Patents by Inventor Nao Kamezawa

Nao Kamezawa 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).

  • Liquid coffee extract and drink containing same
    Patent number: 11825859
    Abstract: A coffee extract with increased coffee-specific aroma and reduced off-flavors is provided. The ratio of (A) the peak area ratio of 2,3-butanedione to (B) the sum of the peak area ratio of guaiacol and the peak area ratio of 4-ethylguaiacol [(A)/(B)] in the coffee extract is adjusted to a specific range. Alternatively, the ratio of (a) the concentration (ppb) of 2,3-butanedione to (b) the total concentration (ppb) of guaiacol and 4-ethylguaiacol [(a)/(b)] in the coffee extract is adjusted to a specific range.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: November 28, 2023
    Assignee: SUNTORY HOLDINGS LIMITED
    Inventors: Toshihiro Nishiumi, Nao Kamezawa, Atsushi Mukai, Takashi Mukai
  • Method for producing coffee extract liquid
    Patent number: 11805786
    Abstract: A method for producing a coffee extract with increased coffee-specific aroma and reduced off-flavors is provided. A coffee extract prepared by extraction at low temperature (70 to 120° C.) in the first extraction step is mixed with a coffee extract prepared by an evaporative concentration treatment after the second extraction step, in which roasted and ground coffee beans used in the first extraction step is used for extraction at high temperature (125 to 150° C.).
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: November 7, 2023
    Assignee: SUNTORY HOLDINGS LIMITED
    Inventors: Toshihiro Nishiumi, Nao Kamezawa, Atsushi Mukai, Takashi Mukai
  • METHOD FOR PRODUCING ALCOHOL-CONTAINING GREEN COFFEE BEANS
    Publication number: 20230240317
    Abstract: The present invention has as its object to provide a method for producing green coffee beans that can be used to make coffee beverages with a fruity aroma. Dining the process of producing green coffee beans, the following steps are performed: heating green coffee beans, and contacting the heated green coffee beans with an alcohol.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 3, 2023
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Makoto Nakajima, Akira Soguchi, Tomonori Suzuki, Nao Kamezawa
  • METHOD FOR PRODUCING COFFEE EXTRACT LIQUID
    Publication number: 20220030903
    Abstract: A method for producing a coffee extract with increased coffee-specific aroma and reduced off-flavors is provided. A coffee extract prepared by extraction at low temperature (70 to 120° C.) in the first extraction step is mixed with a coffee extract prepared by an evaporative concentration treatment after the second extraction step, in which roasted and ground coffee beans used in the first extraction step is used for extraction at high temperature (125 to 150° C.).
    Type: Application
    Filed: June 4, 2019
    Publication date: February 3, 2022
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Toshihiro Nishiumi, Nao Kamezawa, Atsushi Mukai, Takashi Mukai
  • LIQUID COFFEE EXTRACT
    Publication number: 20210337822
    Abstract: A coffee extract with increased coffee-specific aroma and reduced off-flavors is provided. The ratio of (A) the peak area ratio of 2,3-butanedione to (B) the sum of the peak area ratio of guaiacol and the peak area ratio of 4-ethylguaiacol [(A)/(B)] in the coffee extract is adjusted to a specific range. Alternatively, the ratio of (a) the concentration (ppb) of 2,3-butanedione to (b) the total concentration (ppb) of guaiacol and 4-ethylguaiacol [(a)/(b)] in the coffee extract is adjusted to a specific range.
    Type: Application
    Filed: December 25, 2019
    Publication date: November 4, 2021
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Toshihiro Nishiumi, Nao Kamezawa, Atsushi Mukai, Takashi Mukai