Patents by Inventor Kenji Yamawaki
Kenji Yamawaki 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: 12063944Abstract: Provided is a powdered green tea extract composition, including the following components (A) to (C): (A) non-polymer catechins; (B) quinic acid; and (C) a polysaccharide, wherein the powdered green tea extract composition has a volatile content of 5.6 mass % or less, wherein a mass ratio between the component (A) and the component (B), [(B)/(A)], is less than 0.2, wherein amass ratio between the component (A) and the component (C), [(C)/(A)], is 1.2 or more, wherein, when an absolute value (?a*) of a difference between an a* value in an L*a*b* color system of the powdered green tea extract composition after storage under an atmosphere of 37° C.Type: GrantFiled: December 6, 2019Date of Patent: August 20, 2024Assignee: KAO CORPORATIONInventors: Iyori Shirakura, Kenji Yamawaki, Jun Saito, Keita Kinoshita
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Patent number: 11903394Abstract: Provided is a beverage composition, including: non-polymer catechins; and caffeine, the beverage composition satisfying the following requirements (A), (B), and (C): (A) a mass ratio of caffeine/non-polymer catechins is 0.180 or less; (B) particles contained in the beverage composition have an average particle size of 3 ?m or less; and (C) a turbidity is 30 NTU or more.Type: GrantFiled: August 26, 2022Date of Patent: February 20, 2024Assignee: KAO CORPORATIONInventors: Kenji Yamawaki, Yukiteru Sugiyama
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Patent number: 11812759Abstract: Provided is a production method for a composition containing non-polymer catechins, including the following step (A): (A) a step of bringing tea leaves into contact with an aqueous solution having a Brix of from 0.2% to 1.0% at from 80° C. to 100° C.Type: GrantFiled: October 30, 2017Date of Patent: November 14, 2023Assignee: KAO CORPORATIONInventors: Kenji Yamawaki, Yukiteru Sugiyama
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Publication number: 20220408752Abstract: Provided is a beverage composition, including: non-polymer catechins; and caffeine, the beverage composition satisfying the following requirements (A), (B), and (C): (A) a mass ratio of caffeine/non-polymer catechins is 0.130 or less; (B) particles contained in the beverage composition have an average particle size of 3 ?m or less; and (C) a turbidity is 30 NTU or more.Type: ApplicationFiled: August 26, 2022Publication date: December 29, 2022Applicant: KAO CORPORATIONInventors: Kenji YAMAWAKI, Yukiteru SUGIYAMA
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Patent number: 11464240Abstract: Provided is a beverage composition, including: non-polymer catechins; and caffeine, the beverage composition satisfying the following requirements (A), (B), and (C): (A) a mass ratio of caffeine/non-polymer catechins is 0.180 or less; (B) particles contained in the beverage composition have an average particle size of 3 ?m or less; and (C) a turbidity is 30 NTU or more.Type: GrantFiled: October 30, 2017Date of Patent: October 11, 2022Assignee: KAO CORPORATIONInventors: Kenji Yamawaki, Yukiteru Sugiyama
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Publication number: 20220031790Abstract: Provided is a method for producing a red perilla leaf extract which enables to collect rosmarinic acid with a high yield from red perilla leaves to which an acid is added. The method for producing a red perilla leaf extract includes the following step (1): (1) a step of extracting red perilla leaves to which an acid has been added with water under a condition of a pH of from 4.0 to 8.0.Type: ApplicationFiled: November 26, 2019Publication date: February 3, 2022Applicant: KAO CORPORATIONInventors: Akihiro TAKAMURA, Masazumi IWASHITA, Yuta YAMAMOTO, Kenji YAMAWAKI, Kohjiro HASHIZUME
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Publication number: 20220022479Abstract: Provided is a powdered green tea extract composition, including the following components (A) to (C): (A) non-polymer catechins; (B) quinic acid; and (C) a polysaccharide, wherein the powdered green tea extract composition has a volatile content of 5.6 mass % or less, wherein a mass ratio between the component (A) and the component (B), [(B)/(A)], is less than 0.2, wherein amass ratio between the component (A) and the component (C), [(C)/(A)], is 1.2 or more, wherein, when an absolute value (?a*) of a difference between an a* value in an L*a*b* color system of the powdered green tea extract composition after storage under an atmosphere of 37° C.Type: ApplicationFiled: December 6, 2019Publication date: January 27, 2022Applicant: KAO CORPORATIONInventors: Iyori SHIRAKURA, Kenji YAMAWAKI, Jun SAITO, Keita KINOSHITA
