US Patent Issued to Japan Aerospace Exploration Agency on Dec. 16 for "Pressure fluctuation absorbing structure" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,499,861, issued on Dec. 16, was assigned to Japan Aerospace Exploration Agency (Tokyo).

"Pressure fluctuation absorbing structure" was invented by Tatsuya Ishii (Tokyo), Hideshi Oinuma (Tokyo), Kenichiro Nagai (Tokyo), Shunji Enomoto (Tokyo) and Junichi Oki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure fluctuation absorbing structure includes: a perforated member including a plurality of holes for absorbing pressure fluctuation on a surface thereof; and a partition member disposed on the surface of the perforated member and including a partition wall that partitions the plurality of holes in units of a predetermined number of one or m...