Patents by Inventor Yuzuru Eto

Yuzuru Eto 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: 9844226
    Abstract: A substance is described which is capable of imparting a kokumi, which shows a more excellent kokumi-imparting effect, in particular, the initial taste-imparting type of kokumi-imparting effect, which is excellent in the stability and which can easily be produced at a low cost. Additionally, a kokumi-imparting composition which includes a substance as well as a kokumi-imparting agent including the substance and other substances possessing the CaSR agonist activities in combination. More particularly, the present invention herein provides a kokumi-imparting composition consisting of ?-Glu-Abu (L-?-glutamyl-L-2-amino-butyric acid) and a complex kokumi-imparting agent which includes the foregoing substance and another substance having a CaSR agonist activity, in combination.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: December 19, 2017
    Assignee: AJINOMOTO CO., INC.
    Inventors: Fumie Futaki, Reiko Yasuda, Seiichi Sato, Takashi Miyaki, Naohiro Miyamura, Yuzuru Eto
  • Patent number: 9420813
    Abstract: The body taste of a sweetener (for example, aspartame, sucralose, acesulfame, etc.) is improved by blending the sweetener with an amino acid or a peptide, which is able to activate a calcium receptor, such as ?-Glu-X-Gly (wherein X represents an amino acid or an amino acid derivative), ?-Glu-Val-Y (wherein Y represents an amino acid or an amino acid derivative), ?-Glu-Ala, ?-Glu-Gly, ?-Glu-Cys, ?-Glu-Met, ?-Glu-Thr, ?-Glu-Val, ?-Glu-Orn, Asp-Gly, Cys-Gly, Cys-Met, Glu-Cys, Gly-Cys, Leu-Asp, D-Cys, ?-Glu-Met(O), ?-Glu-?-Glu-Val, ?-Glu-Val-NH2, ?-Glu-Val-ol, ?-Glu-Ser, ?-Glu-Tau, ?-Glu-Cys(S-Me)(O), ?-Glu-Leu, ?-Glu-Ile, ?-Glu-t-Leu, ?-Glu-Cys(S-Me), etc.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: August 23, 2016
    Assignee: AJINOMOTO CO., INC.
    Inventors: Hiroaki Nagasaki, Naohiro Miyamura, Yuzuru Eto, Katsuya Seguro
  • Patent number: 9395376
    Abstract: The present invention encompasses a method for screening for a kokumi-imparting substance by using the calcium receptor activity as an index, a composition containing a kokumi-imparting substance obtained by the screening method, a method for producing food or drink imparted with kokumi, and food or drink imparted with kokumi.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: July 19, 2016
    Assignee: AJINOMOTO CO., INC.
    Inventors: Takeaki Ohsu, Sen Takeshita, Yuzuru Eto, Yusuke Amino, Naohiro Miyamura, Tomohiko Yamanaka, Hiroaki Nagasaki
  • Patent number: 9222944
    Abstract: By contacting a test substance with a cell that expresses a Kv3.2 protein, and comparing observed cation influx into the cell with cation influx into the cell observed when the test substance is not contacted with the cell, a salty taste modulating substance such as salt alternative compound, or salt perception enhancing or inhibiting compound is screened.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: December 29, 2015
    Assignee: AJINOMOTO CO., INC.
    Inventors: Yutaka Ishiwatari, Yuko Kai, Takami Maekawa, Yuzuru Eto
  • 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: 9150505
    Abstract: An object is to provide a CaSR agonist agent that has excellent CaSR agonist effects, and particularly, a pharmaceutical product that can prevent or remedy diabetes or obesity by the effect of CaSR activation. The aforementioned object is achieved by a composition that contains a compound represented by the following General Formula (I) or a salt thereof (refer to the Description for the definitions of the symbols used in the formula).
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: October 6, 2015
    Assignee: AJINOMOTO CO., INC.
    Inventors: Reiko Yasuda, Yuzuru Eto, Yoshiro Kitahara
  • Patent number: 8877739
    Abstract: A medicament having an excellent CaSR agonist action which enables the prevention or treatment of diabetes or obesity is provided by a composition comprising the compound represented by general formula (I) as defined, or a salt thereof.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: November 4, 2014
    Assignee: Ajinomoto Co., Inc.
