US Patent Issued to TOYO SEIKAN GROUP HOLDINGS on March 25 for "Method for producing culture vessel, and culture vessel" (Japanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,548, issued on March 25, was assigned to TOYO SEIKAN GROUP HOLDINGS LTD. (Tokyo).

"Method for producing culture vessel, and culture vessel" was invented by Takaharu Nishiyama (Kanagawa, Japan), Satoshi Tanaka (Kanagawa, Japan), Osamu Koseki (Kanagawa, Japan), Takahiko Totani (Kanagawa, Japan) and Yosuke Matsuoka (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the production of a culture vessel in which a low cell-adhesive polymer as a coating agent is applied to a culture surface having a plurality of concave parts formed thereon, a use amount of the coating agent can be reduced. The low cell-adhesive polymer as the coating agent...