US Patent Issued to FUJIFILM on May 20 for "Radio wave absorbing composition and radio wave absorber" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,523, issued on May 20, was assigned to FUJIFILM Corp. (Tokyo).

"Radio wave absorbing composition and radio wave absorber" was invented by Yoshihiro Nakai (Minami-ashigara, Japan) and Hirokazu Hashimoto (Minami-ashigara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a radio wave absorbing composition containing a magnetic powder and a binder. There is also provided a radio wave absorber containing a magnetic powder and a binder. The magnetic powder is a powder of a substitution-type hexagonal ferrite subjected to surface treatment with a surface treatment agent, the surface treatment agent is a silicon-based compound, and the...