ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,889, issued on May 20, was assigned to Tachibana-Technos Co. Ltd. (Osaka, Japan).
"Sheet heater" was invented by Masahiro Asakura (Osaka, Japan) and Toshiyuki Nishino (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sheet heater (10) includes: a heat-insulating base material (1); a metal-coated base material (3) arranged on the heat-insulating base material; a cord-like heating element (5) arranged on a side closer to the metal-coated base material with respect to the heat-insulating base material; and a black thermal fusion layer (4) arranged adjacent to the cord-like heating element."
The patent was filed on Dec. 9, 2022, under Appl...