ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,719, issued on Oct. 27, was assigned to NTN Corp. (Osaka, Japan).

"Rolling bearing cage and rolling bearing" was invented by Takumi Hayashi (Mie, Japan), Yoshihiko Matsutani (Mie, Japan) and Masaki Nakanishi (Mie, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a rolling bearing cage that is superior in heat resistance and realizes superior moldability even in a case in which the cage has a thick wall, and a rolling bearing using the cage. A cage 5 is an annular rolling bearing cage formed by injection-molding a resin composition. The rolling bearing cage 5 includes rolling elements and a plurality of pockets 6 for retaining the roll...