ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,627, issued on Nov. 18, was assigned to DENSO Corp. (Kariya, Japan).
"Film heater" was invented by Koutarou Fukuda (Kariya, Japan), Kouji Oota (Kariya, Japan), Syuzou Oda (Kariya, Japan), Takumi Okamoto (Kariya, Japan) and Taro Ogura (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A film heater includes a transparent conductive film and first and second electrodes. The transparent conductive film includes a heat generating portion that generates heat when energized by the first and second electrodes. An outer edge of the heat generating portion has a short side, a long side, and first and second oblique sides. The first and second elec...