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Publication number: 20210106021Abstract: Provided is a production method for a composition containing non-polymer catechins, including the following step (A): (A) a step of bringing tea leaves into contact with an aqueous solution having a Brix of from 0.2% to 1.0% at from 80° C. to 100° C.Type: ApplicationFiled: October 30, 2017Publication date: April 15, 2021Applicant: KAO CORPORATIONInventors: Kenji YAMAWAKI YAMAWAKI, Yukiteru SUGIYAMA
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Publication number: 20190343143Abstract: Provided is a beverage composition, including: non-polymer catechins; and caffeine, the beverage composition satisfying the following requirements (A), (B), and (C): (A) a mass ratio of caffeine/non-polymer catechins is 0.180 or less; (B) particles contained in the beverage composition have an average particle size of 3 ?m or less; and (C) a turbidity is 30 NTU or more.Type: ApplicationFiled: October 30, 2017Publication date: November 14, 2019Applicant: KAO CORPORATIONInventors: Kenji YAMAWAKI, Yukiteru SUGIYAMA
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Patent number: 10174053Abstract: The compounds of the subject invention are related to 2-substituted cephem compounds, which have a wide antimicrobial spectrum, in particular exhibit potent antimicrobial activity against beta-lactamase producing Gram negative bacteria, and pharmaceutical compositions comprising the same.Type: GrantFiled: April 18, 2017Date of Patent: January 8, 2019Assignees: Glaxo Group Limited, Shionogi and Co., Ltd.Inventors: Toshiaki Aoki, Hiroki Kusano, Xiangmin Liao, Neil David Pearson, Israil Pendrak, Jun Sato, Reema K. Thalji, Kenji Yamawaki, Katsuki Yokoo
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Publication number: 20180186814Abstract: The present invention provides a compound exhibiting a strong antimicrobial spectrum against various bacteria, including gram-negative bacteria, or a pharmaceutical composition having an antimicrobial activity carbapenem-resistant bacteria. Provided is a compound represented by formula (I), an ester thereof or a pharmaceutically acceptable salt thereof, or a hydrate thereof. (I) (in the formula, —W— is —S(?O)— or S(?O)2—, -T- is CR4AR4B— or —CR5A—R5B—CR6A—R6B—, each of R2A and R2B is independently a hydrogen atom, etc., or R2A and R2B together form a substituted or unsubstituted methylidene, etc., R3 is a hydrogran atom, etc., R11 is a carboxyl, etc., and each of R7A and R7B is independently a hydrogen atom, etc.Type: ApplicationFiled: June 30, 2016Publication date: July 5, 2018Applicant: Shionogi & Co., Ltd.Inventors: Kenji YAMAWAKI, Hiroki KUSANO
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Patent number: 9950985Abstract: Provided is a method of producing a purified chlorogenic acid-containing composition, including: a first step of dispersing or dissolving a raw material chlorogenic acid-containing composition in an aqueous solution of organic solvent; a second step of removing a precipitate from a dispersion or a solution obtained in the first step; and a third step of bringing a solution obtained in the second step into contact with activated carbon including activated carbon (A) having a pore volume of from 0.3 mL/g to 1.0 mL/g and activated carbon (B) having a pore volume larger than that of the activated carbon (A), in which a difference [(B)?(A)] in pore volume between the activated carbon (A) and the activated carbon (B) is from 0.1 mL/g to 1.5 mL/g.Type: GrantFiled: August 18, 2015Date of Patent: April 24, 2018Assignee: KAO CORPORATIONInventors: Yukiteru Sugiyama, Kenji Yamawaki
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Publication number: 20170305833Abstract: Provided is a method of producing a purified chlorogenic acid-containing composition, including: a first step of dispersing or dissolving a raw material chlorogenic acid-containing composition in an aqueous solution of organic solvent; a second step of removing a precipitate from a dispersion or a solution obtained in the first step; and a third step of bringing a solution obtained in the second step into contact with activated carbon including activated carbon (A) having a pore volume of from 0.3 mL/g to 1.0 mL/g and activated carbon (B) having a pore volume larger than that of the activated carbon (A), in which a difference [(B)?(A)] in pore volume between the activated carbon (A) and the activated carbon (B) is from 0.1 mL/g to 1.5 mL/g.Type: ApplicationFiled: August 18, 2015Publication date: October 26, 2017Applicant: KAO CORPORATIONInventors: Yukiteru SUGIYAMA, Kenji YAMAWAKI
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Publication number: 20170281532Abstract: The compounds of the subject invention are related to 2-substituted cephem compounds, which have a wide antimicrobial spectrum, in particular exhibit potent antimicrobial activity against beta-lactamase producing Gram negative bacteria, and pharmaceutical compositions comprising the same.Type: ApplicationFiled: April 18, 2017Publication date: October 5, 2017Inventors: Toshiaki AOKI, Hiroki KUSANO, Xiangmin LIAO, Neil David PEARSON, Israil PENDRAK, Jun SATO, Reema K. THALJI, Kenji YAMAWAKI, Katsuki YOKOO
