Patents by Inventor Ryo Kusaka

Ryo Kusaka 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: 8455034
    Abstract: A packaged green tea beverage, wherein (A) the packaged green tea beverage contains from 0.08 to 0.5 wt % of non-polymer catechins, (B) a percentage of non-epicatechin body in the non-polymer catechins is from 5 to 25 wt %, (C) a percentage of gallate body in the non-polymer catechins is from 5 to 95 wt %, (D) pH is from 2.5 to 5.1, and (F) the packaged green tea beverage contains from 0.0001 to 20 wt % of at least one sweetener selected from fructose, glucose, sucrose, fructoglucose syrup and glucofructose syrup. A packaged green tea beverage containing non-polymer catechins in high concentration can be provided, which can not only reduce astringency but also provides for adequate sweetness and sourness without impairment of the taste and is suited for long-term storage while containing a sweetener.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: June 4, 2013
    Assignee: Kao Corporation
    Inventors: Masahiro Fukuda, Hirokazu Takahashi, Ryo Kusaka, Eri Itaya
  • Patent number: 8440246
    Abstract: By containing non-polymer catechins in high concentration, the physiological effects of the catechins are manifested, minerals indispensable to the living body are fortified, and the storage stability of a beverage is improved. A packaged beverage containing: (A) from 0.05 to 0.5% by mass of non-polymer catechins; (B) from 0.0012 to 0.12% by mass of calcium; (C) from 0.00012 to 0.006% by mass of magnesium; (D) from 0.000048 to 0.0024% by mass of zinc; (E) from 0.00004 to 0.002% by mass of iron; and (F) from 0.01 to 20% by mass of a sweetener, wherein a content mass ratio [(B)/(A)] of the calcium (B) to the non-polymer catechins (A) is from 0.001 to 1.0; (J) a percentage of gallate bodies in the non-polymer catechins is from 5 to 55% by mass; and pH is from 2.5 to 5.1.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: May 14, 2013
    Assignee: Kao Corporation
    Inventors: Masahiro Fukuda, Hirokazu Takahashi, Ryo Kusaka, Eri Itaya
  • Patent number: 8367140
    Abstract: A concentrated beverage composition for reconstitution is reduced in bitterness and astringency, adequate in both sweetness and sourness and improved in storage stability despite the inclusion of a high concentration of non-polymer catechins. The concentrated beverage composition for reconstitution contains (A) from 0.5 to 25.0 wt % of non-polymer catechins, (B) a carbohydrate, and (C) a hydroxycarboxylic acid, and meets the following conditions (D) and (E) as well as at least one condition selected from the following conditions (F1), (F2) and (F3): (D) a content of gallic acid is lower than 0.6 wt %, (E) a percentage of non-epi-forms in the non-polymer catechins is from 5 to 25 wt %, (F1) a Brix degree is from 20 to 70, and when diluted with deionized water to give a non-polymer catechin concentration of 0.13 wt %, a pH is from 2.5 to 6.0, (F2) a solid content is not lower than 70.0 wt %, and when diluted with deionized water to give a non-polymer catechin concentration of 0.13 wt %, a pH is from 2.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: February 5, 2013
    Assignee: Kao Corporation
    Inventors: Masahiro Fukuda, Eri Itaya, Hirokazu Takahashi, Ryo Kusaka
  • Publication number: 20100316770
    Abstract: By containing non-polymer catechins in high concentration, the physiological effects of the catechins are manifested, minerals indispensable to the living body are fortified, and the storage stability of a beverage is improved. A packaged beverage containing: (A) from 0.05 to 0.5% by mass of non-polymer catechins; (B) from 0.0012 to 0.12% by mass of calcium; (C) from 0.00012 to 0.006% by mass of magnesium; (D) from 0.000048 to 0.0024% by mass of zinc; (E) from 0.00004 to 0.002% by mass of iron; and (F) from 0.01 to 20% by mass of a sweetener, wherein a content mass ratio [(B)/(A)] of the calcium (B) to the non-polymer catechins (A) is from 0.001 to 1.0; (J) a percentage of gallate bodies in the non-polymer catechins is from 5 to 55% by mass; and pH is from 2.5 to 5.1.
