US Patent Issued to TOYO SEIKAN GROUP HOLDINGS on May 20 for "Cell culture method and cell culture system" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,194, issued on May 20, was assigned to TOYO SEIKAN GROUP HOLDINGS LTD. (Tokyo).

"Cell culture method and cell culture system" was invented by Takahiko Totani (Yokohama, Japan), Yousuke Matsuoka (Yokohama, Japan) and Satoshi Tanaka (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell culture method and a cell culture system, wherein: at least a part of a culture surface of a culture container is formed of a base material, the base material having a contact angle of not more than 84deg, being selected from polyethylene, polypropylene, polymethylpentene, cyclic olefin polymer, cyclic olefin copolymer, polyvinyl chloride, polyurethane,...