ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,252, issued on Oct. 27, was assigned to MITSUI KINZOKU COMPANY Ltd. (Japan).
"Sintered body" was invented by Kento Matsukura (Omuta, Japan), Yoshiaki Tazaki (Omuta, Japan) and Minami Dan (Omuta, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sintered body contains perovskite YAlO3 (YAP) as a main phase exhibited in X-ray diffractometry, and has a Vickers hardness of 11 GPa or more. In the case where the sintered body contains a composition other than YAlO3, the composition preferably substantially consists of Y3Al5O12 and Y4Al2O9. The sintered body preferably has an absolute density of 5.1 g/cm3 or more. The sintered body preferably has an o...