ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,078, issued on Aug. 12, was assigned to Shanghai Bilibili Technology Co. Ltd. (Shanghai).

"Bullet-screen-comment-based check-in implementation and creation" was invented by Yicong Mei (Shanghai), Guojia Chen (Shanghai), Lei Cao (Shanghai), Tao Zeng (Shanghai) and Jianqiang Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bullet-screen-comment-based check-in implementation method is provided. The method includes: detecting whether a playback progress of a video reaches a preset first playback progress; in response to detecting that the playback progress of the video reaches the preset first playback progress, displaying, based on a vi...