Patents by Inventor Yasufumi Imamoto

Yasufumi Imamoto 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).

  • Method for preparing aqueous solution containing culture medium and chelating agent
    Patent number: 9611458
    Abstract: Provided are a method for preparing a highly versatile aqueous solution having remarkably improved membrane filterability, which can be stably membrane-filtered in a short time, an aqueous solution prepared by the preparation method, a method for culturing cells using the aqueous solution which is prepared by the preparation method, a method for producing a physiologically active substance using the culturing method, a physiologically active substance produced by the method for producing a physiologically active substance, a method for performing membrane filtration of the aqueous solution which is prepared by the preparation method of the aqueous solution, a method for improving membrane filterability of the aqueous solution, and a method for producing the physiologically active substance by preparing the aqueous solution, performing membrane filtration of the aqueous solution, and then culturing cells using the resulting aqueous solution.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: April 4, 2017
    Assignee: KYOWA HAKKO KIRIN CO., LTD
    Inventors: Yoshinobu Konno, Kairo Wakamatsu, Yasufumi Imamoto, Jun Ishibashi, Ken Takahashi, Hisaya Tanaka
  • METHOD FOR PREPARING AQUEOUS SOLUTION CONTAINING CULTURE MEDIUM AND CHELATING AGENT
    Publication number: 20130267684
    Abstract: Provided are a method for preparing a highly versatile aqueous solution having remarkably improved membrane filterability, which can be stably membrane-filtered in a short time, an aqueous solution prepared by the preparation method, a method for culturing cells using the aqueous solution which is prepared by the preparation method, a method for producing a physiologically active substance using the culturing method, a physiologically active substance produced by the method for producing a physiologically active substance, a method for performing membrane filtration of the aqueous solution which is prepared by the preparation method of the aqueous solution, a method for improving membrane filterability of the aqueous solution, and a method for producing the physiologically active substance by preparing the aqueous solution, performing membrane filtration of the aqueous solution, and then culturing cells using the resulting aqueous solution.
    Type: Application
    Filed: December 27, 2011
    Publication date: October 10, 2013
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Yoshinobu Konno, Kairo Wakamatsu, Yasufumi Imamoto, Jun Ishibashi, Ken Takahashi, Hisaya Tanaka