Patents by Inventor Soichiro URAI
Soichiro URAI 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).
-
Publication number: 20260217753Abstract: The present invention pertains to a novel complex of rebaudioside D having increased water-solubility, and a novel method for increasing the solubility of rebaudioside D in water. The present invention provides a complex containing Reb. D and one or more compounds selected from sugars as well as water-soluble vitamins and salts thereof, wherein the water-solubility of Reb. D at a water temperature of 25° C. is 75 mg/100 g-H2O or higher.Type: ApplicationFiled: March 23, 2026Publication date: July 30, 2026Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Koji NAGAO, Yoshiaki YOKOO, Hiroshi TAKIYAMA
-
Patent number: 12662504Abstract: The present invention pertains to a novel complex of rebaudioside D having increased water-solubility, and a novel method for increasing the solubility of rebaudioside D in water. The present invention provides a complex containing Reb. D and one or more compounds selected from sugars as well as water-soluble vitamins and salts thereof, wherein the water-solubility of Reb. D at a water temperature of 25° C. is 75 mg/100 g-H2O or higher.Type: GrantFiled: December 25, 2020Date of Patent: June 23, 2026Assignee: SUNTORY HOLDINGS LIMITEDInventors: Soichiro Urai, Koji Nagao, Yoshiaki Yokoo, Hiroshi Takiyama
-
Patent number: 12279633Abstract: A steviol glycoside composition having a total content of specific nine types of steviol glycosides is equal to or more than 60% by weight and less than 95% by weight and the total content of other steviol glycosides and Stevia-derived components is 5 to 40% by weight each relative to the total solid content weight of composition, weight-based ratios of rebaudioside A and rebaudioside D relative to the total content of the nine steviol glycosides are 35 to 75% and 5 to 30% by weight, respectively, and the composition has at least one of: methanol content is 0.10% by weight or less relative to the total content of the nine steviol glycosides; polyphenol content is 2.0% by weight or less relative to the total content of the nine steviol glycosides; and nitrogen amount is 0.40% by weight or less relative to the total amount of the nine steviol glycosides.Type: GrantFiled: August 28, 2020Date of Patent: April 22, 2025Assignee: SUNTORY HOLDINGS LIMITEDInventors: Yui Utsumi, Keisuke Takayanagi, Tomoyuki Nishibori, Soichiro Urai, Ryoki Mitsui, Yoshiaki Yokoo
-
Patent number: 11957143Abstract: The purpose of the present invention is to provide a crystal of rebaudioside D that exhibits high solubility in water. In one embodiment, the present invention provides a rebaudioside D crystal having a crystalline form ? that shows peaks in X-ray diffraction (CuK?: ?=1.5405 ?) at two or more positions selected from the group consisting of 2?=6.7±0.2 deg, 10.8±0.2 deg, 12.9±0.15 deg, and 22.2±0.2 deg.Type: GrantFiled: February 28, 2019Date of Patent: April 16, 2024Assignee: SUNTORY HOLDINGS LIMITEDInventors: Soichiro Urai, Yoshiaki Yokoo, Koji Nagao, Hiroshi Takiyama, Shoji Kudo
-
Patent number: 11873521Abstract: The purpose of the present invention is to: determine the structure of a novel steviol glycoside which is detected from species containing a large amount of Reb. C (also referred to as dulcoside B), and a trace amount of which is capable of influencing the quality of taste; and understand the taste characteristics of said steviol glycoside. The present invention provides a compound represented by formula (1) or a salt thereof, or a hydrate thereof.Type: GrantFiled: March 28, 2018Date of Patent: January 16, 2024Assignee: SUNTORY HOLDINGS LIMITEDInventors: Kazunari Iwaki, Katsuro Miyagawa, Eiichiro Ono, Tadayoshi Hirai, Misa Ochiai, Koji Nagao, Soichiro Urai, Takehiro Watanabe, Kohki Fujikawa
-
Publication number: 20230059067Abstract: The present invention pertains to a novel complex of rebaudioside D having increased water-solubility, and a novel method for increasing the solubility of rebaudioside D in water. The present invention provides a complex containing Reb. D and one or more compounds selected from sugars as well as water-soluble vitamins and salts thereof, wherein the water-solubility of Reb. D at a water temperature of 25° C. is 75 mg/100 g-H2O or higher.Type: ApplicationFiled: December 25, 2020Publication date: February 23, 2023Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Koji NAGAO, Yoshiaki YOKOO, Hiroshi TAKIYAMA
-
