Patents by Inventor Doo-Hoon Lee

Doo-Hoon Lee 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: 8329457
    Abstract: The present invention discloses a bioartificial liver system comprising a fixed-bed bioreactor packed with gel beads containing hepatocytes of an animal, a plasma reservoir, a plasma separator, and an efflux chamber, wherein the plasma reservoir is located at a position higher than the bioreactor, a ventilation filter in contact with atmosphere is provided at the top of the plasma reservoir, and the top of the plasma reservoir is directly connected to the efflux chamber via a connecting line. The inventive system satisfactorily performs the essential liver functions without the problems of gel bead damage or channeling.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: December 11, 2012
    Assignees: Lifecord Inc.
    Inventors: Jung Keug Park, Sung Koo Kim, Suk Koo Lee, Young-Jin Kim, Doo-Hoon Lee, Ji-Hyun Lee, Hee-Hoon Yoon, Jae-Nam Ryu, Choon-Hyuck Kwon, Jeong-Kwon Noh, Hey-Jung Park
  • Publication number: 20100126923
    Abstract: The present invention discloses a bioartificial liver system comprising a fixed-bed bioreactor packed with gel beads containing hepatocytes of an animal, a plasma reservoir, a plasma separator, and an efflux chamber, wherein the plasma reservoir is located at a position higher than the bioreactor, a ventilation filter in contact with atmosphere is provided at the top of the plasma reservoir, and the top of the plasma reservoir is directly connected to the efflux chamber via a connecting line. The inventive system satisfactorily performs the essential liver functions without the problems of gel bead damage or channeling.
    Type: Application
    Filed: March 28, 2008
    Publication date: May 27, 2010
    Inventors: Jung Keug Park, Sung Koo Kim, Suk Koo Lee, Young-Jin Kim, Doo-Hoon Lee, Ji-Hyun Lee, Hee-Hoon Yoon, Jae-Nam Ryu, Choon-Hyuck Kwon, Jeong-Kwon Noh, Hey-Jung Park
  • Patent number: 7635589
    Abstract: The inventive method for the preparation of a dermal papilla tissue in accordance with the present invention makes it possible to form a quantity of the dermal papilla tissues having hair follicle inductive ability, and accordingly, it can be effectively used for the treatment of alopecia through cell transplantation.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: December 22, 2009
    Assignees: Lifecord Inc., Corp.
    Inventors: Jung-Keug Park, Doo-Hoon Lee, Hee-Hoon Yoon, Youn-Ho Shin, Young Jin Kim
  • Publication number: 20080145929
    Abstract: The inventive method for the preparation of a dermal papilla tissue in accordance with the present invention makes it possible to form a quantity of the dermal papilla tissues having hair follicle inductive ability, and accordingly, it can be effectively used for the treatment of alopecia through cell transplantation.
    Type: Application
    Filed: November 29, 2005
    Publication date: June 19, 2008
    Inventors: Jung-Keug Park, Doo-Hoon Lee, Hee-Hoon Yoon, Youn-Ho Shin, Young Jin Kim