    Type: Application
    Filed: December 26, 2007
    Publication date: December 16, 2010
    Applicant: KAO CORPORATION
    Inventors: Masahiro Fukuda, Hirokazu Takahashi, Ryo Kusaka, Eri Itaya
  • Publication number: 20100233322
    Abstract: Produced is a processed tea, which enables to elute non-polymer catechins at high concentration with water, and moreover, is suppressed in bitterness and astringent taste and is good in taste and flavor. A process according to the present invention for the production of the processed tea is characterized by including a step of mixing (A) a granulated product of a purified green tea extract, said purified product being obtainable by dissolving and extracting the green tea extract in a mixed solution of ethanol and water at a weight ratio of from 99/1 to 75/25, with (B) tea leaves at a solid weight ratio [(A)/(B)] of from 10/90 to 90/10.
    Type: Application
    Filed: October 3, 2008
    Publication date: September 16, 2010
    Applicant: KAO CORPORATION
    Inventors: Masahiro Fukuda, Eri Itaya, Hirokazu Takahashi, Ryo Kusaka
  • Publication number: 20100209585
    Abstract: An instant beverage powder with non-polymer catechins contained at high concentration has improved flavor and taste owing to reductions in bitterness and astringency, and also provides improved flavor and taste and improved stability in external appearance after reconstituted into a beverage. The instant beverage powder contains the following ingredients (A) and (B): (A) from 0.5 to 20.0 wt % of a purified product of green tea extract, said purified product being obtained by purifying the green tea extract in a mixed solution of ethanol and water at a weight ratio of from 99/1 to 75/25, and (B) from 0.01 to 10.0 wt % of a hydroxycarboxylic acid or a lactone, or a salt thereof. The content of non-polymer catechins in the instant beverage powder is from 0.5 to 15.0 wt %.
    Type: Application
    Filed: August 29, 2008
    Publication date: August 19, 2010
    Applicant: Kao Corporation
    Inventors: Masahiro Fukuda, Eri Itaya, Hirokazu Takahashi, Ryo Kusaka
  • Publication number: 20100143554
    Abstract: A concentrated beverage composition for reconstitution is reduced in bitterness and astringency, adequate in both sweetness and sourness and improved in storage stability despite the inclusion of a high concentration of non-polymer catechins. The concentrated beverage composition for reconstitution contains (A) from 0.5 to 25.0 wt % of non-polymer catechins, (B) a carbohydrate, and (C) a hydroxycarboxylic acid, and meets the following conditions (D) and (E) as well as at least one condition selected from the following conditions (F1), (F2) and (F3): (D) a content of gallic acid is lower than 0.6 wt %, (E) a percentage of non-epi-forms in the non-polymer catechins is from 5 to 25 wt %, (F1) a Brix degree is from 20 to 70, and when diluted with deionized water to give a non-polymer catechin concentration of 0.13 wt %, a pH is from 2.5 to 6.0, (F2) a solid content is not lower than 70.0 wt %, and when diluted with deionized water to give a non-polymer catechin concentration of 0.13 wt %, a pH is from 2.
    Type: Application
    Filed: May 7, 2008
    Publication date: June 10, 2010
    Applicant: KAO CORPORATION
    Inventors: Masahiro Fukuda, Eri Itaya, Hirokazu Takahashi, Ryo Kusaka
  • Publication number: 20100068344
    Abstract: To reduce the bitterness of a packaged beverage which contains a high concentration of non-polymer catechins, without deteriorating the flavor of the beverage, provided is a packaged beverage including 0.05 to 0.5% by mass of (A) non-polymer catechins and (B) a sweetening agent selected from the following sweetening agents (B1), (B2), (B3), and (B4): (B1) 0.0001 to 0.5% by mass of glycyrrhizin; (B2) 0.00001 to 0.005% by mass of thaumatin; (B3) 0.01 to 5% by mass of (b31) sorbitol and 0.001 to 5% by mass of (b32) a sweetening agent other than sorbitol, in which a ratio of (b32)/(b31) (mass ratio) is 0.01 to 100; and (B4) 0.01 to 5% by mass of (b41) erythritol and 0.01 to 5% by mass of (b42) one or more kinds selected from glucose, fructose, a glucose-fructose syrup, and a fructose-glucose syrup.
