Patents by Inventor Chikako Sumiyoshi

Chikako Sumiyoshi 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: 20150275172
    Abstract: A cell culture device includes a hydrogel layer formed into a pattern on a substrate and a layer of cell culture part formed on the substrate to cover the hydrogel layer. The surface of the cell culture part functions as the plane for seeding a first cell species. The hydrogel layer is impregnated with a cell growth factor, and has a thickness which enables release of the cell growth factor from the hydrogel layer into the cell culture part throughout the cell culture period.
    Type: Application
    Filed: September 27, 2013
    Publication date: October 1, 2015
    Inventors: Yasuhiko Tabata, Naoko Obi, Chikako Sumiyoshi, Hideki Murakami