ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,333, issued on Dec. 16, was assigned to KCM Corp. (Nagoya, Japan).
"Zirconia sintered body and production method for the same" was invented by Akira Kawai (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zirconia sintered body with excellent translucency and hydrothermal degradation resistance is provided. A production method for a zirconia sintered body that is to be disclosed herein includes a process body preparing step of preparing a process body containing zirconia and yttria and/or ytterbia, in which a total proportion of the yttria and the ytterbia is 4 mol % or more and 6 mol % or less when a total of the zirconia, the yttria,...