Patents by Inventor Kohki FUJIKAWA

Kohki FUJIKAWA 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).

  • Steviol glycoside and production method therefor, and sweetener composition containing same
    Patent number: 11873521
    Abstract: 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: Grant
    Filed: March 28, 2018
    Date of Patent: January 16, 2024
    Assignee: SUNTORY HOLDINGS LIMITED
    Inventors: Kazunari Iwaki, Katsuro Miyagawa, Eiichiro Ono, Tadayoshi Hirai, Misa Ochiai, Koji Nagao, Soichiro Urai, Takehiro Watanabe, Kohki Fujikawa
  • PLANT BODY CONTAINING NOVEL STEVIOL GLYCOSIDE
    Publication number: 20220273008
    Abstract: 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: Application
    Filed: July 30, 2020
    Publication date: September 1, 2022
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Soichiro URAI, Kazunari IWAKI, Katsuro MIYAGAWA, Tadayoshi HIRAI, Koji NAGAO, Yoshiaki YOKOO, Takehiro WATANABE, Kohki FUJIKAWA
  • NOVEL STEVIOL GLYCOSIDE, METHOD FOR PRODUCING SAME, AND SWEETENER COMPOSITION CONTAINING SAME
    Publication number: 20220256902
    Abstract: 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: Application
    Filed: July 30, 2020
    Publication date: August 18, 2022
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Soichiro URAI, Kazunari IWAKI, Katsuro MIYAGAWA, Tadayoshi HIRAI, Koji NAGAO, Yoshiaki YOKOO, Takehiro WATANABE, Kohki FUJIKAWA
  • NOVEL STEVIOL GLYCOSIDE AND PRODUCTION METHOD THEREFOR, AND SWEETENER COMPOSITION CONTAINING SAME
    Publication number: 20200224235
    Abstract: 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: Application
    Filed: March 28, 2018
    Publication date: July 16, 2020
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Kazunari IWAKI, Katsuro MIYAGAWA, Eiichiro ONO, Tadayoshi HIRAI, Misa OCHIAI, Koji NAGAO, Soichiro URAI, Takehiro WATANABE, Kohki FUJIKAWA
  • NOVEL STEVIOL GLYCOSIDE, METHOD FOR PRODUCING SAME, AND SWEETENER COMPOSITION CONTAINING SAME
    Publication number: 20190352324
    Abstract: 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: Application
    Filed: December 26, 2017
    Publication date: November 21, 2019
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Kazunari IWAKI, Katsuro MIYAGAWA, Eiichiro ONO, Tadayoshi HIRAI, Misa OCHIAI, Koji NAGAO, Soichiro URAI, Takehiro WATANABE, Kohki FUJIKAWA