US Patent Issued to Sintokogio on Nov. 4 for "Processing method and processing apparatus for workpiece" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,077, issued on Nov. 4, was assigned to Sintokogio Ltd. (Nagoya, Japan).

"Processing method and processing apparatus for workpiece" was invented by Toshiya Tsuji (Nagoya, Japan) and Yuji Kobayashi (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A processing method according to one aspect incudes preparing a metal workpiece having a hole that opens to a surface thereof, filling the hole with processing media, and applying an external force to the processing media to apply a compressive residual stress to an inner surface of the hole."

The patent was filed on Nov. 3, 2022, under Application No. 17/980,060.

*For further information, inclu...