ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,676, issued on March 18, was assigned to TOYO SEIKAN GROUP HOLDINGS LTD. (Tokyo).
"Cell culture system" was invented by Osamu Koseki (Kanagawa, Japan) and Satoshi Tanaka (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cell culture system includes a culture bag made of a flexible packaging material and having a plurality of ports, a medium container that stores a medium to be transferred to the culture bag, and a control part that controls the supply of the medium, tubular members are connected to the respective ports to circularly connect the culture bag and the medium container through the tubular members, the tubular member conn...