ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,149, issued on Dec. 9, was assigned to Niterra Co. Ltd. (Nagoya, Japan).
"Ceramic sintered body and plasma-generating electrode" was invented by Tsuneyuki Ito (Nagoya, Japan), Shinji Ban (Nagoya, Japan), Osamu Yoshimoto (Nagoya, Japan) and Tomoo Tanaka (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ceramic sintered body contains a first particular element consisting of five or six elements selected from among titanium (Ti), vanadium (V), zirconium (Zr), niobium (Nb), molybdenum (Mo), hafnium (Hf), tantalum (Ta), and tungsten (W); a second particular element consisting of one element selected from yttrium (Y) and aluminum (Al); and el...