Patents by Inventor Takatsugu TAJIMA

Takatsugu TAJIMA 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: 20230397602
    Abstract: In a cell cryopreservation hollow fiber membrane made of a cellulose ester, a decrease in strength during the use for cell cryopreservation is suppressed. A cell cryopreservation hollow fiber membrane, comprising a cellulose ester, wherein the breaking strength in thawing the cell cryopreservation hollow fiber membrane after freezing by vitrification freezing is 80% or more of the breaking strength during wetting before the freezing.
    Type: Application
    Filed: October 26, 2021
    Publication date: December 14, 2023
    Applicant: TOYOBO CO., LTD.
    Inventors: Takatsugu TAJIMA, Yoshinori TAKII