ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,805, issued on May 6, was assigned to LEC INC. (Tokyo).

"Pulp fibrous accumulated sheet and method for producing pulp fibrous accumulated sheet" was invented by Kikuo Yamada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a pulp fibrous accumulated sheet including: a liquid permeable pulp fibrous accumulated layer containing a crushed pulp or base-fibers mainly including a crushed pulp, and a binder, and a plurality of fiber crimped parts formed by compression and pressurization, the fiber crimped parts being formed so that crushed pulp fibers each straddling the adjacent fiber crimped parts are present."

The patent was filed on J...