Cretin. X oxide (or anything else ~ide) isn't X.
If you'd bothered to read the link, you'd have noticed that the patent office accepted calling it "Transparent Aluminum" in multiple patents. Given that the topic involves what the Patent Office will accept, please save your pejoratives for yourself and them.
Quoting from linked summary:
Transparent aluminum oxynitride and method of manufacture RL Gentilman, EA Maguire U.S. Patent 4,520,116, 1985
Transparent aluminum oxynitride and method of manufacture RL Gentilman, EA Maguire U.S. Patent 4,720,362, 1988
Transparent aluminum oxynitride-based ceramic article JP Mathers U.S. Patent 5,231,062, 1993