ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,731, issued on Dec. 30, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Unit for cutting apparatus and cutting apparatus" was invented by Kazufumi Matsumura (Kagoshima, Japan), Takashi Arashima (Kariya, Japan), Kenji Kamei (Zhuhai, China), Yasuhiro Yamamoto (Kyoto, Japan) and Takahiro Nishimura (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a unit for a cutting apparatus, a first shaft, a second shaft, first blades and second blades individually have conductivity. A detection means includes a power source, a first wiring, a second wiring, a plurality of light emitting devices, a third wiring, and a fourth wiring. The first wiring ele...