Patents by Inventor Tomoko SHOFUDA

Tomoko SHOFUDA 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: 20200056158
    Abstract: Disclosed are a method for screening for a growth-promoting factor for pluripotent stem cells with a conditioned medium which is generated by culturing feeder cells in a serum-free medium that contains L-ascorbic acid, insulin, transferrin, selenium, and sodium bicarbonate and does not contain a serum nor serum replacement; a method for growing pluripotent stem cells via feeder-free culture using the conditioned medium; and a method for growing pluripotent stem cells by carrying out feeder-free culture of pluripotent stem cells cultured in advance on feeder cells in the serum-free medium.
    Type: Application
    Filed: July 23, 2019
    Publication date: February 20, 2020
    Applicants: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa KATO, Yonehiro KANEMURA, Tomoko SHOFUDA, Hayato FUKUSUMI
  • Patent number: 10415018
    Abstract: This invention relates to a method for screening for a growth-promoting factor for pluripotent stem cells with a conditioned medium which is generated by culturing feeder cells in a serum-free medium that contains L-ascorbic acid, insulin, transferrin, selenium, and sodium bicarbonate and does not contain a serum nor serum replacement; a method for growing pluripotent stem cells via feeder-free culture using the conditioned medium; and a method for growing pluripotent stem cells by carrying out feeder-free culture of pluripotent stem cells cultured in advance on feeder cells in the serum-free medium.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: September 17, 2019
    Assignees: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa Kato, Yonehiro Kanemura, Tomoko Shofuda, Hayato Fukusumi
  • Patent number: 10377984
    Abstract: It is an object of the present invention to provide a cell culture medium capable of enhancing cell growth efficiency without using feeder cells, in particular which does not comprise serum. The present invention provides a cell culture medium which comprises growth arrest-specific 6 (GAS6) and does not comprise serum.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: August 13, 2019
    Assignees: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa Kato, Yonehiro Kanemura, Tomoko Shofuda, Hayato Fukusumi
  • Publication number: 20180355324
    Abstract: This invention relates to a method for screening for a growth-promoting factor for pluripotent stem cells with a conditioned medium which is generated by culturing feeder cells in a serum-free medium that contains L-ascorbic acid, insulin, transferrin, selenium, and sodium bicarbonate and does not contain a serum nor serum replacement; a method for growing pluripotent stem cells via feeder-free culture using the conditioned medium; and a method for growing pluripotent stem cells by carrying out feeder-free culture of pluripotent stem cells cultured in advance on feeder cells in the serum-free medium.
    Type: Application
    Filed: August 2, 2018
    Publication date: December 13, 2018
    Applicants: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa KATO, Yonehiro KANEMURA, Tomoko SHOFUDA, Hayato FUKUSUMI
  • Publication number: 20180320130
    Abstract: It is an object of the present invention to provide a cell culture medium capable of enhancing cell growth efficiency without using feeder cells, in particular which does not comprise serum. The present invention provides a cell culture medium which comprises growth arrest-specific 6 (GAS6) and does not comprise serum.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 8, 2018
    Applicants: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa KATO, Yonehiro KANEMURA, Tomoko SHOFUDA, Hayato FUKUSUMI
  • Patent number: 10066211
    Abstract: This invention relates to a method for screening for a growth-promoting factor for pluripotent stem cells with a conditioned medium which is generated by culturing feeder cells in a serum-free medium that contains L-ascorbic acid, insulin, transferrin, selenium, and sodium bicarbonate and does not contain a serum nor serum replacement; a method for growing pluripotent stem cells via feeder-free culture using the conditioned medium; and a method for growing pluripotent stem cells by carrying out feeder-free culture of pluripotent stem cells cultured in advance on feeder cells in the serum-free medium.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: September 4, 2018
    Assignees: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa Kato, Yonehiro Kanemura, Tomoko Shofuda, Hayato Fukusumi
  • Publication number: 20170226471
    Abstract: It is an object of the present invention to provide a cell culture medium capable of enhancing cell growth efficiency without using feeder cells, in particular wherein the cell culture medium does not comprise serum. According to the present invention, a cell culture medium comprising fibrin 5 and Zeta polypeptide is provided.
    Type: Application
    Filed: August 19, 2015
    Publication date: August 10, 2017
    Applicants: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa KATO, Yonehiro KANEMURA, Tomoko SHOFUDA, Hayato FUKUSUMI
  • Publication number: 20160376549
    Abstract: It is an object of the present invention to provide a cell culture medium capable of enhancing cell growth efficiency without using feeder cells, in particular which does not comprise serum. The present invention provides a cell culture medium which comprises growth arrest-specific 6 (GAS6) and does not comprise serum.
    Type: Application
    Filed: November 21, 2014
    Publication date: December 29, 2016
    Applicants: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa KATO, Yonehiro KANEMURA, Tomoko SHOFUDA, Hayato FUKUSUMI
  • Publication number: 20160177272
    Abstract: This invention relates to a method for screening for a growth-promoting factor for pluripotent stem cells with a conditioned medium which is generated by culturing feeder cells in a serum-free medium that contains L-ascorbic acid, insulin, transferrin, selenium, and sodium bicarbonate and does not contain a serum nor serum replacement; a method for growing pluripotent stem cells via feeder-free culture using the conditioned medium; and a method for growing pluripotent stem cells by carrying out feeder-free culture of pluripotent stem cells cultured in advance on feeder cells in the serum-free medium.
    Type: Application
    Filed: June 3, 2014
    Publication date: June 23, 2016
    Applicants: KANEKA CORPORATION, NATIONAL HOSPITAL ORGANIZATION
    Inventors: Tomohisa KATO, Yonehiro KANEMURA, Tomoko SHOFUDA, Hayato FUKUSUMI