO., INC.
    Inventors: Masayuki Sugiki, Toru Okamatsu, Tetsuo Yano, Shinya Taniguchi
  • Patent number: 9174932
    Abstract: By searching various kinds of compounds having CaSR agonistic activity, the present invention provides CaSR agonistic agents, pharmaceutical compositions, preventive or therapeutic agents for diarrhea and kokumi-imparting agents each of which comprise the compound. More specifically, the present invention provides CaSR agonistic agents, pharmaceutical compositions, preventive or therapeutic agents for diarrhea and kokumi-imparting agents each of which comprise a glutamic acid derivative having CaSR agonistic activity or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: November 3, 2015
    Assignee: AJINOMOTO CO., INC.
    Inventors: Masayuki Sugiki, Toru Okamatsu, Sayaka Asari, Yayoi Kawato, Toshihiro Hatanaka, Tetsuo Yano, Yukie Seki, Naohiro Miyamura, Hiroaki Nagasaki, Yuzuru Eto, Reiko Yasuda
  • Patent number: 9000208
    Abstract: Compounds having an excellent CaSR agonist activity are in demand. The invention provides glutamate derivatives or salts thereof, pharmaceutical compositions comprising the glutamate derivatives, preventive or therapeutic agents for diarrhea, hyperparathyroidism or peptic ulcer.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: April 7, 2015
    Assignee: Ajinomoto Co., Inc.
    Inventors: Masayuki Sugiki, Toru Okamatsu
  • Patent number: RE49569
    Abstract: A composition containing a compound represented by General Formula (I) below (see the definition in the specification for the symbols in the formula) or a salt thereof has an excellent CaSR agonistic effect and provides a pharmaceutical agent, a CaSR agonistic agent, a prophylactic or therapeutic agent for a disease that can be ameliorated through CaSR activation as well as seasonings and an agent for imparting kokumi.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: July 4, 2023
    Assignee: EA PHARMA CO., LTD.
    Inventors: Masayuki Sugiki, Toru Okamatsu, Tetsuo Yano, Shinya Taniguchi