ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,415, issued on Nov. 25, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Ink annotation sharing method and system" was invented by Nobutaka Ide (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ink annotation sharing method is carried out in a system, which includes a first terminal operable by a first user, a second terminal operable by a second user, and an ink annotation sharing system. The ink annotation includes a stroke data set indicating an annotation added to an electronic book and metadata. The metadata includes a user identifier, a book identifier, and place data indicating a place of the annotation. The method includes t...