US Patent Issued to Hiroshima University on Feb. 4 for "Method for separating mammalian sperm, artificial insemination method, and in vitro fertilization method" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,213,860, issued on Feb. 4, was assigned to Hiroshima University (Higashihiroshima, Japan).

"Method for separating mammalian sperm, artificial insemination method, and in vitro fertilization method" was invented by Masayuki Shimada (Hiroshima, Japan), Takashi Umehara (Hiroshima, Japan), Masaaki Goto (Oita, Japan) and Moeka Kugumiya (Oita, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a method for separating mammalian sperm, by which even a large amount of sperm can be separated in a short time and decrease in motility of the separated sperm can be prevented; and an artificial insemination method, and an in vitro fertilization method. T...