Publication number: 20230027601Abstract: There is demand for a novel method for manufacturing a RebD crystallized product. The present invention provides a method for manufacturing a RebD-containing crystallized product, including: a step for mixing a stevia plant-derived crude product having a total steviol glycoside content of 50-95 mass %, and containing at least RebA and RebD, into a solvent containing methanol or ethanol so that the supersaturation of RebD at 10° C. is at least 10 and the supersaturation of RebA at 10° C. does not exceed 18, and adjusting a crystallization solution; and a step for cooling the crystallization solution under stirring and causing RebD to precipitate.Type: ApplicationFiled: October 30, 2020Publication date: January 26, 2023Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Yui UTSUMI, Keisuke TAKAYANAGI, Tomoyuki NISHIBORI, Ryoki MITSUI, Yoshiaki YOKOO, Koji NAGAO
-
Publication number: 20220363705Abstract: There is demand for a novel method for manufacturing a RebD crystallized product. The present invention provides a method for manufacturing a RebD-containing crystallized product, characterized in including: a step for mixing a stevia plant-derived crude product having a total steviol glycoside content of 50-95 mass %, and containing at least RebA and RebD, in a solvent containing ethanol and having a methanol concentration of 1 mg/L or less, and adjusting a crystallization solution; and a step for cooling the crystallization solution under stirring and causing RebD to precipitate.Type: ApplicationFiled: October 30, 2020Publication date: November 17, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Yui UTSUMI, Keisuke TAKAYANAGI, Tomoyuki NISHIBORI, Ryoki MITSUI, Yoshiaki YOKOO, Koji NAGAO
-
Publication number: 20220338511Abstract: A beverage in which foaming is suppressed and a stevia extract is blended, and a method for producing the same. A beverage, wherein a total content of RebA and RebD and/or RebM is 1 to 15 in Brix in terms of sucrose, a content of RebD and/or RebM is 1 or more in Brix in terms of sucrose, and ((RebD and/or RebM)/RebA) is 0.35 or more in a mass ratio.Type: ApplicationFiled: July 6, 2022Publication date: October 27, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Akiko IZUMI, Soichiro URAI, Tomoyuki NISHIBORI
-
Publication number: 20220312798Abstract: The present invention provides: a novel beverage having foam retentivity; and a method for improving foam retentivity. The present invention provides a beverage containing rebaudioside D and a compound represented by formula (1)(in the formula, R1 represents Xyl(1-2)Glc1-, and R2 represents Glc(1-2)[Glc(1-3)]Glc1-, Glc represents glucose, and Xyl represents xylose), wherein the sum of the content of rebaudioside D and the compound represented by formula (1) is 30-600 ppm, and the content of the compound represented by formula (1) in terms of mass is 0.5-95% of the aforementioned sum.Type: ApplicationFiled: August 7, 2020Publication date: October 6, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Ryoki MITSUI, Soichiro URAI, Yoshiaki YOKOO, Koji NAGAO
-
Publication number: 20220295847Abstract: An aspect of the present invention provides a method for producing a rebaudioside D-containing aqueous composition comprising rebaudioside D at a concentration of 500 ppm by weight or more, the method comprising a step of stirring for dispersing a steviol glycoside component containing rebaudioside D and water in a temperature range of 40° C. to 100° C. under high shear at a tip speed (peripheral speed) of a rotor of 15 m/s or more, wherein the steviol glycoside component comprises more than 50% by weight of rebaudioside D based on a total weight of the steviol glycoside component.Type: ApplicationFiled: August 20, 2020Publication date: September 22, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Koji NAGAO, Yoshiaki YOKOO, Georgina RENTLE, Zafer GEZGIN
-
Publication number: 20220273003Abstract: A steviol glycoside composition having a total content of specific nine types of steviol glycosides is equal to or more than 60% by weight and less than 95% by weight and the total content of other steviol glycosides and stevia-derived components is 5 to 40% by weight each relative to the total solid content weight of composition, weight-based ratios of rebaudioside A and rebaudioside D relative to the total content of the nine steviol glycosides are 35 to 75% and 5 to 30% by weight, respectively, and the composition has at least one of: methanol content is 0.10% by weight or less relative to the total content of the nine steviol glycosides; polyphenol content is 2.0% by weight or less relative to the total content of the nine steviol glycosides; and nitrogen amount is 0.40% by weight or less relative to the total amount of the nine steviol glycosides.Type: ApplicationFiled: August 28, 2020Publication date: September 1, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Yui UTSUMI, Keisuke TAKAYANAGI, Tomoyuki NISHIBORI, Soichiro URAI, Ryoki MITSUI, Yoshiaki YOKOO
-
