US Patent Issued to Bridgestone Sports on June 2 for "Multi-piece solid golf ball" (Japanese Inventor)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,015, issued on June 2, was assigned to Bridgestone Sports Co. Ltd. (Tokyo).

"Multi-piece solid golf ball" was invented by Hideo Watanabe (Chichibushi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a multi-piece solid golf ball having a core, an intermediate layer encasing the core and a cover which encases the intermediate layer and has numerous dimples on an outside surface thereof, the intermediate layer is formed of a resin material comprising an ionomer resin as a base resin and an inorganic granular filler, the cover is formed of a urethane resin material, the core has a diameter of at least 38.0 mm, the core has specific deflection, t...