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).
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Patent number: 11851688Abstract: The present invention provides a 2-OST mutant exhibiting a high activity.Type: GrantFiled: February 20, 2020Date of Patent: December 26, 2023Assignee: AJINOMOTO CO., INC.Inventors: Chihiro Tsuji, Tomoko Shimizu, Uno Tagami, Yasuhiro Mihara, Masayuki Sugiki, Shogo Nakano, Tomoharu Motoyama, Sohei Ito
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Publication number: 20230295600Abstract: 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: ApplicationFiled: February 6, 2023Publication date: September 21, 2023Applicant: AJINOMOTO CO., INC.Inventors: Hiroki Yamaguchi, Masayuki Sugiki, Kunio Nakata
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Patent number: 11713454Abstract: 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: GrantFiled: September 10, 2019Date of Patent: August 1, 2023Assignee: AJINOMOTO CO., INC.Inventors: Hiroki Yamaguchi, Masayuki Sugiki, Kunio Nakata
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Publication number: 20230105158Abstract: The present invention provides a 2-OST mutant exhibiting a high activity.Type: ApplicationFiled: November 18, 2022Publication date: April 6, 2023Applicant: AJINOMOTO CO., INC.Inventors: Chihiro Tsuji, Tomoko Shimizu, Uno Tagami, Yasuhiro Mihara, Masayuki Sugiki, Shogo Nakano, Tomoharu Motoyama, Sohei Ito
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Patent number: 11384379Abstract: 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: GrantFiled: March 23, 2020Date of Patent: July 12, 2022Assignee: AJINOMOTO CO., INC.Inventors: Daiki Yahagi, Erika Yoshida, Hiroaki Fukada, Mitsunori Tokura, Uno Tagami, Masayuki Sugiki
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Patent number: 11142755Abstract: 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: GrantFiled: February 27, 2019Date of Patent: October 12, 2021Assignee: AJINOMOTO CO., INC.Inventors: Ayako Sato, Eri Higashiura, Misato Okamoto, Takayuki Ito, Erika Watanabe, Uno Tagami, Yuki Oda, Tatsuki Kashiwagi, Masayuki Sugiki
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Publication number: 20210070800Abstract: 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: ApplicationFiled: November 20, 2020Publication date: March 11, 2021Applicant: 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
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Publication number: 20200263219Abstract: 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: ApplicationFiled: March 23, 2020Publication date: August 20, 2020Applicant: AJINOMOTO CO., INC.Inventors: Daiki Yahagi, Erika Yoshida, Hiroaki Fukada, Mitsunori Tokura, Uno Tagami, Masayuki Sugiki
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Publication number: 20200181588Abstract: The present invention provides a 2-OST mutant exhibiting a high activity.Type: ApplicationFiled: February 20, 2020Publication date: June 11, 2020Applicant: AJINOMOTO CO., INC.Inventors: Chihiro Tsuji, Tomoko Shimizu, Uno Tagami, Yasuhiro Mihara, Masayuki Sugiki, Shogo Nakano, Tomoharu Motoyama, Sohei Ito
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Publication number: 20200002697Abstract: 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: ApplicationFiled: September 10, 2019Publication date: January 2, 2020Applicant: AJINOMOTO CO., INC.Inventors: Hiroki Yamaguchi, Masayuki Sugiki, Kunio Nakata
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Publication number: 20190264191Abstract: 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: ApplicationFiled: February 27, 2019Publication date: August 29, 2019Applicant: AJINOMOTO CO., INC.Inventors: Ayako SATO, Eri HIGASHIURA, Misato OKAMOTO, Takayuki ITO, Erika WATANABE, Uno TAGAMI, Yuki ODA, Tatsuki KASHIWAGI, Masayuki SUGIKI
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Publication number: 20190016763Abstract: 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: ApplicationFiled: September 27, 2018Publication date: January 17, 2019Applicant: 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
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Patent number: 9561216Abstract: 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: GrantFiled: December 17, 2015Date of Patent: February 7, 2017Assignee: EA Pharma Co., Ltd.Inventors: Masayuki Sugiki, Toru Okamatsu, Tetsuo Yano, Shinya Taniguchi
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Patent number: 9533985Abstract: 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: GrantFiled: April 24, 2013Date of Patent: January 3, 2017Assignee: 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
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Publication number: 20160332999Abstract: 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: ApplicationFiled: July 28, 2016Publication date: November 17, 2016Applicant: EA PHARMA CO., LTD.Inventors: Kaori KOBAYASHI, Tamotsu SUZUKI, Mizuki KAWAHIRA, Tomohiro FUJII, Masayuki SUGIKI, Koji OHSUMI, Tatsuya OKUZUMI
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Publication number: 20160101091Abstract: 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: ApplicationFiled: December 17, 2015Publication date: April 14, 2016Applicant: AJINOMOTO CO., INC.Inventors: Masayuki SUGIKI, Toru OKAMATSU, Tetsuo YANO, Shinya TANIGUCHI
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Patent number: 9253997Abstract: 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: GrantFiled: August 31, 2012Date of Patent: February 9, 2016Assignee: AJINOMOTO CO., INC.Inventors: Masayuki Sugiki, Toru Okamatsu, Tetsuo Yano, Shinya Taniguchi
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Patent number: 9174932Abstract: 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: GrantFiled: March 28, 2014Date of Patent: November 3, 2015Assignee: 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
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Patent number: 9000208Abstract: 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: GrantFiled: September 21, 2012Date of Patent: April 7, 2015Assignee: Ajinomoto Co., Inc.Inventors: Masayuki Sugiki, Toru Okamatsu
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Patent number: RE49569Abstract: 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: GrantFiled: April 1, 2021Date of Patent: July 4, 2023Assignee: EA PHARMA CO., LTD.Inventors: Masayuki Sugiki, Toru Okamatsu, Tetsuo Yano, Shinya Taniguchi