Publication number: 20220273008Abstract: The present invention provides a plant body containing a compound represented by Formula (1), or a salt or a hydrate thereof: [in the formula: (i) R1 represents Xyl(1-2)Glc1- and R2 represents Glc(1-2)[Glc(1-3)]Glc1- or (ii) R1 represents Glc(1-2)[Glc(1-3)]Glc1- and R2 represents Xyl(1-2)[Glc(1-3)]Glc1- (where Glc stands for glucose and Xyl stands for xylose)].Type: ApplicationFiled: July 30, 2020Publication date: September 1, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Kazunari IWAKI, Katsuro MIYAGAWA, Tadayoshi HIRAI, Koji NAGAO, Yoshiaki YOKOO, Takehiro WATANABE, Kohki FUJIKAWA
-
Patent number: 11419352Abstract: There are provided a beverage in which foaming is suppressed and a stevia extract is blended, and a method for producing the same. A beverage, wherein a total content of RebA and RebD and/or RebM is 1 to 15 in Brix in terms of sucrose, a content of RebD and/or RebM is 1 or more in Brix in terms of sucrose, and ((RebD and/or RebM)/RebA) is 0.35 or more in a mass ratio.Type: GrantFiled: October 13, 2016Date of Patent: August 23, 2022Assignee: SUNTORY HOLDINGS LIMITEDInventors: Akiko Izumi, Soichiro Urai, Tomoyuki Nishibori
-
Publication number: 20220256902Abstract: The present invention provides a novel steviol glycoside containing xylose. According to the present invention, there is provided a compound represented by formula (1), or a salt or hydrate thereof. (In formula, (i) R1 represents Xyl(1-2)Glc1- and R2 represents Glc(1-2)[Glc(1-3)]Glc1-; or (ii) R1 represents Glc(1-2)[Glc(1-3)]Glc1- and R2 represents Xyl(1-2)[Glc(1-3)]Glc1-, where Glc represents glucose and Xyl represents xylose.Type: ApplicationFiled: July 30, 2020Publication date: August 18, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Kazunari IWAKI, Katsuro MIYAGAWA, Tadayoshi HIRAI, Koji NAGAO, Yoshiaki YOKOO, Takehiro WATANABE, Kohki FUJIKAWA
-
Publication number: 20220226354Abstract: The development of a superior GLP-1 secretion-promoting component is expected. The present invention provides a GLP-1 secretion-promoting composition comprising a GLP-1 secretion-promoting component and an emulsified particle that contains an oil-in-water emulsifying agent.Type: ApplicationFiled: April 22, 2020Publication date: July 21, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Koji NAGAO, Yoshiaki YOKOO
-
Publication number: 20220211731Abstract: It has been expected to develop a better GLP-1 secretagogue component. The present invention provides a composition for promoting GLP-1 secretion that contains emulsified particles comprising an amphiphilic GLP-1 secretagogue component and an emulsifier, wherein the emulsifier is an oil-in-water type emulsifier and the GLP-1 secretagogue component is incorporated in the emulsified particles.Type: ApplicationFiled: April 22, 2020Publication date: July 7, 2022Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Koji NAGAO, Yoshiaki YOKOO
-
Publication number: 20200404955Abstract: The purpose of the present invention is to provide a crystal of rebaudioside D that exhibits high solubility in water. In one embodiment, the present invention provides a rebaudioside D crystal having a crystalline form ? that shows peaks in X-ray diffraction (CuK?: ?=1.5405 ?) at two or more positions selected from the group consisting of 2?=6.7±0.2 deg, 10.8±0.2 deg, 12.9±0.15 deg, and 22.2±0.2 deg.Type: ApplicationFiled: February 28, 2019Publication date: December 31, 2020Applicant: SUNTORY HOLDINGS LIMITEDInventors: Soichiro URAI, Yoshiaki YOKOO, Koji NAGAO, Hiroshi TAKIYAMA, Shoji KUDO
-
Publication number: 20200224235Abstract: The purpose of the present invention is to: determine the structure of a novel steviol glycoside which is detected from species containing a large amount of Reb. C (also referred to as dulcoside B), and a trace amount of which is capable of influencing the quality of taste; and understand the taste characteristics of said steviol glycoside. The present invention provides a compound represented by formula (1) or a salt thereof, or a hydrate thereof.Type: ApplicationFiled: March 28, 2018Publication date: July 16, 2020Applicant: SUNTORY HOLDINGS LIMITEDInventors: Kazunari IWAKI, Katsuro MIYAGAWA, Eiichiro ONO, Tadayoshi HIRAI, Misa OCHIAI, Koji NAGAO, Soichiro URAI, Takehiro WATANABE, Kohki FUJIKAWA
-
Publication number: 20190352324Abstract: The purpose of the present invention is to determine the structure of a novel steviol glycoside that is detected in cultivers containing an abundance of Reb.C (also called dulcoside B) and that affects the quality of taste in a small amount, and to identify the quality of taste properties. According to the present invention, a compound represented by formula (1), or a derivative, salt, or hydrate thereof is provided.Type: ApplicationFiled: December 26, 2017Publication date: November 21, 2019Applicant: SUNTORY HOLDINGS LIMITEDInventors: Kazunari IWAKI, Katsuro MIYAGAWA, Eiichiro ONO, Tadayoshi HIRAI, Misa OCHIAI, Koji NAGAO, Soichiro URAI, Takehiro WATANABE, Kohki FUJIKAWA