US Patent Issued to Sumitomo Riko on Sept. 22 for "Electrostatic transducer" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,475, issued on Sept. 22, was assigned to Sumitomo Riko Co. Ltd. (Aichi, Japan).

"Electrostatic transducer" was invented by Katsuhiko Nakano (Aichi, Japan), Shinya Tahara (Aichi, Japan) and Masaki Nasu (Aichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrostatic transducer (1) includes: a first electrical joint part (81) for electrically joining a first electrode sheet (20) and a first core wire (40a); a first insulation joint part (82) for joining an insulator sheet (10) and a first covering material (40b); a second electrical joint part (91) for electrically joining a second electrode sheet (30) and a second core wire (50a) of a s...