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Patent number: 9598411Abstract: The disclosure relates to Substituted Benzimidazole-Type Piperidine Compounds of Formula (I): and pharmaceutically acceptable salts or solvates thereof, e.g., a pharmaceutically acceptable salt or solvate, wherein R1, R2, R3, Qa, W, U, A, B, Z, a, and the dashed lines are as defined herein, compositions comprising an effective amount of a Substituted Benzimidazole-Type Piperidine Compound, and methods to treat or prevent a condition, such as pain, comprising administering to an animal in need thereof an effective amount of a Substituted Benzimidazole-Type Piperidine Compound.Type: GrantFiled: July 15, 2015Date of Patent: March 21, 2017Assignee: Purdue Pharma L.P.Inventors: Nobuyuki Tanaka, Kenji Yamawaki, Jiangchao Yao, Jianming Yu, Xiaoming Zhou
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Patent number: 9527866Abstract: The invention relates to processes for the production of intermediates for preparing 2-alkyl cephem compounds useful as antimicrobial drugs. The invention provides a process which comprises oxidating a compound of the formula (I) or a salt thereof to give a compound of the formula (II) or a salt thereof wherein each symbol is as defined in the specification.Type: GrantFiled: October 29, 2013Date of Patent: December 27, 2016Assignee: SHIONOGI & CO., LTD.Inventors: Katsuki Yokoo, Shinya Hisakawa, Kenji Yamawaki, Toshiaki Aoki, Yutaka Yokota, Masatoshi Takeo, Mikito Asai
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Patent number: 9334289Abstract: The present invention provides a novel compound which has a wide antimicrobial spectrum, and in particular exhibits potent antimicrobial activity against beta-lactamase producing Gram negative bacteria. Specifically, the present invention provides a compound of the formula (I): wherein each symbol is as defined in the specification, or an amino-protected compound when the amino group is present on the ring in the 7-side chain, or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same.Type: GrantFiled: April 25, 2012Date of Patent: May 10, 2016Assignee: SHIONOGI & CO., LTD.Inventors: Yasuhiro Nishitani, Toshiaki Aoki, Jun Sato, Kenji Yamawaki, Katsuki Yokoo, Masayuki Sano
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Patent number: 9301939Abstract: Provided is a method for producing a chlorogenic acids composition having a reduced caffeine content and good taste and favor, capable of efficiently recovering high purity of chlorogenic acids from a chlorogenic acids-containing composition. The method for producing a purified chlorogenic acids composition comprises a step A of bringing a chlorogenic acids-containing composition into contact with a cation exchange resin; a step B of bringing the liquid obtained in the step A into contact with an anion exchange resin; and a step C of bringing an eluent into contact with the anion exchange resin after the step B.Type: GrantFiled: May 1, 2015Date of Patent: April 5, 2016Assignee: KAO CORPORATIONInventors: Kenji Yamawaki, Yukiteru Sugiyama, Hitoshi Sato
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Patent number: 9290515Abstract: A compound represented by formula (I) or a pharmaceutically acceptable salt thereof wherein A represents a group represented by one of formulae (i)-(iii); B represents a group represented by formula (v) or (vi); and E represents a substituted or unsubstituted heterocyclic group having a cationic nitrogen atom.Type: GrantFiled: October 3, 2012Date of Patent: March 22, 2016Assignee: SHIONOGI & CO., LTDInventors: Kenji Yamawaki, Masayuki Sano, Jun Sato
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Patent number: 9238657Abstract: The present disclosure describes Cephem compounds of the formula: wherein, X is N, CH or C—Cl; T is S or the like; A and G are lower alkylene or the like; B is a single bond or the like; D is optionally present, and when present is, —NR7—, —CO—, —CO—NR7—, —NR7—CO—, —NR7—CO—NR7—, or the like; F is optionally present, and when present is or phenylene; R3 and R4 are —OR8; R5 and R6 each is independently hydrogen, halogen, nitrile, or —OR8; or an ester at the carboxyl at the 7-position side chain or at the 4-position, a compound protected at the amino on the ring in the 7-side chain, a pharmaceutically acceptable salt, or a solvate thereof, which have a wide antimicrobial spectrum and have potent antimicrobial activity against beta-lactamase producing Gram negative bacteria.Type: GrantFiled: October 27, 2009Date of Patent: January 19, 2016Assignee: SHIONOGI & CO., LTD.Inventors: Yasuhiro Nishitani, Kenji Yamawaki, Yusuke Takeoka, Hideki Sugimoto, Shinya Hisakawa, Toshiaki Aoki