US Patent Issued to ASUKANET on Sept. 30 for "Method for manufacturing aerial image formation device, and aerial image formation device" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,708, issued on Sept. 30, was assigned to ASUKANET COMPANY LTD. (Hiroshima, Japan).

"Method for manufacturing aerial image formation device, and aerial image formation device" was invented by Makoto Otsubo (Hiroshima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aerial image formation device 10 comprising two light control panels 28 each including a molding 21 being produced by using a transparent resin, the molding 21 including, on one surface side thereof, a plurality of straight grooves 18 disposed in parallel at a predetermined interval. The straight grooves 18 each have a trapezoidal cross section and expand on the one surface side o...