Patents by Inventor Tomohiro Hirahashi

Tomohiro Hirahashi 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: 20230210925
    Abstract: A composition for activating cytotoxic T lymphocytes (CTLs) containing a spirulina extract is provided. A composition for CTL activation for proliferation of cytotoxic T lymphocytes (CTLs) containing a spirulina extract is provided. Moreover, a pharmaceutical composition for CTL activation or a food or a drink for CTL activation containing the composition for CTL activation is provided.
    Type: Application
    Filed: July 9, 2021
    Publication date: July 6, 2023
    Applicants: DIC Corporation, National University Corporation Hokkaido University
    Inventors: Yasuyuki Imai, Tomohiro Hirahashi, Masanori Kasahara, Aya Miyazaki, Tsukasa Seya, Misako Matsumoto, Utano Tomaru
  • Publication number: 20220232875
    Abstract: Provided is a food or beverage having a skin-beautifying effect, for example, a food or beverage that suppresses an increase in transepidermal water loss (TEWL) of the skin, increases stratum corneum hydration, or improves skin wrinkles, spots, and the like. The food or beverage according to the invention is a food or beverage for beautiful skin containing phycocyanin as an active ingredient.
    Type: Application
    Filed: October 30, 2019
    Publication date: July 28, 2022
    Applicant: DIC Corporation
    Inventors: Yasuyuki Imai, Tomohiro Hirahashi
  • Patent number: 7326558
    Abstract: The treatment of spirulina by a process which includes placing spirulina that has not been previously heat-sterilized, lactic acid bacteria and sugar in water, then culturing the lactic acid bacteria provides treated spirulina in which the distinctive taste and odor of spirulina are minimized, in which active ingredients such as phycocyanin remain intact, and which contains a reduced level of bacteria other than lactic acid bacteria.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: February 5, 2008
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Masaki Sakakibara, Yoshitsugu Fukuda, Akiko Sekiya, Hideji Nishihashi, Tomohiro Hirahashi
  • Publication number: 20060210545
    Abstract: The treatment of spirulina by a process which includes placing spirulina that has not been previously heat-sterilized, lactic acid bacteria and sugar in water, then culturing the lactic acid bacteria provides treated spirulina in which the distinctive taste and odor of spirulina are minimized, in which active ingredients such as phycocyanin remain intact, and which contains a reduced level of bacteria other than lactic acid bacteria.
    Type: Application
    Filed: March 16, 2005
    Publication date: September 21, 2006
    Applicant: DAINIPPON INK AND CHEMICALS, INC.
    Inventors: Masaki Sakakibara, Yoshitsugu Fukuda, Akiko Sekiya, Hideji Nishihashi, Tomohiro Hirahashi