    Type: Application
    Filed: June 15, 2007
    Publication date: March 18, 2010
    Applicant: KAO Corporation
    Inventors: Masahiro Fukuda, Hirokazu Takahashi, Ryo Kusaka, Eri Itaya
  • Publication number: 20100015288
    Abstract: By mixing an amino acid in a packed beverage containing non-polymer catechins in high concentration, the physiological effects of the catechins are manifested and the intake of the amino acid is facilitated. A packaged beverage containing: (A) from 0.06 to 0.5% by mass of non-polymer catechins; (B) from 0.01 to 5.0% by mass of at least one amino acid selected from L-isoleucine, L-leucine, L-valine, L-threonine, DL-methionine, L-methionine, L-histidine, L-phenylalanine, L-lysine, L-tryptophan, L-aspartic acid, L-glutamic acid, L-alanine, DL-alanine, glycine, L-asparagine, L-glutamine, L-arginine, L-serine, L-tyrosine, L-cystine and L-proline, or a salt thereof; and (C) from 0.0001 to 20% by mass of a sweetener, wherein (G) a percentage of gallate bodies in the non-polymer catechins is from 5 to 55% by mass, and pH is from 2.5 to 5.1.
    Type: Application
    Filed: December 26, 2007
    Publication date: January 21, 2010
    Applicant: KAO CORPORATION
    Inventors: Masahiro Fukuda, Hirokazu Takahashi, Ryo Kusaka, Eri Itaya
  • Publication number: 20090311383
    Abstract: A packaged green tea beverage, wherein (A) the packaged green tea beverage contains from 0.08 to 0.5 wt % of non-polymer catechins, (B) a percentage of non-epicatechin body in the non-polymer catechins is from 5 to 25 wt %, (C) a percentage of gallate body in the non-polymer catechins is from 5 to 95 wt %, (D) pH is from 2.5 to 5.1, and (F) the packaged green tea beverage contains from 0.0001 to 20 wt % of at least one sweetener selected from fructose, glucose, sucrose, fructoglucose syrup and glucofructose syrup. A packaged green tea beverage containing non-polymer catechins in high concentration can be provided, which can not only reduce astringency but also provides for adequate sweetness and sourness without impairment of the taste and is suited for long-term storage while containing a sweetener.
    Type: Application
    Filed: December 22, 2006
    Publication date: December 17, 2009
    Applicant: KAO CORPORATION
    Inventors: Masahiro Fukuda, Hirokazu Takahashi, Ryo Kusaka, Eri Itaya
  • Publication number: 20090191311
    Abstract: Provided is a packaged effervescent beverage having a high concentration of catechins, having both reduced bitterness and adequate sweetness, and not undergoing a substantial reduction in the catechin content even after long storage albeit containing a sweetener. The packaged effervescent beverage having a purified product of tea extract added thereto, comprising: (A) from 0.08 to 0.5 mass % of non-polymer catechins, (B) from 0.0001 to 20 mass % of a sweetener, and (C) a carbon dioxide gas, whose gas volume ranges from 0.5 vol. % to 4.0 vol. %, wherein: (D) a non-epicatechin percentage in the non-polymer catechins is from 5 to 25 mass %, a percentage of (E) gallates in (A) the non-polymer catechins ([(E)/(A)]×100) is from 5 to 55 mass %, (F) the beverage has a pH of from 2.5 to 5.1; and a mass ratio of (G) caffeine to (A) the non-polymer catechins [(G)/(A)] is from 0.0001 to 0.16.
    Type: Application
    Filed: June 26, 2007
    Publication date: July 30, 2009
    Applicant: KAO CORPORATION
    Inventors: Masahiro Fukuda, Hirokazu Takahashi, Ryo Kusaka, Eri Itaya
  • Patent number: D1023074
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: April 16, 2024
    Assignee: KUBOTA CORPORATION
    Inventors: Taiki Furuki, Ryo Masuda, Yuya Kusaka, Ryohei Sumiyoshi, Junichi Murakami, Takahiro Kubo