    Inventors: Reiko Yasuda, Yuzuru Eto
  • Publication number: 20140303122
    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: Application
    Filed: March 28, 2014
    Publication date: October 9, 2014
    Applicant: 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: 8796485
    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: April 4, 2011
    Date of Patent: August 5, 2014
    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
  • Publication number: 20140030380
    Abstract: The present invention provides a production method of a food, which can effectively enhance a taste without conferring an unpreferable or undesirable flavor, and a method for enhancing a taste of food. The present invention provides a method of producing a food with an enhanced taste, including by adding a peptide mixture obtained by hydrolyzing, with an enzyme, a composition containing ?-conglycinin, and a method of enhancing the taste of food, including a step of adding the peptide mixture.
    Type: Application
    Filed: October 1, 2013
    Publication date: January 30, 2014
    Applicant: AJINOMOTO CO., INC.
    Inventors: Seiji Kitajima, Yuzuru Eto, Takaho Tajima
  • Publication number: 20140004243
    Abstract: The present invention provides a compound having a salty taste enhance activity, and a salty taste enhancer containing the compound, and the like. The present invention relates to a salty taste enhancer for a food or drink, which contains a compound represented by the following formula: wherein each symbol is as defined in the specification, or an edible salt thereof.
    Type: Application
    Filed: September 6, 2013
    Publication date: January 2, 2014
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yuki TAHARA, Yusuke Amino, Takami Maekawa, Yuzuru Eto, Takashi Miyaki, Wakana Saikawa, Yuko Kai, Yutaka Ishiwatari
  • Patent number: 8568814
    Abstract: The present invention provides a variety of compounds having a CaSR agonist activity which possesses a superior kokumi-imparting function, and more particularly provides a kokumi-imparting composition, which contains the foregoing compound, and/or another substance having a CaSR agonist activity, in combination. The present invention also provides a kokumi-imparting composition which includes a lanthionine derivative and/or another substance having a CaSR agonist activity.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: October 29, 2013
    Assignee: Ajinomoto Co., Inc.
    Inventors: Seiichi Sato, Fumie Futaki, Reiko Yasuda, Sachise Eto, Yumiko Suzuki, Takaho Tajima, Yuzuru Eto, Yuki Tahara
  • Patent number: 8541379
    Abstract: A substance capable of imparting a kokumi having CaSR agonist activity is described. This substance is able to impart kokumi in a superior manner, in particular, at the initial taste, and is also highly stable and can easily be produced at a low cost. The present invention thus provides a kokumi-imparting composition which includes such a substance as well as a complex kokumi-imparting composition which includes the substance and other substances possessing the CaSR agonist activities in combination. More particularly, the present invention herein provides a kokumi-imparting composition including ?-Glu-Nva (L-?-glutamyl-L-norvaline), and a complex kokumi-imparting composition including the foregoing substance and another substance having a CaSR agonist activity, in combination.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: September 24, 2013
    Assignee: Ajinomoto Co., Inc.
    Inventors: Takashi Miyaki, Naohiro Miyamura, Megumi Kaneko, Yusuke Amino, Reiko Yasuda, Yuzuru Eto, Takaho Tajima
  • Patent number: 8454978
    Abstract: An immunostimulating agent, which can stimulate immunity effectively, is described. The immunostimulating agent contains an active ingredient including a calcium receptor activator such as ?-Glu-X-Gly [wherein X represents an amino acid or a derivative thereof other than Cys], ?-Glu-Val-Y [wherein Y represents an amino acid or a derivative thereof], ?-Glu-Ala, ?-Glu-Gly, ?-Glu-Met, ?-Glu-Thr, ?-Glu-Val, ?-Glu-Orn, Asp-Gly, Cys-Gly, Cys-Met, Glu-Cys, Gly-Cys, Leu-Asp, ?-Glu-Met(O), ?-Glu-?-Glu-Val, ?-Glu-Val-NH2, ?-Glu-Val-ol, ?-Glu-Ser, ?-Glu-Tau, ?-Glu-Cys(S-Me)(O), ?-Glu-Leu, ?-Glu-Ile, ?-Glu-t-Leu, ?-Glu-Cys(S-Me), a cation having a valency of 2 or more, protamine, polylysine, spermine, spermidine, putrescine, cinacalcet, a cinacalcet analogue compound, and a salt of any one of the aforementioned components.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: June 4, 2013
    Assignee: Ajinomoto Co., Inc.
