Patents by Inventor Che Wen Chang

Che Wen Chang 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: 20190136187
    Abstract: A blood isolation and extraction method includes: providing a predetermined amount of blood; utilizing a platelet filter unit to filter the predetermined amount of blood to generate a filtered blood; utilizing a plasma separation unit to divide the filtered blood into a plasma layer and a blood cell layer for separating blood cells from blood plasma; and extracting the blood plasma from the plasma layer and the blood cells from the blood cell layer. In another embodiment, the blood isolation and extraction method further includes: providing a platelet-washing unit to wash the platelet filter unit with a solution to produce a platelet solution; and mixing the platelet solution with the blood plasma to produce a platelet and plasma mixed solution.
    Type: Application
    Filed: December 31, 2018
    Publication date: May 9, 2019
    Inventors: Yi-Chang Chung, Kai-Ming Wu, Che-Wen Chang
  • Publication number: 20170368251
    Abstract: A blood isolation and extraction method includes: providing a predetermined amount of blood; utilizing a platelet filter unit to filter the predetermined amount of blood to generate a filtered blood; utilizing a plasma separation unit to divide the filtered blood into a plasma layer and a blood cell layer for separating blood cells from blood plasma; and extracting the blood plasma from the plasma layer and the blood cells from the blood cell layer. In another embodiment, the blood isolation and extraction method further includes: providing a platelet-washing unit to wash the platelet filter unit with a solution to produce a platelet solution; and mixing the platelet solution with the blood plasma to produce a platelet and plasma mixed solution.
    Type: Application
    Filed: June 26, 2016
    Publication date: December 28, 2017
    Inventors: Yi-Chang Chung, Yi-Hong Chiu, Chia-Chune Wu, Che-Wen Chang, Kai-Ming Wu
  • Publication number: 20080237280
    Abstract: A carrying device includes a cushioning bag having two side walls pivotally coupled together for allowing the side walls to be folded toward each other and for receiving an electric facility between the side walls, and a closing device for openably closing the cushioning bag in order to stably retain the electric facility within the cushioning bag, the cushioning bag includes an air envelope for engaging with the electric facility and for cushioning and protecting the electric facility. The cushioning bag includes an outer layer and an inner layer having an outer peripheral portion secured together to form the air envelope.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 2, 2008
    Inventor: Che Wen Chang