ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,697, issued on March 24, was assigned to KONICA MINOLTA INC. (Tokyo).

"Soft tube and method for manufacturing the same, and sheet conveying roller and method for manufacturing the same" was invented by Yoshifumi Imazu (Hachioji, Japan) and Hajime Mori (Fuchu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a soft tube of a sheet conveying portion of a sheet conveying roller, including: a region with irregularities in an outer peripheral surface of the soft tube. The region has a root mean square slope Sdq within a range of 0.03 to 0.50."

The patent was filed on Nov. 23, 2021, under Application No. 17/533,245.

*For further inform...