    Inventors: Tomohiro Kodera, Yuzuru Eto, Yoshinori Mine
  • Patent number: 8420144
    Abstract: The present invention encompasses a method for screening for a kokumi-imparting substance by using the calcium receptor activity as an index, a composition containing a kokumi-imparting substance obtained by the screening method, a method for producing food or drink imparted with kokumi, and food or drink imparted with kokumi.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: April 16, 2013
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yuzuru Eto, Yusuke Amino
  • Publication number: 20130072491
    Abstract: An object is to provide a CaSR agonist agent that has excellent CaSR agonist effects, and particularly, a pharmaceutical product that can prevent or remedy diabetes or obesity by the effect of CaSR activation. The aforementioned object is achieved by a composition that contains a compound represented by the following General Formula (I) or a salt thereof (refer to the Description for the definitions of the symbols used in the formula).
    Type: Application
    Filed: August 31, 2012
    Publication date: March 21, 2013
    Applicant: Ajinomoto Co., Inc.
    Inventors: Reiko YASUDA, Yuzuru Eto, Yoshiro Kitahara
  • Patent number: 8399417
    Abstract: A low-fat food containing an amino acid or a peptide which is able to activate a calcium receptor, examples of which include ?-Glu-X-Gly, ?-Glu-Val-Y, ?-Glu-Ala, ?-Glu-Gly, ?-Glu-Cys, ?-Glu-Met, ?-Glu-Thr, ?-Glu-Val, ?-Glu-Orn, Asp-Gly, Cys-Gly, Cys-Met, Glu-Cys, Gly-Cys, Leu-Asp, D-Cys, ?-Glu-Met(O), ?-Glu-?-Glu-Val, ?-Glu-Val-NH2, ?-Glu-Val-ol, ?-Glu-Ser, ?-Glu-Tau, ?-Glu-Cys(S-Me)(O), ?-Glu-Leu, ?-Glu-Ile, ?-Glu-t-Leu, ?-Glu-Cys(S-Me), etc, wherein X and Y are an amino acid or an amino acid derivative.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: March 19, 2013
    Assignee: Ajinomoto Co., Inc.
    Inventors: Hiroaki Nagasaki, Naohiro Miyamura, Yuzuru Eto
  • Publication number: 20120282386
    Abstract: The present invention provides a variety of compounds having a CaSR agonist activity which possesses a superior kokumi-imparting function, and more particularly provides a kokumi-imparting composition, which contains the foregoing compound, and/or another substance having a CaSR agonist activity, in combination. The present invention also provides a kokumi-imparting composition which includes a lanthionine derivative and/or another substance having a CaSR agonist activity.
    Type: Application
    Filed: June 26, 2012
    Publication date: November 8, 2012
    Inventors: Seiichi Sato, Fumie Futaki, Reiko Yasuda, Sachise Eto, Yumiko Suzuki, Takaho Tajima, Yuzuru Eto, Yuki Tahara
  • Publication number: 20120277168
    Abstract: A substance capable of imparting a kokumi having CaSR agonist activity is described. This substance is able to impart kokumi in a superior manner, in particular, at the initial taste, and is also highly stable and can easily be produced at a low cost. The present invention thus provides a kokumi-imparting composition which includes such a substance as well as a complex kokumi-imparting composition which includes the substance and other substances possessing the CaSR agonist activities in combination. More particularly, the present invention herein provides a kokumi-imparting composition including ?-Glu-Nva (L-?-glutamyl-L-norvaline), and a complex kokumi-imparting composition including the foregoing substance and another substance having a CaSR agonist activity, in combination.
    Type: Application
    Filed: June 21, 2012
    Publication date: November 1, 2012
    Inventors: Takashi Miyaki, Naohiro Miyamura, Megumi Kaneko, Yusuke Amino, Reiko Yasuda, Yuzuru Eto, Takaho Tajima
  • Patent number: 8173605
    Abstract: The present invention encompasses a method for screening for a kokumi-imparting substance by using the calcium receptor activity as an index, a composition containing a kokumi-imparting substance obtained by the screening method, a method for producing food or drink imparted with kokumi, and food or drink imparted with kokumi.
    Type: Grant
    Filed: May 8, 2008
    Date of Patent: May 8, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Takeaki Ohsu, Sen Takeshita, Yuzuru Eto, Yusuke Amino, Naohiro Miyamura, Tomohiko Yamanaka, Hiroaki Nagasaki