Patents by Inventor Takaya NAKAGAWA

Takaya NAKAGAWA 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).

  • Patent number: 10391187
    Abstract: A virus inactivation and sampling apparatus for use in a process of purifying a liquid drug substance. A closed circulation line is formed by an outlet port 11 of a bag 10 containing a liquid drug substance, a first line 41, sampling means 20, a second line 42 (pH meter 30) and an inlet port 12 of the bag 10, and an acidic aqueous solution is fed through an acidic aqueous solution line 45 and circulated to inactivate viruses in the liquid drug substance.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: August 27, 2019
    Assignee: TEC PROJECT SERVICES CORPORATION
    Inventors: Hiroshi Ito, Takaya Nakagawa, Yoichi Kitsuta
  • Publication number: 20180228927
    Abstract: The present invention provides a viral inactivation and sampling apparatus for use in a process of purifying a liquid drug substance. A closed circulation line is formed by an outlet port 11 of a bag 10 containing a liquid drug substance, a first line 41, sampling means 20, a second line 42 (pH meter 30) and an inlet port 12 of the bag 10, and an acidic aqueous solution is fed through an acidic aqueous solution line 45 and circulated to inactivate viruses in the liquid drug substance.
    Type: Application
    Filed: September 15, 2015
    Publication date: August 16, 2018
    Inventors: Hiroshi ITO, Takaya NAKAGAWA, Yoichi KITSUTA