ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,282, issued on March 31, was assigned to Sharp K.K. (Sakai City, Japan).

"Cell culture apparatus" was invented by Manabu Daio (Sakai City, Japan), Tomoko Teranishi (Sakai City, Japan), Satoshi Ihida (Sakai City, Japan) and Chihiro Tachino (Sakai City, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell culture apparatus includes: a substrate having a first surface; a pair of structures each having a wall surface intersecting the first surface, the wall surfaces facing each other; and an electrode disposed on the first surface and traversing a space between the wall surfaces, the electrode and each of the wall surfaces forming an angle other...