ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,647, issued on April 8, was assigned to Junpeng Wu (Shenzhen, China).

"Sexual stimulation device" was invented by Qinling Wang (Guangdong, China), Junpeng Wu (Shenzhen, China) and Qinduo Wang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sexual stimulation device includes a shell, a first driving unit and a second driving unit. The shell includes a massage portion formed at one end thereof, wherein the massage portion is configured to be inserted into a rectum or a vagina of a human body. An outer surface of the massage portion serves as a massage surface of the sexual stimulation device for contacting a rectum wall or a vaginal...