US Patent Issued to Daio Paper on Sept. 1 for "Toilet paper roll" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,484, issued on Sept. 1, was assigned to Daio Paper Corp. (Ehime, Japan).

"Toilet paper roll" was invented by Yoshimi Amano (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a toilet paper roll which is fit for a longer toilet paper suitable for use for toilets with washing function. The toilet paper roll includes a paper core and 2-ply toilet paper wound thereon, wherein the toilet paper roll has a roll diameter of 120 mm or smaller, a roll winding density of 0.74 to 1.30 m/cm2, and a roll density of 0.12 to 0.18 g/cm3."

The patent was filed on March 10, 2022, under Application No. 18/580,386.

*For further information, in...