Patents by Inventor Yuka Murakami

Yuka Murakami 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).

  • Plant extract containing diketopiperazine and method for producing same
    Patent number: 11382911
    Abstract: A diketopiperazine mixture suitable for mixing with a food or drink and a method for producing the mixture. High-temperature and high-pressure treatment of plant peptides in a liquid allows production of a plant extract containing a high concentration of diketopiperazines including cyclo-leucyl-leucine and cyclo-leucyl-phenylalanine. Diketopiperazines having excellent flavor derived from a plant natural product and can produce a food or drink provided with the functions of the diketopiperazines by directly mixing the diketopiperazines with the food or drink.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: July 12, 2022
    Assignee: SUNTORY HOLDINGS LIMITED
    Inventors: Kenji Yamamoto, Yoshinori Beppu, Koichi Nakahara, Tomonori Suzuki, Soichiro Shima, Yuka Murakami
  • PLANT EXTRACT CONTAINING DIKETOPIPERAZINE AND METHOD FOR PRODUCING SAME
    Publication number: 20190336569
    Abstract: A diketopiperazine mixture suitable for mixing with a food or drink and a method for producing the mixture. High-temperature and high-pressure treatment of plant peptides in a liquid allows production of a plant extract containing a high concentration of diketopiperazines including cyclo-leucyl-leucine and cyclo-leucyl-phenylalanine. Diketopiperazines having excellent flavor derived from a plant natural product and can produce a food or drink provided with the functions of the diketopiperazines by directly mixing the diketopiperazines with the food or drink.
    Type: Application
    Filed: July 19, 2019
    Publication date: November 7, 2019
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Kenji Yamamoto, Yoshinori Beppu, Koichi Nakahara, Tomonori Suzuki, Soichiro Shima, Yuka Murakami
  • PLANT EXTRACT CONTAINING DIKETOPIPERAZINE AND METHOD FOR PRODUCING SAME
    Publication number: 20160106130
    Abstract: Provided are a diketopiperazine mixture suitable for mixing with a food or drink and a method for producing the mixture. High-temperature and high-pressure treatment of plant peptides in a liquid allows production of a plant extract containing a high concentration of diketopiperazines including cyclo-leucyl-leucine and cyclo-leucyl-phenylalanine. The present invention can provide diketopiperazines having excellent flavor derived from a plant natural product and can produce a food or drink provided with the functions of the diketopiperazines by directly mixing the diketopiperazines with the food or drink.
    Type: Application
    Filed: June 10, 2014
    Publication date: April 21, 2016
    Applicants: SUNTORY HOLDINGS LIMITED, SUNTORY HOLDINGS LIMITED
    Inventors: Kenji Yamamoto, Yoshinori Beppu, Koichi Nakahara, Tomonori Suzuki, Soichiro Shima, Yuka Murakami