US Patent Issued to FUJIFILM on April 8 for "Radio wave absorber and compound" (Japanese Inventor)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,274,042, issued on April 8, was assigned to FUJIFILM Corp. (Tokyo).

"Radio wave absorber and compound" was invented by Hirokazu Hashimoto (Minamiashigara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radio wave absorber including a radio wave absorbing layer containing a magnetic powder and a binder, in which a metal layer is not provided, a filling rate of the magnetic powder in the radio wave absorbing layer is 35% by volume or less, and in a case where the filling rate of the magnetic powder in the radio wave absorbing layer is denoted by P % by volume and a thickness of the radio wave absorbing layer is denoted by Q mm, the following relat...