US Patent Issued to MAZDA MOTOR, KOGAKUIN UNIVERSITY on April 29 for "Method of designing internal structure of foamed resin sound absorbing material, device of designing the same, and method of calculating acoustic characteristics of foamed resin sound absorbing material" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,015, issued on April 29, was assigned to MAZDA MOTOR Corp. (Hiroshima, Japan) and KOGAKUIN UNIVERSITY (Tokyo).

"Method of designing internal structure of foamed resin sound absorbing material, device of designing the same, and method of calculating acoustic characteristics of foamed resin sound absorbing material" was invented by Daiji Katsura (Hiroshima, Japan), Keisuke Yamakawa (Hiroshima, Japan) and Takashi Yamamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of designing an internal structure of a foamed resin sound absorbing material includes: setting a microscopic structure model with a structure equivalent to the internal st...